Torques for fasteners (6.6) .................................. 27
Trouble-shooting (see 7)...................................... 37
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
1 INTRODUCTION AND SAFETY
1.1 General
These instructions must always be kept
close to the product's operating location or
directly with the product.
Flowserve products are designed, developed and
manufactured with state-of-the-art technologies in
modern facilities. The unit is produced with great
care and commitment to continuous quality control,
utilising sophisticated quality techniques and safety
requirements.
Flowserve is committed to continuous quality
improvement and being at service for any further
information about the product in its installation and
operation or about its support products, repair and
diagnostic services.
These instructions are intended to facilitate
familiarization with the product and its permitted use.
Operating the product in compliance with these
instructions is important to help ensure reliability in
service and avoid risks. The instructions may not
take into account local regulations; ensure such
regulations are observed by all, including those
installing the product. Always coordinate repair
activity with operations personnel, and follow all plant
safety requirements and applicable safety and health
laws/regulations.
These instructions must be read prior to
installing, operating, using and maintaining the
equipment in any region worldwide. The
equipment must not be put into service until all
the conditions relating to safety noted in the
instructions, have been met. Failure to follow and
apply the present user instructions is considered
to be misuse. Personal injury, product damage,
delay or failure caused by misuse are not covered
by the Flowserve warranty.
1.2 CE marking and approvals
It is a legal requirement that machinery and equipment
put into service within certain regions of the world shall
conform with the applicable CE Marking Directives
covering Machinery and, where applicable, Low Voltage
Equipment, Electromagnetic Compatibility (EMC),
Pressure Equipment Directive (PED) and Equipment for
Potentially Explosive Atmospheres (ATEX).
Where applicable, the Directives and any additional
Approvals, cover important safety aspects relating to
machinery and equipment and the satisfactory provision
of technical documents and safety instructions. Where
applicable this document incorporates information
relevant to these Directives and Approvals. To confirm
the Approvals applying and if the product is CE marked,
check the serial number plate markings and the
Certification. (See section 9, Certification.)
1.3 Disclaimer
Information in these User Instructions is believed
to be reliable. In spite of all the efforts of
Flowserve Corporation to provide sound and all
necessary information the content of this manual
may appear insufficient and is not guaranteed by
Flowserve as to its completeness or accuracy.
Flowserve manufactures products to exacting
International Quality Management System Standards
as certified and audited by external Quality
Assurance organisations. Genuine parts and
accessories have been designed, tested and
incorporated into the products to help ensure their
continued product quality and performance in use.
As Flowserve cannot test parts and accessories
sourced from other vendors the incorrect
incorporation of such parts and accessories may
adversely affect the performance and safety features
of the products. The failure to properly select, install
or use authorised Flowserve parts and accessories is
considered to be misuse. Damage or failure caused
by misuse is not covered by the Flowserve warranty.
In addition, any modification of Flowserve products or
removal of original components may impair the safety
of these products in their use.
1.4 Copyright
All rights reserved. No part of these instructions may
be reproduced, stored in a retrieval system or
transmitted in any form or by any means without prior
permission of Flowserve Pump Division.
1.5 Duty conditions
This product has been selected to meet the
specifications of your purchaser order. The
acknowledgement of these conditions has been sent
separately to the Purchaser. A copy should be kept
with these instructions.
The product must not be operated beyond
the parameters specified for the application.
If there is any doubt as to the suitability of the
product for the application intended, contact
Flowserve for advice, quoting the serial number.
If the conditions of service on your purchase order are
going to be changed (for example liquid pumped,
Page 4 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
temperature or duty) it is requested that the user seeks
the written agreement of Flowserve before start up.
1.6 Safety
1.6.1 Summary of safety markings
These User Instructions contain specific safety
markings where non-observance of an instruction would
cause hazards. The specific safety markings are:
This symbol indicates electrical safety
instructions where non-compliance will involve a high
risk to personal safety or the loss of life.
This symbol indicates safety instructions where
non-compliance would affect personal safety and could
result in loss of life.
This symbol indicates “hazardous and toxic fluid”
safety instructions where non-compliance would affect
personal safety and could result in loss of life.
This symbol indicates safety instructions
where non-compliance will involve some risk to safe
operation and personal safety and would damage the
equipment or property.
This symbol indicates explosive atmosphere zone
marking according to ATEX. It is used in safety
instructions where non-compliance in the hazardous
area would cause the risk of an explosion.
This symbol is used in safety instructions to
remind not to rub non-metallic surfaces with a dry
cloth; ensure the cloth is damp. It is used in safety
instructions where non-compliance in the hazardous
area would cause the risk of an explosion.
This sign is not a safety symbol but indicates
an important instruction in the assembly process.
1.6.2 Personnel qualification and training
All personnel involved in the operation, installation,
inspection and maintenance of the unit must be
qualified to carry out the work involved. If the personnel
in question do not already possess the necessary
knowledge and skill, appropriate training and instruction
must be provided. If required the operator may
commission the manufacturer/supplier to provide
applicable training.
Always coordinate repair activity with operations and
health and safety personnel, and follow all plant
safety requirements and applicable safety and health
laws and regulations.
1.6.3 Safety action
This is a summary of conditions and actions to help
prevent injury to personnel and damage to the
environment and to equipment. For prod ucts used
in potentially explosive atmosphere s section 1.6.4
also applies.
NEVER DO MAINTENANCE WORK
WHEN THE UNIT IS CONNECTED TO POWER
GUARDS MUST NOT BE REMOVED WHILE
THE PUMP IS OPERATIONAL
DRAIN THE PUMP AND ISOLATE PIPEWORK
BEFORE DISMANTLING THE PUMP
The appropriate safety precautions should be taken
where the pumped liquids are hazardous.
FLUORO-ELASTOMERS (When fitted.)
When a pump has experienced temperatures over
250 ºC (482 ºF), partial decomposition of fluoroelastomers (example: Viton) will occur. In this
condition these are extremely dangerous and skin
contact must be avoided.
HANDLING COMPONENTS
Many precision parts have sharp corners and the
wearing of appropriate safety gloves and equipment
is required when handling these components. To lift
pieces that cannot be comfortably lifted by hand use
a crane appropriate for the mass and in accordance
with current local regulations.
THERMAL SHOCK
Rapid changes in the temperature of the liquid within
the pump can cause thermal shock, which can result
in damage or breakage of components and should be
avoided.
NEVER APPLY HEAT TO REMOVE IMPELLER
Trapped lubricant or vapour could cause an explosion.
HOT (and cold) PARTS
If hot or freezing components or auxiliary heating
supplies can present a danger to operators and
persons entering the immediate area action must be
taken to avoid accidental contact. If complete
protection is not possible, the machine access must
be limited to maintenance staff only, with clear visual
warnings and indicators to those entering the
immediate area. Note: bearing housings must not be
insulated and drive motors and bearings may be hot.
If the temperature is greater than 80 ºC (176 ºF) or
below -5 ºC (23 ºF) in a restricted zone, or exceeds
local regulations, action as above shall be taken.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
HAZARDOUS LIQUIDS
When the pump is handling hazardous liquids care
must be taken to avoid exposure to the liquid by
appropriate siting of the pump, limiting personnel
access and by operator training. If the liquid is
flammable and or explosive, strict safety procedures
must be applied.
Gland packing must not be used when pumping
hazardous liquids.
PREVENT EXCESSIVE EXTERNAL
PIPE LOAD
Do not use pump as a support for piping. Do not mount
expansion joints, so that their force, due to internal
pressure, acts on the pump flange, unless allowed by
Flowserve in writing.
NEVER RUN THE PUMP DRY
ENSURE CORRECT LUBRICATION
(See section 5, Commissioning, startup, operation and shutdown.)
ONLY CHECK DIRECTION OF
MOTOR ROTATION WITH COUPLING ELEMENT/
PINS REMOVED
Starting in reverse direction of rotation will damage the
pump.
START THE PUMP WITH OUTLET
VALVE PART OPENED
(Unless otherwise instructed at a specific point in the
User Instructions.)
This is recommended to minimize the risk of
overloading and damaging the pump or motor at full or
zero flow. Pumps may be started with the valve further
open only on installations where this situation cannot
occur. The pump outlet control valve may need to be
adjusted to comply with the duty following the run-up
process. (See section 5, Commissioning start-up, operation and shutdown.)
INLET VALVES TO BE FULLY OPEN
WHEN PUMP IS RUNNING
Running the pump at zero flow or below the
recommended minimum flow continuously will cause
damage to the pump and mechanical seal.
DO NOT RUN THE PUMP AT
ABNORMALLY HIGH OR LOW FLOW RATES
Operating at a flow rate higher than normal or at a flow
rate with no back pressure on the pump may overload
the motor and cause cavitation. Low flow rates may
cause a reduction in pump/bearing life, overheating of
the pump, instability and cavitation/vibration.
1.6.4 Products used in potentially explosive
atmospheres
Measures are required to:
Avoid excess temperature
Prevent build up of explosive mixtures
Prevent the generation of sparks
Prevent leakages
Maintain the pump to avoid hazard
The following instructions for pumps and pump units
when installed in potentially explosive atmospheres
must be followed to help ensure explosion protection.
For ATEX both electrical and non-electrical equipment
must meet the requirements of European Directive
94/9/EC. Always observe the regional legal Ex
requirements e.g. Ex electrical items outside the EU
may be required Certified to other than ATEX e.g.
IECEx, UL.
1.6.4.1 Scope of compliance
Use equipment only in the zone for which it is
appropriate. Always check that the driver, drive
coupling assembly, seal and pump equipment are
suitably rated and/or certified for the classification of the
specific atmosphere in which they are to be installed.
Where Flowserve has supplied only the bare shaft
pump, the Ex rating applies only to the pump. The party
responsible for assembling the ATEX pump set shall
select the coupling, driver and any additional
equipment, with the necessary CE Certificate/
Declaration of Conformity establishing it is suitable for
the area in which it is to be installed.
The output from a variable frequency (speed) drive
(VFD) can cause additional heating effects in the
motor and so, for pumps sets with a VFD, the ATEX
Certification for the motor must state that it is covers
the situation where electrical supply is from the VFD.
This particular requirement still applies even if the
VFD is in a safe area.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
1.6.4.2 Marking
An example of ATEX equipment marking is shown
below. The actual classification of the pump will be
engraved on the nameplate.
II 2 GD c IIC 135 ºC (T4)
Equipment Group
I = Mining
II = Non-mining
Category
2 or M2 = high level protection
3 = normal level of protection
Maximum surface temperature (Temperature Class)
(see section 1.6.4.3.)
1.6.4.3 Avoiding excessive surface
temperatures
ENSURE THE EQUIPMENT TEMPERATURE
CLASS IS SUITABLE FOR THE HAZARD ZONE
Pumps have a temperature class as stated in the
ATEX Ex rating on the nameplate. These are based
on a maximum ambient of 40 ºC (104 ºF); refer to
Flowserve for higher ambient temperatures.
The surface temperature on the pump is influenced
by the temperature of the liquid handled. The
maximum permissible liquid temperature depends on
the temperature class and must not exceed the
values in the table that follows.
The temperature rise at the seals and bearings and
due to the minimum permitted flow rate is taken into
account in the temperatures stated.
Temperature
class to
EN13463-1
T6
T5
T4
T3
T2
T1
Maximum
surface
temperature
permitted
85 °C (185 °F)
100 °C (212 °F)
135 °C (275 °F)
200 °C (392 °F)
300 °C (572 °F)
450 °C (842 °F)
Temperature limit of liquid
handled (* depending on
material and construction
variant - check which is lower)
Consult Flowserve
Consult Flowserve
115 °C (239 °F) *
180 °C (356 °F) *
275 °C (527 °F) *
400 °C (752 °F) *
The responsibility for compliance with the
specified maximum liquid temperature is with the
plant operator.
Temperature classification “Tx” is used when the liquid
temperature varies and when the pump is required to be
used in differently classified potentially explosive
atmospheres. In this case the user is responsible for
ensuring that the pump surface temperature does not
exceed that permitted in its actual installed location.
Do not attempt to check the direction of rotation with the
coupling element/pins fitted due to the risk of severe
contact between rotating and stationary components.
Where there is any risk of the pump being run against a
closed valve generating high liquid and casing external
surface temperatures it is recommended that users fit
an external surface temperature protection device.
Avoid mechanical, hydraulic or electrical overload by
using motor overload trips, temperature monitor or a
power monitor and make routine vibration monitoring
checks.
In dirty or dusty environments, regular checks must
be made and dirt removed from areas around close
clearances, bearing housings and motors.
1.6.4.4 Preventing the build up of explosive
mixtures
ENSURE THE PUMP IS PROPERLY FILLED
AND VENTED AND DOES NOT RUN DRY
Ensure the pump and relevant suction and discharge
pipeline system is totally filled with liquid at all times
during the pump operation, so that an explosive
atmosphere is prevented. In addition it is essential to
make sure that seal chambers, auxiliary shaft seal
systems and any heating and cooling systems are
properly filled.
If the operation of the system cannot avoid this
condition the fitting of an appropriate dry run
protection device is recommended (for example liquid
detection or a power monitor).
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
To avoid potential hazards from fugitive emissions of
vapour or gas to atmosphere the surrounding area
must be well ventilated.
1.6.4.5 Preventing sparks
To prevent a potential hazard from mechanical
contact, the coupling guard must be non-sparking.
To avoid the potential hazard from random induced
current generating a spark, the earth contact on the
baseplate must be used.
Avoid electrostatic charge: do not rub non-metallic
surfaces with a dry cloth; ensure cloth is damp.
For ATEX the coupling must be selected to comply
with 94/9/EC. Correct alignment must be maintained.
Additional requirement for metallic pumps on
non-metallic baseplates
When metallic components are fitted on a nonmetallic baseplate they must be individually earthed.
1.6.4.6 Preventing leakage
To avoid potential explosion hazards during
maintenance, the tools, cleaning and painting
materials used must not give rise to sparking or
adversely affect the ambient conditions. Where there
is a risk from such tools or materials, maintenance
must be conducted in a safe area.
It is recommended that a maintenance plan and
schedule is adopted. (See section 6, Maintenance.)
1.7 Nameplate and safety labels
1.7.1 Nameplate
The following nameplate will be found on the bearing
housing [3200] of the pump.
The pump must only be used to handle liquids
for which it has been approved to have the correct
corrosion resistance.
Avoid entrapment of liquid in the pump and associated
piping due to closing of suction and discharge valves,
which could cause dangerous excessive pressures to
occur if there is heat input to the liquid. This can occur if
the pump is stationary or running.
Bursting of liquid containing parts due to freezing
must be avoided by draining or protecting the pump
and ancillary systems.
Where there is the potential hazard of a loss of a seal
barrier fluid or external flush, the fluid must be monitored.
If leakage of liquid to atmosphere can result in a
hazard, the installation of a liquid detection device is
recommended.
1.6.4.7 Maintenance to avoid the hazard
CORRECT MAINTENANCE IS REQUIRED TO
AVOID POTENTIAL HAZARDS WHICH GIVE A
RISK OF EXPLOSION
The responsibility for compliance with maintenance
instructions is with the plant operator.
1.7.2 Safety labels
The pump will be supplied with all relevant safety
labels that are required for the safe operation of the
pump.
1.8 Specific machine performance
For performance parameters see section 1.5, Duty
conditions. Where performance data has been supplied
separately to the purchaser these should be obtained
and retained with these User Instructions if required.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
1.9 Noise level
Attention must be given to the exposure of personnel
to the noise, and local legislation will define when
guidance to personnel on noise limitation is required,
and when noise exposure reduction is mandatory.
This is typically 80 to 85 dBA.
The usual approach is to control the exposure time to
the noise or to enclose the machine to reduce emitted
sound. You may have already specified a limiting
noise level when the equipment was ordered,
however if no noise requirements were defined, then
attention is drawn to the following table to give an
indication of equipment noise level so that you can
take the appropriate action in your plant.
Pump noise level is dependent on a number of
operational factors, flow rate, pipework design and
acoustic characteristics of the building, and so the
values given are subject to a 3 dBA tolerance and
cannot be guaranteed.
Similarly the motor noise assumed in the “pump and
motor” noise is that typically expected from standard
and high efficiency motors when on load directly driving
the pump. Note that a motor driven by an inverter may
show an increased noise at some speeds.
If a pump unit only has been purchased for fitting with
your own driver then the “pump only” noise levels in the
table should be combined with the level for the driver
obtained from the supplier. Consult Flowserve or a
noise specialist if assistance is required in combining
the values.
It is recommended that where exposure approaches
the prescribed limit, then site noise measurements
should be made.
The values are in sound pressure level L
(3.3 ft) from the machine, for “free field conditions
over a reflecting plane”.
For estimating sound power level L
WA
add 14 dBA to the sound pressure value.
at 1 m
pA
(re 1 pW) then
Typical sound pressure level LpA at 1 m
Motor size
and speed
kW (hp)
30 (40) 79 83 79 83
37 (50) 80 83 80 83
45 (60) 81 85 81 85
55 (75) 82 85 82 85
75 (100) 84 87 84 87
90 (120) 84 87 84 87
110 (150) 85 90 85 90
132 (180) 85 90 85 90
150 (200) 86 90 86 90
185 (250) 86 90 86 90
200 (270) 87 90 87 90
315 (420) 87 90 87 90
400 (535) 89 92 89 92
475 (635) 89 92 89 92
630 (845) 91 92 91 92
800 (1070) 92 93 92 93
1000 (1340) 93 93 93 93
1120 (1500) 93 93 93 93
1250 (1675) 94 94 94 94
1500 (2000) 95 95 95 95
1700 (2280) 95 95 95 95
1800 (2400) 96 96 96 96
2000 (2680) 96 96 96 96
Pump
reference 20 μPa, dBA
3 550 r/min 2 900 r/min
only
Pump
and
motor
Pump
only
Pump
and
motor
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
2 TRANSPORT AND STORAGE
2.1 Consignment receipt and unpacking
Immediately after receipt of the equipment it must be
checked against the delivery/shipping documents for
its completeness and that there has been no damage
in transportation. Any shortage and/or damage must
be reported immediately to Flowserve Pump Division
and must be received in writing within one month of
receipt of the equipment. Later claims cannot be
accepted.
Check any crate, boxes or wrappings for any
accessories or spare parts that may be packed
separately with the equipment or attached to side
walls of the box or equipment.
Each product has a unique serial number. Check that
this number corresponds with that advised and
always quote this number in correspondence as well
as when ordering spare parts or further accessories.
2.2 Handling
Boxes, crates, pallets or cartons may be unloaded
using fork lift vehicles or slings dependent on their
size and construction.
2.3 Lifting
A crane must be used for all pump sets.. Fully
trained personnel must carry out lifting, in accordance
with local regulations.
Slings, ropes and other lifting gear should be
positioned where they cannot slip and where a
balanced lift is obtained.
2.3.1 Bare pump
The bare pump should be lifted by the lifting eye as
shown:
Before lifting the driver alone, refer to the
manufacturer’s instructions.
2.4 Storage
Store the pump in a clean, dry location
away from vibration. Leave piping connection covers
in place to keep dirt and other foreign material out of
pump casing. Turn pump at intervals to prevent
brinelling of the bearings and the seal faces, if fitted,
from sticking.
The pump may be stored as above for up to 6
months. Consult Flowserve for preservative actions
when a longer storage period is needed.
2.5 Recycling and end of product life
At the end of the service life of the product or its
parts, the relevant materials and parts should be
recycled or disposed of using an environmentally
acceptable method and local requirements. If the
product contains substances that are harmful to the
environment, these should be removed and disposed
of in accordance with current regulations. This also
includes the liquids and/or gases that may be used in
the "seal system" or other utilities.
Make sure that hazardous substances are
disposed of safely and that the correct personal
protective equipment is used. The safety
specifications must be in accordance with the current
regulations at all times.
Page 10 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
3 DESCRIPTION
3.1 Configurations
The BP type barrel pump is a process pump that is
operated under high pressure/high temperature
processing conditions. The casing consists of an
outer casing (casing barrel) and an inner casing
(diffusers). As the suction and discharge nozzle are
made of forged carbon steel and integral with the
casing by welding, the pump is able to be dismantled
and reassembled without disturbing suction and
discharge piping.
3.2 Name nomenclature
The pump size will be engraved on the nameplate
typically as below:
6BP-1411S
“6” = Nominal discharge size in inches
“BP” = Pump Designation
”14” = Nominal Impeller size in inches
“11” = Number of Stages, 4-14
“S” = Special Impeller Design
3.2.1 Discharge sizes
2, 3, 4, 6, and 8 Inches
3.2.2 Pump Designations
BP= Single Suction Impeller
BPD= Double Suction Impeller
3.2.3 Impeller sizes
8, 9, 10, 11, 12, 14, and 18 Inches
3.3 Design of major parts
Refer to Section 8 for sectional drawings.
3.3.1 Outer Casing(Casing Barrel)
A carbon controlled forged steel is used for the outer
casing. The outer casing is supported at the
horizontal centreline of the pump to minimize
coupling misalignment. The barrel is designed as a
whole to reduce any stress concentration by applying
FEM analysis for the optimum design.
3.3.2 Inner Casing(Diffuser, Inner Element)
Inner casing consists of stage pieces (1460.1-3) and
diffusers (1411, 1412, 1413). The inner casing is
designed for easy disassembling and assembling
since the diffusers and stage pieces are in one
integrated configuration. Each diffuser is mounted
with a shrink fit and a dowel pin to prevent the
rotation of the diffuser. The entire inner
element(diffuser) is pushed and secured axially
against the shoulder of the casing barrel with a
circular element spring(4260) located between last
stage piece and discharge head due to high
discharge pressure generated during pump
operation. The entire inner element is also prevented
from rotating by a dowel pin located between last
stage diffuser and discharge head. The inner
assembly expands and contracts freely due to
temperature variations without introducing thermal
stress in any of the pump parts. Self-flushing liquid for
mechanical seals is extracted from liquid in the first
stage piece through the flow passage drilled in the
first stage and the casing barrel.
3.3.3 Impellers and Wearing rings
Impellers are of the single suction closed type. They
are dynamically balanced individually and keyed to
the shaft. They are also secured on the shaft in
position with a spilt ring and a Spirolox ring, if
required. The first stage impeller is usually designed
with a lager inlet to reduce N.P.S.H requirements.
The diffuser rings are made of hardened chrome
steel. Each ring is pressed into its diffuser. If required,
replaceable impeller wearing rings can be furnished.
3.3.4 Shaft
The shaft is grooved to accommodate the split rings,
spirolox rings, if required, and a thrust ring for
positioning impellers and balancing drum.
3.3.5 Balancing Drum
The pump is hydraulically balanced by a balancing
drum and balancing ring. The balancing drum is
secured against axial movement by a thrust ring and
against rotational movement by keys.
3.3.6 Discharge Head
The discharge head is subjected to the full discharge
pressure of the pump. It is made of a forged carbon
steel using a Spiral Wound GASKET as the high
pressure seal. The discharge head contains the
balancing ring and supports the outboard stuffing box
and thrust end bearing housing.
3.3.7 Stuffing Box and Suction Head
Outboard stuffing box and inboard suction head are
fixed to the discharge head and the casing barrel
respectively with casing studs and nuts. Both of them
have cooling water chambers or steam jackets and
are supplied with the mechanical seals suitable for
the conditions of service. For details about the
installed mechanical seals, refer to manufacturer’s
instructions at the appendix.
Page 11 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
3.3.8 Bearings
The BP pump is equipped with heavy duty, externally
mounted antifriction bearings or with babbitted sleeve
and Kingsbury type thrust bearing depending on size
of pump and application.
In the case of the anti-friction bearing, the outboard or
thrust bearing is a double row, angular contact ball
bearings mounted back to back. It has a shrink fit on
the shaft and is secured axially with a bearing nut and
lock-washer. The outer races are contained between
a shoulder in the bearing housing and a spigot on the
thrust bearing cover to prevent end movement. All
expansion due to heat is directed away from the
thrust bearing. The lubricating oil reservoir is watercooled.
The inboard or line bearing also has a shrink fit on
the shaft and is of the single row anti-friction type.
Clearance in the bearing housing allows the outer
race to move axially to prevent shaft bending or
binding of internal parts as a result of axial shaft
expansion due to heat. Slight rotation of the outer
race in the housing is actually beneficial in extending
bearing life should it occur. All rotor expansion due to
heat occurs away from the thrust bearing (toward the
driver).
In the thrust and line bearing housing, positive
circulation of lubricating oil is assured by the oil
flinger and the trough on the inside of the bearing
housing. Proper oil level in the oil reservoir is
maintained by the constant level oiler.
For the sleeve-Kingsbury arrangement, the sleeve
bearings used are the thin wall automotive type. The
Kingsbury bearing is a JHJ double six shoe self
equalizing type.
3.3.9 Couplings
An all-metal flexible coupling of the spacer type is
standard for connecting pump and driver shafts on all
sizes of BP or WCH pumps. This coupling permits
dismantling the pump without disturbing the driver
and casing barrel. For operating instruction and
maintenance of coupling, if supplied. refer to the
manufacturer’s instruction in the appendix.
3.3.10 Accessories
Accessories may be fitted when specified by the
customer.
3.4 Performance and operating limits
This product has been selected to meet the
specifications of the purchase order. See section 1.5.
The following data is included as additional
information to help with your installation. It is typical,
and factors such as temperature, materials, and seal
type may influence this data. If required, a definitive
statement for your particular application can be
obtained from Flowserve.
3.4.1 Operating limits
Maximum operating temperature: 425°C (820°F)
Maximum pump speed: 6000rpm
Maximum operating pressure: 29 MPa (4260 psi)
Page 12 of 44 flowserve.com
Notes:
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
Page 13 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
4 INSTALLATION
Equipment operated in hazardous locations
must comply with the relevant explosion protection
regulations. See section 1.6.4, Products used in
potentially explosive atmospheres.
4.1 Location
The pump should be placed so that it is easily
accessible for inspection during operation while
giving due attention to the desirability of simplifying
the suction and discharge piping layout.
There should be ample place to allow the use of an
overhead crane or other lifting device with sufficient
capacity to lift the heavy parts of the unit. Refer to the
general arrangement drawing for the pump set.
4.2 Part assemblies
On baseplated pump sets the coupling elements are
supplied loose. It is the responsibility of the installer
to ensure that the pump set is finally lined up as
detailed in section 4.5.2, Alignment methods.
4.3 Foundation
4.4 Grouting
Grouting provides solid contact between the pump unit
and foundation, prevents lateral movement of vibrating
equipment and dampens resonant vibrations.
4.4.1 Foundation Preparation
a) Chip the surface of the foundation by about 10 to
20 mm (0.40 to 0.80 in). The surface of
foundation will be reasonably rough but not so
rough as to interfere with proper placing of the
grout.
b) Construct mortar beds in order to install the
parallel liners as shown on Fig. 4-3. For the
position of parallel liners see Fig. 4-1 and Fig. 4-
2.
Anchor bolt
Liner Base plate
Levering point
Levering point
There are many methods of installing
pump units to their foundations. The correct method
depends on the size of the pump unit, its location and
noise and vibration limitations. Non-compliance with
the provision of correct foundation and installation
may lead to failure of the pump and, as such, would
be outside the terms of the warranty.
Ensure the following are met:
a) The baseplate should be mounted onto a firm
foundation, either an appropriate thickness of
quality concrete or sturdy steel framework. It
should NOT be distorted or pulled down onto the
surface of the foundation, but should be
supported to maintain the original alignment.
b) Install the baseplate onto packing pieces evenly
spaced and adjacent to foundation bolts.
c) Level with shims between baseplate and packing
pieces.
d) The pump and driver have been aligned before
dispatch however the alignment of pump and motor
half coupling must be checked. If this is incorrect, it
indicates that the baseplate has become twisted
and should be corrected by re-shimming.
e) If not supplied, guarding shall be fitted as necessary
to meet the requirements of ISO 12100 and EN953.
Foundation
Fig. 4-1
30-50mm (1.25-2in)
Parallel liners
Base plate
Taper liners
Foundation
Fig. 4-2
c) Install the parallel liners on the mortar beds,
close to the anchor bolt holes as shown on Fig.
4-3. And adjust the level of parallel liners before
the mortar has solidified.
Page 14 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
50-70mm
(2-2.75in)
Anchor bolt
≈50mm (2in)
Liner Liner
Mortar
50-70mm
(2-2.75in)
Fig. 4-3
d) After the mortar has solidified, locate the other
necessary parallel liners and the taper liners on
the parallel liners that have been already
installed.
e) Install the base plate on the liners. Adjust the
position and height of base plate.
f) Perform the levelling of base plate by adjusting
the taper liners under the base plate. Place the
spirit level on the machined surface of the base
plate(pump and driver mounting pads), or on the
discharge flange to level in the direction of pump
shaft and in the right angle direction of it. The
maximum level tolerance shall be 0.2 mm per
metre (0.0025 in. per ft).
g) Tighten the anchor bolts firmly. Re-check the
levelling of plate and adjust it if necessary.
h) Disconnect the coupling halves by removing the
coupling bolts. Then remove the coupling
spacer, carry out the preliminary alignment
between the pump and driver in accordance with
Section 4.5 “Initial Alignment”
Coupling bolts must be left out of the
coupling until a final alignment check has been made.
4.4.2 Mortar Pour
Carry out the grouting as follows.
a) The typical mixture for grouting in a pump base
plate is composed of one part pure portland
cement and two parts building sand with
sufficient water to cause the mixture to flow freely
under the base plate.
b) After alignment work, spot-weld to the taper liners
and parallel liners.
c) Build the wooden form around the outside of the
base plate to contain the grout.
d) Well-saturate with water on the top of the chipped
concrete foundation.
e) Pour mortar through the grout holes on the base
plate and fill the inside of the base plate. Use a
stiff wire to work the grout and release air
pockets.
f) Cover the exposed surfaces with wet burlap
which causes slow drying and prevents cracking.
g) Remove the wooden form and smooth the
exposed surfaces.
h) It takes several days mortar to solidify
completely, although it depends upon ambient
temperature, humidity and mortar composition.
i) Connect the suction and discharge pipes to the
pump nozzles. Adjust the pipes so that they do
not transmit excessive piping force to the pump.
j) Re-check the alignment after the pipes have
been connected and realign if necessary.
k) Install the coupling spacer and tighten the
coupling bolts.
In general, it is not necessary to align by giving a
centre difference between pump and driver shafts, in
even high temperature service. However, it is
desirable to check the alignment at hot condition
immediately after initial operation at actual pumping
liquid and temperature has completed.
If a centre difference of more than 0.15 mm (0.003in)
has been admitted as the result of above check,
compensation should be made for change between
centres of pump and driver shafts.
Then, in case that comparative, high vibration on
pump or driver is admitted during operation, carry out
re-alignment at hot condition immediately after the
pump stopped, at first.
4.5 Initial alignment
4.5.1 Thermal expansion
The pump and motor will normally
have to be aligned at ambient temperature with an
allowance for thermal expansion at operating
temperature. In pump installations involving high
liquid temperatures, the unit should be run at the
actual operating temperature, shut down and the
alignment checked immediately.
4.5.2 Alignment methods
Pump and driver must be isolated
electrically and the half couplings disconnected.
The alignment MUST be checked with
a dial indicator.
Although the pump will have been aligned at the factory
it is most likely that this alignment will have been
disturbed during transportation or handling. If
necessary, align the motor to the pump, not the pump to
the motor.
Alignment is achieved by adding or removing shims
under the motor feet and also moving the motor
Page 15 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
horizontally as required. In some cases where the
alignment cannot be achieved it will be necessary to
move the pump before recommencing the above
procedure.
Proceed as follows.
a) Disconnect the coupling halves by removing the
coupling bolts. Then remove the coupling spacer.
b) Check the distance between the coupling halves (or
pump shafts and driver shaft) against the
dimensions shown on the outline drawing supplied.
For any necessary adjustment, move the driver.
Use the adjusting bolts of base plate at the driver
side, if provided
Drive side
c) Mount the dial indicators, as shown on Fig. 4-4,
ensuring the bracket is rigid and long enough to
extend across the space between the coupling
hubs, on the driver side coupling.
d) Rest the dial indicator’ probe on the outer
diameter of the pump side coupling as shown on
Fig. 4-4. Rotate the driver shaft by hand and take
reading of dial indicator at every quarter turn to
check parallel alignment.
e) Next, after rotating the pump shaft by 180°turn,
rotate the driver shaft and take reading of dial
indicator at every quarter turn again, and take the
average of 1st and 2nd readings.
f) Move the driver by using the adjusting bolts or
shim under the driver feet until parallel readings
are within 0.05 mm (0.002 in).
g) Rest the dial indicator probe, on the coupling face
as shown on Fig. 4-4 for angular alignment.
Rotate the driver shaft and take reading of dial
indicator in accordance with the same method as
the parallel alignment.
h) Adjust the driver side until both parallel and
angular readings are within 0.05 mm.
i) After the coupling has been accurately aligned,
install the coupling spacer and tighten the
coupling bolts.
Permissible misalignment limits at working temperature:
Measured by vernier calliper
“L”
Fig. 4-4
Jig
Dial Gauge
Parallel alignment
- 0.05 mm (0.002 in.) TIR maximum
Angular alignment
- 0.05 mm (0.002 in.) per 305 mm (12 in) TIR
maximum
When checking parallel alignment, the total indicator
read-out (TIR) shown is twice the value of the actual
shaft displacement.
Complete piping as below and see sections 4.7,
Final shaft alignment check up to and including section
5, Commissioning, start-up, operation and shutdown,
before connecting driver and checking actual rotation.
4.6 Piping
Protective covers are fitted to the pipe
connections to prevent foreign bodies entering during
transportation and installation. Ensure that these
covers are removed from the pump before connecting
any pipes.
4.6.1 Suction and discharge pipework
Never use pump as a support for piping.
Maximum forces and moments allowed on the pump
flanges vary with the pump size and type. To
minimize these forces and moments that may, if
excessive, cause misalignment, hot bearings, worn
couplings, vibration and the possible failure of the
pump casing, the following points should be strictly
followed:
Prevent excessive external pipe load
Never draw piping into place by applying force to
pump flange connections
Do not mount expansion joints so that their force, due
to internal pressure, acts on the pump flange
Ensure piping and fittings are flushed
before use.
Ensure piping for hazardous liquids is arranged
to allow pump flushing before removal of the pump.
Take into account the available NPSH which must be
higher than the required NPSH of the pump.
In order to minimize friction losses and hydraulic
noise in the pipework it is good practice to choose
pipework that is one or two sizes larger than the
pump suction and discharge. Typically main
pipework velocities should not exceed 2 m/s (6 ft/sec)
suction and 3 m/s (9 ft/sec) on the discharge.
Page 16 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
4.6.2 Suction piping
a) The inlet pipe should be one or two sizes larger
than the pump inlet bore and pipe bends should
be as large a radius as possible.
b) On suction lift the piping should be inclined up
towards the pump inlet with eccentric reducers
incorporated to prevent air locks.
c) On positive suction, the inlet piping must have a
constant fall towards the pump.
d) The pipe next to the pump should be the same
diameter as the pump suction and have a minimum
of two pipe diameters of straight section between
the elbow and the pump inlet flange. Where the
NPSH margin is not large, it is recommended that
the pipe straight is 5 to 10 pipe diameter. (See
section 10.3, Reference 1.) Inlet strainers, when
used, should have a net 'free area' of at least three
times the inlet pipe area.
e) Fitting isolation and non-return valves will allow
easier maintenance.
f) Never throttle pump on suction side and never
place a valve directly on the pump inlet nozzle.
4.6.3 Suction strainer
a) It is recommended that a temporary strainer be
installed in the suction pipe near the pump to
prevent lodging of foreign material in the impeller.
Provide with pressure gauges before and behind
strainer in order to check the pressure drop at the
strainer.
b) The net area of the strainer should be three or
four times the area of the suction pipes.
c) The temporary strainer may be removed, when it
has become not to be clogged any more after
repeating check and clean
4.6.4 Discharge piping
a) Install the check valve between the pump and the
discharge valve to protect the pump from any
possible excessive back pressure or from reverse
rotation caused by liquid running back through
the casing during driver or power failure.
b) Satisfactory operation cannot be maintained
when excessive forces and moments from piping
imposes on the pump. If excessive, they will
become a common cause of misalignment, hot
bearings, worn couplings and vibration. Design
and install the pipings so as not to impose
excessive forces and moments from piping on
the pump.
c) Suction and discharge pipes and associated
equipment should be supported and anchored
near but independent of the pump.
d) Design and install the pipings and supports so as
to be allowed for movement of piping due to
expansion or contraction.
e) Before connecting the flanges between pump
and piping, confirm to be able to insert smoothly
the bolts into the bolt holes of flanges, and that
parallel between both flange faces is within 0.5
mm (0.020 in) by thickness gauge. Check and
see four point (every 90°).
f) If error of more than 0.15 mm (0.006 in) in the
centring of coupling occurs by connecting the
pipings to the pump, disconnect and adjust the
pipings and supports again.
g) The piping should be flushed and cleaned
thoroughly before connecting it to the pump.
4.6.5 Auxiliary piping
The connections that are to be piped
up will have been fitted with protective metal or
plastic plugs which will need to be removed.
Piping needed for each pump for auxiliary piping is
shown below. Install the piping in accordance with
piping drawings supplied.
a) Drain and vent piping
b) Cooling piping
c) External sealing piping or self flushing piping
d) Quenching piping
e) Steam piping
f) Others
4.6.6 By-pass piping (minimum flow piping)
If the capacity sent from the pump to the system is
less than the minimum flow rate of the pump, the
pump should operate at more rate than minimum flow
rate and the remainder capacity should be returned to
the suction tank or others through the by-pass piping,
in order to operate safely the pump at reduced
capacity. Install a by-pass piping in above case.
4.6.7 Warming piping
It is recommended to perform warming prior to
operation for the pump handling liquids over of 100℃.
Warming is performed by pouring liquid back from the
discharge side. Better result will be achieved for
pumps with 200 mm (8 in) or over discharge nozzles,
if the liquid is poured from both drain port and
discharge side of the pump.
4.6.8 Allowable Nozzle loads
The values permitted are listed below and are twice
the value of API 610. Values are presented in
compliance with the ISO 1503 sign convention.
All individual values which are greater than the
following values must be referred to Flowserve for
approval.
Page 17 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
4.6.9 Nozzle Load values
Fx
Each Top Nozzle
(Force in Newtons)
Fy
Fz
Fr
Nominal Size of Flange (mm)
5080100150200250
1420214028404980756010680
116017802320410062208900
1780266035606220978013340
25603860512089601384019260
Each Side Nozzle
(Force in Newtons)
Each End Nozzle
(Force in Newtons)
Each Nozzle
(Moment in Newton
meters)
Each Top Nozzle
(Force in Pounds)
Each Side Nozzle
(Force in Pounds)
Fx
Fy
Fz
Fr
Fx
Fy
Fz
Fr
Mx
My
Mz
Mr
Fx
Fy
Fz
Fr
Fx
Fy
Fz
Fr
1420214028404980756010680
1780266035606220978013340
116017802320410062208900
25603860512089601384019260
1780266035606220978013340
1420214028404980756010680
116017802320410062208900
25603860512089601384019260
920190026604600706010040
4609401360236035204880
70014402000352051607600
1240256036006260942013500
Nominal Size of Flange (inch)
2346810
320480640112017002400
26040052092014002000
400600800140022003000
5808601140202031204400
320480640112017002400
400600800140022003000
26040052092014002000
5808601140202031204400
400600800140022003000
320480640112017002400
26040052092014002000
5808601140202031204400
68014001960340052007400
3407001000174026003600
52010601480260038005600
920190026604620700010000
Each End Nozzle
(Force in Pounds)
Each Nozzle
(Moment in foot-
pounds)
Fx
Fy
Fz
Fr
Mx
My
Mz
Mr
Page 18 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
4.6.10 Final Checks
Check the tightness of all bolts in the suction and
discharge pipework. Check also the tightness of all
foundation bolts.
4.7 Electrical connections
Electrical connections must be made
by a qualified Electrician in accordance with relevant
local national and international regulations.
It is important to be aware of the EUROPEAN
DIRECTIVE on potentially explosive areas where
compliance with IEC60079-14 is an additional
requirement for making electrical connections.
It is important to be aware of the EUROPEAN
DIRECTIVE on electromagnetic compatibility when
wiring up and installing equipment on site. Attention
must be paid to ensure that the techniques used
during wiring/installation do not increase
electromagnetic emissions or decrease the
electromagnetic immunity of the equipment, wiring or
any connected devices. If in any doubt contact
Flowserve for advice.
The motor must be wired up in
accordance with the motor manufacturer's
instructions (normally supplied within the terminal
box) including any temperature, earth leakage,
current and other protective devices as appropriate.
The identification nameplate should be checked to
ensure the power supply is appropriate.
4.9 Protection systems
The following protection systems are
recommended particularly if the pump is installed in a
potentially explosive area or is handling a hazardous
liquid. If in any doubt consult Flowserve.
If there is any possibility of the system allowing the
pump to run against a closed valve or below
minimum continuous safe flow a protection device
should be installed to ensure the temperature of the
liquid does not rise to an unsafe level.
If there are any circumstances in which the system
can allow the pump to run dry, or start up empty, a
power monitor should be fitted to stop the pump or
prevent it from being started. This is particularly
relevant if the pump is handling a flammable liquid.
If leakage of product from the pump or its associated
sealing system can cause a hazard it is
recommended that an appropriate leakage detection
system is installed.
To prevent excessive surface temperatures at
bearings it is recommended that temperature or
vibration monitoring are carried out.
A device to provide emergency stopping must
be fitted.
If not supplied pre-wired to the pump unit, the
controller/starter electrical details will also be supplied
within the controller/starter.
For electrical details on pump sets with controllers
see the separate wiring diagram.
See section 5.4, Direction of rotation
before connecting the motor to the electrical supply.
4.8 Final shaft alignment check
After connecting piping to the pump, rotate the shaft
several times by hand to ensure there is no binding
and all parts are free. Recheck the coupling
alignment, as previously described, to ensure no pipe
strain. If pipe strain exists, correct piping.
Page 19 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
5 COMMISSIONING, START-UP,
OPERATION AND SHUTDOWN
These operations must be carried
out by fully qualified personnel.
5.1 Pre-commissioning procedure
a) Uncouple pump and motor, and check the
rotating direction of motor by running only the
motor in a few seconds. The rotating direction of
this pump is counter clockwise viewed from the
coupling end. After check; replace the coupling
bolts.
b) Check that the pump rotor turns smoothly when
rotating it by hand. If rotation is not smooth, or
any abnormal sound is heard, disassemble the
pump and check the sliding parts such as
wearing ring, etc.
c) Open valves for cooling and flushing (sealing)
piping where provided.
5.1.1 Lubrication System
Before operating the pump, the lubrication system
should be thoroughly cleaned to remove any foreign
matter that may have accumulated during shipment,
storage or installation.
To clean the lubrication system:
a) Remove the upper half of bearing cases, journal
bearings, thrust shoes and drain plugs. Refer to
Section 6 Maintenance.
b) Flush out the bearing housings with Kerosene or
other suitable solvent.
c) Wash the journal bearings and thrust shoes with
a suitable solvent.
d) Flush the entire lubrication system with flushing
oil. Flushing oil should be compatible with
lubricating oil that will be used. Follow any
instructions given for the lubrication console.
e) During flushing operation, examine the piping for
leaks and correct as necessary. Also check for
any obstructions that will interfere with free flow
of oil to the bearings
5.1.2 Lubrication
Operation of the unit without correct lubrication
can result in overheating of the bearings, bearing
failures, pump seizure and failure of the equipment,
exposing operating personnel to injury.
Pumps fitted with anti friction bearings will be
supplied with constant level oilers.
Pumps fitted with sleeve and Kingsbury bearings will
be fitted with a forced lubrication system.
Other drivers and gearboxes, if appropriate, should
be lubricated in accordance with their manuals.
5.1.2.1 Constant Level Oiler
When fitted with a constant level oiler, the bearing
housing should be filled with the required amount of
oil. The constant level oiler should be filled with oil
and fitted to the housing.
5.1.2.2 Forced lubrication system
Fill oil reservoir with the required volume of oil.
An auxiliary oil pump supplies oil to the pressure
lubrication system to ensure minimum oil pressure for
start up, shut down or periods when the main oil
pump can not supply sufficient oil.
During operation, oil is supplied from the oil reservoir
by the main oil pump and is directed to the oil cooler.
From the oil cooler, the oil is directed through the oil
filter and is then supplied to the pump/drive bearings.
A back pressure relief valve mounted in the
lubrication system maintains the required system oil
pressure. The system is additionally equipped with a
low pressure, pressure switches, which can be used
to control the unit when the oil pressure in the
lubrication system decreases to predetermined
values or prevents the starting of the unit until
adequate oil pressure is established. Gravity
assisted, sloped oil return line conducts the oil from
the pump/driver bearings back to the system
reservoir.
A check valve is mounted in the auxiliary oil pump
discharge line to prevent oil from returning to the oil
reservoir when the main oil pump is running and the
auxiliary oil pump is shut down.
5.2 Pump lubricants
The lubricating oil should be a high quality mineral oil
having foam inhibitors. The oil should conform to the
following characteristics:
Type Turbine Oil to ISO VG 46
Viscosity@40℃
Viscosity@100℃
5.2.1 Bearing Sizes
The BP pump is equipped with heavy duty, externally
mounted antifriction bearings or with babbitted sleeve
and Kingsbury type thrust bearing. Bearing selection
is dependant on pump size and duty conditions.
Details of the bearings fitted to your pump will be
found in the technical data supplied with your pump.
46 Cst min
7 Cst min
Page 20 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
5.2.2 Lubrication schedule
Oil should be changed after the first 400 hours use.
Normal oil change intervals are 4 000 operating hours
or at least every 6 months. For pumps on hot service
or in severely damp or corrosive atmosphere, the oil
will require changing more frequently. Lubricant and
bearing temperature analysis can be useful in
optimizing lubricant change intervals.
Lubricant quantities will be found in the technical data
supplied with your pump.
5.2.3 Oil temperature
Oil temperature of the journal and thrust bearings
should be maintained as listed below.
The minimum bearing oil supply
temperature is 15°C (59°F). If necessary, the oil in
the reservoir should be heated by the immersion
heater normally provided.
5.3 Impeller clearance
The impeller clearance is set in the factory. This may
require adjustment because of piping attachment or
increase in temperatures. For impeller clearance
refer to API 610/ISO 13709 minimum running
clearances.
5.4 Direction of rotation
Serious damage can result if the pump
is started or run in the wrong direction of rotation.
The pump is shipped with the coupling element
removed. Ensure the direction of rotation of the motor is
correct before
rotation must correspond to the direction arrow.
out to the site's electricity supply, the direction of
fitting the coupling element. Direction of
If maintenance work has been carried
Maximum
Allowable
Temperature
93℃ (200°F)
85℃ (185°F)
93℃ (200°F)
85℃ (185°F)
93℃ (200°F)
85℃ (185°F)
rotation should be re-checked as above in case the
supply phasing has been altered.
5.5 Guarding
Guarding is supplied fitted to the pump set.
Fasteners for guards must remain captive in the
guard to comply with the Machinery Directive
2006/42/EC. When releasing guards, the fasteners
must be unscrewed in an appropriate way to ensure
that the fasteners remain captive.
Whenever guarding is removed or disturbed ensure
that all the protective guards are securely refitted
prior to start-up. If they have been removed or
disturbed ensure that all the protective guards are
securely refitted.
5.6 Priming and auxiliary supplies
5.6.1 Filling and priming:
a) Do not run the pump dry.
b) Fill the pump with liquid before starting.
c) Open the vent valve installed at the pump or the
discharge piping midway in order to evacuate air
and gases from the pump.
d) Confirm that the pump is filled with liquid.
e) If the suction pressure is lower than atmosphere,
carry out the priming of pump by using a priming
device such as vacuum pump or ejector. While
evacuating air and gas from the pump, perform
by repeating to turn the pump shaft by hand.
5.6.2 Warming:
Perform warming prior to operating the
pump with liquid over 100°C (212°F)
Use warming piping if installed.
It is recommended to perform warming at the rate of
2~3°C (4~6°F) /min temperature rise. Start-up the
pump after differential temperature between the top
and bottom of the pump barrel is less than 35°C
(63°F), and the lower of the two temperatures is
within 30°C (54°F) of the stream temperature to
which the pump will be exposed when operating, as a
standard.
Do not fill the pump rapidly with high
temperature liquid.
In the case that the temperature difference between
pump casing and liquid, or the temperature difference
between the top and bottom of the pump barrel
cannot be measured accurately, it is possible to startup the pump if the shaft rotates smoothly by turning it
by hand, when the casing temperature will have
reached a saturated temperature.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
5.6.3 Auxiliary supplies
Ensure all electrical, hydraulic,
pneumatic, sealant and lubrication systems (as
applicable) are connected and operational.
Check the open or close condition of valves installed
in auxiliary piping lines.
Casing drain and vent valves: Closed
Valves for cooling: Open
Valves for flushing line of mechanical seal: Open
Valves for Sealing line of gland packing: Open
Preheat oil unit with steam heater 30 minutes before
pump start.
5.7 Starting the pump
a)
heating liquid supplies are turned ON, before
starting pump.
b) Confirm that the suction valve is opened fully and
the discharge valve is closed completely. Open
minimum flow line, if installed.
c) Start the driver, according to driver
manufacturer’s instructions.
d) Check the discharge pressure and slowly open
the discharge valve as soon as the pump attains
full speed, and maintain pump capacity at the
rated or near the rated flow.
e) If the discharge pressure gauge does not indicate
the specific pressure when the rotor is revolving
at or near rated speed, immediately shut down
and make a careful check of the suction line.
f) Do not operate with discharge valve closed for
more than a few minutes, as pump will overheat
and may seize.
g) Do not operate pump at less than minimum flow.
h) Check and record periodically the running
conditions during operation.
i) Refer to section 7, Faults; causes and remedies
for fault diagnosis.
Ensure flushing and/or cooling/
5.8 Running the pump
5.8.1 Pumps fitted with mechanical seal
Mechanical seals require no adjustment. Any slight
initial leakage will stop when the seal is run in.
External flush or quench should be
started before the pump is run and allowed to flow for a
period after the pump has stopped.
Never run a mechanical seal dry,
even for a short time.
5.8.2 Bearings
If the pumps are working in a potentially
explosive atmosphere temperature or vibration
monitoring at the bearings is recommended.
If bearing temperatures are to be monitored it is
essential that a benchmark temperature is recorded
at the commissioning stage and after the bearing
temperature has stabilized.
Record the bearing temperature (t) and the
ambient temperature (ta)
Estimate the likely maximum ambient
temperature (tb)
Set the alarm at (t+tb-ta+5) ºC (t+tb-ta+10) ºF
and the trip at 100 ºC (212 ºF) for oil lubrication
It is important to keep a check on bearing
temperatures. After start up the temperature rise
should be gradual, reaching a maximum after
approximately 1.5 to 2 hours.
This temperature rise should then remain constant or
marginally reduce with time. Refer to section 6.2.3
Re-lubrication for further information.
5.9 Stopping and shutdown
a) Close the discharge valve
gradually and stop the driver.
b) When a by-pass line for minimum flow is
provided, close the discharge valve completely,
making sure the valve on the by-pass line is fully
open.
c) Once the pump has stopped close the discharge
and suction and by-pass valves.
d) Close all valves in the auxiliary piping as required
after the pump has stopped completely.
e) Stop the auxiliary oil pump.
f)
especially when ambient temperatures are likely
to drop below freezing point, the pump and any
cooling and flushing arrangements must be
drained or otherwise protected.
g)
solidify during shut-down, clean the pump interior
well and replace with any other liquid (for
example, water), after stopping the pump.
5.9.1 Stand-by operation
Perform the following for stand-by operation so that
the pump can be started at any time.
a) Open the suction valve fully.
b) Vent air and gas from the pump and fill the pump
with liquid.
For prolonged shut-downs and
In case of handling a liquid liable to
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
c) In case that the pump starts up automatically,
open the discharge valve or minimum flow line so
as not to operate at shut-off.
d) Keep pump warmed at all times. Refer to 5.6.2
Warming for further details.
e) Maintain cooling water and/or external flushing
liquid as required.
f) Confirm by hand that pump rotor turns smoothly
every week.
g) It is recommended to operate the pump once a
month in order to confirm normal operation.
5.10 Hydraulic, mechanical and electrical
duty
This product has been supplied to meet the performance
specifications of your purchase order, however it is
understood that during the life of the product these may
change. The following notes may help the user decide
how to evaluate the implications of any change. If in
doubt contact your nearest Flowserve office.
5.10.1 Specific gravity (SG)
Pump capacity and total head in metres (feet) do not
change with SG, however pressure displayed on a
pressure gauge is directly proportional to SG. Power
absorbed is also directly proportional to SG. It is
therefore important to check that any change in SG
will not overload the pump driver or over-pressurize
the pump.
5.10.2 Viscosity
For a given flow rate the total head reduces with
increased viscosity and increases with reduced
viscosity. Also for a given flow rate the power
absorbed increases with increased viscosity, and
reduces with reduced viscosity. It is important that
checks are made with your nearest Flowserve office if
changes in viscosity are planned.
5.10.3 Pump speed
Changing pump speed effects flow, total head, power
absorbed, NPSH
direct proportion to pump speed, head varies as speed
ratio squared and power varies as speed ratio cubed.
The new duty, however, will also be dependent on the
system curve. If increasing the speed, it is important
therefore to ensure the maximum pump working
pressure is not exceeded, the driver is not overloaded,
NPSH
> NPSHR, and that noise and vibration are
A
within local requirements and regulations.
5.10.4 Net positive suction head (NPSHA)
NPSH available (NPSH
available in the pumped liquid, above its vapour
pressure, at the pump suction branch.
, noise and vibration. Flow varies in
R
) is a measure of the head
A
NPSH required (NPSH
) is a measure of the head
R
required in the pumped liquid, above its vapour
pressure, to prevent the pump from cavitating. It is
important that NPSH
NPSH
> NPSHR should be as large as possible.
A
If any change in NPSH
A > NPSH
A
. The margin between
R
is proposed, ensure these
margins are not significantly eroded. Refer to the
pump performance curve to determine exact
requirements particularly if flow has changed.
If in doubt please consult your nearest Flowserve
office for advice and details of the minimum allowable
margin for your application.
5.10.5 Pumped flow
Flow must not fall outside the minimum and
maximum continuous safe flow shown on the pump
performance curve and or data sheet.
Page 23 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
6 MAINTENANCE
6.1 General
It is the plant operator's responsibility to ensure
that all maintenance, inspection and assembly work
is carried out by authorized and qualified personnel
who have adequately familiarized themselves with
the subject matter by studying this manual in detail.
(See also section 1.6.)
Any work on the machine must be performed when it
is at a standstill. It is imperative that the procedure
for shutting down the machine is followed, as
described in section 5.9.
On completion of work all guards and safety devices
must be re-installed and made operative again.
Before restarting the machine, the relevant
instructions listed in section 5, Commissioning, start up, operation and shut down must be observed.
Oil and grease leaks may make the ground
slippery. Machine maintenance must always
begin and finish by cleaning the ground and the
exterior of the machine.
If platforms, stairs and guard rails are required for
maintenance, they must be placed for easy access to
areas where maintenance and inspection are to be
carried out. The positioning of these accessories
must not limit access or hinder the lifting of the part to
be serviced.
When air or compressed inert gas is used in the
maintenance process, the operator and anyone in the
vicinity must be careful and have the appropriate
protection.
Do not spray air or compressed inert gas on skin.
Do not direct an air or gas jet towards other people.
Never use air or compressed inert gas to clean
clothes.
Before working on the pump, take measures to
prevent an uncontrolled start. Put a warning board
on the starting device with the words:
"Machine under repair: do not start".
With electric drive equipment, lock the main switch
open and withdraw any fuses. Put a warning board
on the fuse box or main switch with the words:
"Machine under repair: do not connect".
Guard fasteners must remain captive during
dismantling of guards, as described in section 5.5.
Before attempting to disassemble
pump, pump must be isolated from system, by
closing suction and discharge system valves, drained
of liquid and cooled, if pump is handling hot liquid.
When pump is handling “hot” liquid,
extreme care must be taken to ensure safety of
personnel when attempting to drain pump. Hot pumps
must be allowed to cool before draining.
When pump is handling “caustic”
liquid, extreme care must be taken to ensure safety of
personnel when attempting to drain pump. Protective
device of suitable protective materials must be worn
when draining pump.
Before attempting any maintenance
work on pumps in vacuum service, pumps must be
isolated from suction and discharge system, then
carefully vented to return pressure in pump casing to
atmospheric pressure.
For prolonged shut-downs and
especially when ambient temperatures are likely to
drop below freezing point, the pump and any cooling
and flushing arrangements must be drained or
otherwise protected
During long period of shut down, turn the
pump rotor by hand once a week and check the
lubricating oil before start up.
Never clean equipment with inflammable solvents or
carbon tetrachloride. Protect yourself against toxic
fumes when using cleaning agents.
6.2 Maintenance schedule
It is recommended that a maintenance plan and
schedule is adopted, in line with these User
Instructions, to include the following:
a) Any auxiliary systems installed must be
monitored, if necessary, to ensure they function
correctly.
b) Check for any leaks from gaskets and seals.
The correct functioning of the shaft seal must be
checked regularly.
c) Check bearing lubricant level, and if the hours
run show a lubricant change is required.
d) Check that the duty condition is in the safe
operating range for the pump.
e) Check vibration, noise level and surface temperature
at the bearings to confirm satisfactory operation.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
f) Check dirt and dust is removed from areas around
close clearances, bearing housings and motors.
g) Check coupling alignment and re-align if necessary.
Our specialist service personnel can help with
preventative maintenance records and provide
condition monitoring for temperature and vibration to
identify the onset of potential problems.
If any problems are found the following sequence of
actions should take place:
a) Refer to section 7, Faults; causes and remedies,
for fault diagnosis.
b) Ensure equipment complies with the
recommendations in this manual.
c) Contact Flowserve if the problem persists.
6.2.1 Routine inspection (daily/weekly)
The following checks should be made
and the appropriate action taken to remedy any
deviations:
a) Check operating behaviour. Ensure noise,
vibration and bearing temperatures are normal.
b) Check that there are no abnormal fluid or
lubricant leaks (static and dynamic seals) and
that any sealant systems (if fitted) are full and
operating normally.
c) Check that shaft seal leaks are within acceptable
limits.
d) Check the level and condition of oil lubricant.
e) Check any auxiliary supplies eg heating/cooling
(if fitted) are functioning correctly.
Refer to the manuals of any associated
equipment for routine checks needed.
6.2.2 Periodic inspection (six monthly)
a)
security of attachment and corrosion.
b) Check pump running records for hourly usage to
determine if bearing lubricant requires changing.
c) The coupling should be checked for correct
alignment and worn driving elements.
Refer to the manuals of any associated
equipment for periodic checks needed.
6.2.3 Annual inspection
a) Alignment check
b) Replacement of mechanical seal
c) Inspection of diffuser and impeller wearing rings
d) Inspection of shaft, impeller and diffuser
e) Inspection of casing barrel and discharge head
f) Inspection of balancing drum and ring
Check foundation bolts for
g) Inspection of stuffing box and suction head
6.2.4 Two year inspection
a) Replacement of bearing
b) Inspection of bearing bracket and bearing
housing
6.2.5 Re-lubrication
Lubricant and bearing temperature analysis can be
useful in optimizing lubricant change intervals. In
general however, the following is recommended.
Normal oil change intervals are 4 000 operating hours
or at least every six months. For pumps on hot
service or in severely damp or corrosive atmosphere,
the oil will require changing more frequently.
Lubricant and bearing temperature analysis can be
useful in optimizing lubricant change intervals.
The lubricating oil should be a high quality mineral oil
having foam inhibitors. Synthetic oils may also be
used if checks show that the rubber oil seals will not be
adversely affected. Refer to Section 5.2 Pump
lubricants for oil specification.
The bearing temperature may be allowed to rise to
50 ºC (90 ºF) above ambient, but should not exceed
82 ºC (180 ºF) (API 610 limit). A continuously rising
temperature, or an abrupt rise, indicates a fault.
Pumps that handle high temperature liquids may
require their bearings to be cooled to prevent bearing
temperatures exceeding their limits.
6.2.6 Mechanical seals
When leakage becomes unacceptable the seal [4200]
will need replacement.
6.3 Spare parts
6.3.1 Ordering of spares
Flowserve keeps records of all pumps that have been
supplied. When ordering spares the following
information should be quoted.
1) Pump serial number.
2) Pump size.
3) Part name – taken from section 8.
4) Part number – taken from section 8.
5) Number of parts required.
The pump size and serial number are shown on the
pump nameplate.
To ensure continued satisfactory operation,
replacement parts to the original design specification
should be obtained from Flowserve. Any change to
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
the original design specification (modification or use
of a non-standard part) will invalidate the pump’s
safety certification.
6.3.2 Storage of spares
Spares should be stored in a clean dry area away
from vibration. Inspection and re-treatment of
metallic surfaces (if necessary) with preservative is
recommended at 6 monthly intervals.
6.4 Recommended spares
The list below outlines the minimum requirement for
spare parts to be retained onsite.
The minimum number of spare parts which should be
carried in stock at the site of the installation, should
be determined based on the severity of the condition
of service, the extent to which repairs can be carried
out in the field and number of units installed
No. NAME OF PARTS REQUIRED REPLACEMENT
1 Diffuser rings and
Stage piece rings
2 Gaskets Every overhaul
3 “O”rings Every overhaul
4 Shaft sleeve and
Breakdown bushing
5 Bearing Every two years.
6 Balancing drum and
Balancing ring
When he original clearance has
doubled.
Or
When there is a significant drop
of pump performance.
When he original clearance has
doubled.
Or
When leakage from shaft
sealing becomes unacceptable.
Or
When increase of noise or
vibration becomes unacceptable
Or
When abnormal rubbing noise is
detected at the bearing.
When the clearance between
the drum and ring has become
1.5 times larger than the original
clearance.
6.5 Tools required
A typical range of tools that will be required to
maintain these pumps is listed below.
Readily available in standard tool kits, and dependent
on pump size:
Open ended spanners (wrenches) to suit up to
M36 bolt or nut head
Socket spanners (wrenches), to suit up to M36
bolt or nut head
Range of screwdrivers
Soft mallet
More specialized equipment:
Bearing pullers
Bearing induction heater
Dial test indicator
C-spanner (wrench) - for removing shaft nut.(If
difficulties in sourcing are encountered, consult
Flowserve.)
Coupling grip/shaft spanner
All additional special tools are described in the
Special Tools List and are supplied with your pump.
No Name Remark
Extension
1
Sleeve
2 Lifting Lug
3 Lifting Lug
4 Shaft Lug Shaft
Face Spanner
5
Wrench
6 Belt Wrench Turning
Lock Nut
7
Wrench
8 Hooker
9 Hooker Bearing Nut
10 Eye Bolt
11 Eye Bolt Stage Piece
12 Eye Bolt Diffuser
13 Lifting Jig Diffuser
14 Pulling Jig
15 Fixing Jig
16 Coupling
17 Plate
Center Bolt &
18
Nut
19 Bolt
20 Eye Bolt
21 Eye Bolt
22 Sleeve Spirolox Ring
23 Tool Box
Assembly of
Rotor
Diffuser of
Rotor
Element
Shaft of
Rotor
Element
Coupling Nut
Thrust Collar
Nut
Thrust Collar
Lock Nut
Last Stage
Diffuser
Disassembly
of Discharge
Head
Diffuser of
Rotor
Element
Assembly of
Rotor
Assembly of
Rotor
Assembly of
Rotor
Assembly of
Rotor
Balancing
Drum
Bearing
Housing
Journal
Bearing
● ●
● ●
● ●
● ●
● ●
● ●
●
●
○1 ●
● ●
● ●
○2 ○2
○3 ○3
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
○4 ○4
● ●
Ball
Bearing
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
N.B.
*1 When axial probes & key phaser are required
*2 When return channel vane of intermediate diffuser
is even number
*3 When return channel vane of intermediate diffuser
is odd number
*4 When impeller is clearance fit on shaft
6.6 Fastener torques
Torque values will appear in the section of
“Assembling Procedure”. They are selected to
achieve the correct amount of pre-stress in the
threaded fastener. Maintenance personnel must
ensure that threads are in good condition (free of
burrs, galling, dirt etc. ) and that commercial thread
lubricant is used. Torque should be periodically
checked to assure that it is at the recommended
value.
When reassembling the pump, all fasteners
must be tightened to the correct torque value. Failure
to observe this warning could result in injury to
operating personnel
Non-metallic gaskets incur creep
relaxation - before commissioning the pump check
and retighten fasteners to tightening torques stated.
6.7 Disassembly
Refer to Safety section before dismantling the
pump.
Dismantle the pump carefully not to damage internal
parts of the pump. Arrange dismantled parts in order
so as to facilitate reassembling.
Protect metal contact surfaces against corrosion.
Close the suction and discharge valves and open the
casing drain valve to remove liquid from the casing.
Remove the pump casing drain pipings as well as
flushing pipings.
In dismantling the pump, it is desirable to record
clearances and important dimensions prior to
disassembly, because they are convenient checks on
the correctness of the rebuilding process.
Before dismantling the pump for
overhaul, ensure genuine Flowserve replacement
parts are available.
Refer to section drawing and parts list for location of
parts. The numbers in parentheses are part numbers
in the section drawing of the pump. See section 8,
Parts lists and drawings.
6.7.1 Drive End Bearing (Radial or Line Bearing)
Removal
a) Isolate power supply to motor.
b) Close suction and discharge valves. Drain casing
by removing drain plug [Item 602]
c) Disconnect all auxiliary pipes and tubes where
applicable.
d) Remove coupling guard and disconnect coupling.
e) Disconnect lube oil supply and drain piping. Drain the
oil from the bearing housing.
f) Remove the coupling nut [7411] and coupling
hub on the pump shaft. In removing coupling
nuts, use a face spanner wrench (Tool List No.5).
g) If fitted, loosen the set screws in the deflector
[2540] and remove it from end of shaft.
h) Do the same for the deflector located on the
other side of the bearing housing and slide it
back on the shaft towards the mechanical seal.
i) Loosen and remove nuts holding the upper half
of the radial bearing housing [3200] (bearing cap)
to the suction head [1222]. Remove cap screws
and dowel pins furnished between upper and
lower half of bearing housing. Rig eye bolt in
bearing cap to an overhead hoist and lift it from
lower half of bearing housing and place on
blocking on floor.
j) Remove cap screws and dowel pins from journal
bearing.
k) Remove upper half of journal bearing. Using a
bar and a block of wood under the pump shaft,
raise shaft slightly and roll out the lower half of
journal bearing.
l) Install two eye bolts on the lower half of bearing
housing [3200] and rig to an overhead hoist.
Loosen and remove nuts holding bearing housing
[3200] to the suction head [1222]. Using the
overhead hoist, lower and remove bearing
housing away from the casing and place on
blocking on the floor.
m) Remove deflector [2540] located at the
mechanical seal side.
6.7.2 Thrust Bearing Removal
a) Remove bolts from bearing end cover [3266] and
remove the cover. Remove shim pack and
spacers [6196/3645].
If oil pump is mounted on thrust end of shaft
a) Remove bolts from oil pump on bearing end
cover [3266]. Remove gasket for oil pump.
b) Remove Lovejoy coupling and key from thrust
end of shaft.
c) Remove bolts from bearing end cover [3266] and
remove the cover with seal ring [4305].
d) Remove shim pack [6196/3645].
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
If phase disk is fitted on thrust end of shaft
a) Remove bolts from bearing end cover [3266] and
remove the cover. Remove gasket [4590] for
bearing end cover [3266].
b) Loosen bearing nut [3712.2] by using the hooker
(Tool List No.9], and then remove bearing nut
[3712.2], bearing washer [2905], phase disk and
key [6700] from thrust end of shaft.
c) Remove bolts from bearing end cover [3266] and
remove the cover with seal ring [4305].
d) Remove shim pack [6196/3645].
Tag and record thickness of shims for reassembly.
e) Loosen the set screws in the deflector [2540],
slide it back on the shaft towards the mechanical
seal.
f) Loosen and remove nuts holding the upper half
of the thrust bearing housing [3230] (bearing cap)
to the stuffing box [4112]. Remove cap screws
and dowel pins furnished between upper and
lower half of the bearing housing. Rig eye bolt in
bearing cap to an overhead hoist. and lift it from
lower half of bearing housing and place on
blocking on floor.
g) The inboard and outboard thrust bearing
assembly [3032] can now be removed from the
bearing housing [3230]. Tag thrust bearing
assemblies to ensure they will be returned to
their original position. Refer to thrust bearing
drawing and instructions in this manual.
h) Remove cap screws and dowel pins from journal
bearing.
i) Remove upper half of journal bearing. Using a
bar and a block of wood under the pump shaft,
raise shaft slightly and roll out the lower half of
journal bearing.
j) Install two eye bolts on the lower half of the
bearing housing [3230] and rig to an overhead
hoist. Loosen and remove nuts holding the
bearing housing [3230] to the stuffing box [4112].
Using the overhead hoist, lower and remove the
bearing housing away from the stuffing box and
place on blocking on the floor.
k) Loosen lock nut [3712.2] by using hooker (Tool
List No.8) and remove bearing nut.
l) Loosen thrust collar nut [3712.1] by using lock
nut wrench (Tool List No.7) and remove thrust
collar nut.
m) Remove thrust collar [3610] and key [6700]. It
may be necessary to apply heat to thrust collar to
remove it. Do not allow temperature to rise above
104°C (220°F) when heating thrust collar.
Temperature can be checked with “tempil stick”.
Remove shims [6196/3645]. Record thickness of
shims and tie together to prevent shims from
being separated.
6.7.3 Mechanical seal removal
a) Remove deflector [2540] located at the
mechanical seal side from pump shaft.
b) Refer to the Instruction manual for mechanical
seals. Remove the nuts from the mechanical seal
cover [4200] and take off the mechanical seal
[4200] carefully together with shaft sleeve.
c) Remove the tightening nuts from the suction
head [1222] which is fitted in the casing barrel
[1100] and take off the suction head with the
throat bushing [4132] by using forcing off bolts
(jack screws).
d) Remove the spiral wound gasket [4590] for
suction head [1222]. This point in time, support
the coupling end of the shaft by a wooden stand.
And then dismantle the parts on the thrust side
(anti-coupling side).
e) Remove the tightening nuts for the stuffing box
[4112] and take out the stuffing box with the
throat bushing [4132] by using forcing off bolts.
f) Remove the spiral wound gaskets [4590] for the
stuffing box.
6.7.4 Rotor assembly removal
a) Remove the tightening nuts [6572] and the
washers [2905] from the discharge head [1221]
and take off the discharge head [1221] with the
balancing ring [1600] by using forcing off bolts
(jack screws). Be careful not to damage the
gasket sealing face of the discharge head.
b) Remove the spiral wound gaskets [4590]
c) Screw two centre bolts (Tool List No.18) into the
last stage diffuser. Place the plate (Tool List
No.17) through the centre bolts (Tool List No.18)
and coupling (Tool List No.16) against the head
of the tightening studs [6572] for the discharge
head [1221] and fix the plate with two tightening
bolts (Tool List No.19) using the hookers (Tool
List 8/9]. Next, install a shaft lug (the lifting
device for the shaft) (Tool List No.4) on the part
of the shaft where thrust bearing is attached, and
fix the lifting device with the thrust collar nut
[3712.1].
d) Using the hookers (Tool List 8/9), rotate the nuts
(Tool List No.18) of the centre bolts to pull out the
inner element, from the casing barrel [1100]
toward the thrust end. When the inner element
(the rotor assembly) is pulled sufficiently out of
the casing barrel [1100], remove the centre bolts,
bolts and plate (Tool List No.17, No.18&No.19).
Then fit the lifting lug (Tool List No.2) on the outer
surface near to the centre of gravity of the inner
element.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
e) Pull the rotor assembly completely out of the
casing barrel by using the lifting lug (Tool List
No.2) and crane or chain block.
f) Move the inner element (rotor assembly) to a
convenient location for dismantling and
inspection. Remove the lifting lug (Tool List
No.2) from the inner element.
g) Screw eye bolts (lifting bolts, Tool List No.10) in
the last stage diffuser [1413]. Then attach the
fixing device (Tool List No.15) to the inner
element (rotor assembly) using the hookers (Tool
List 8/9) and fix the lifting lug (Tool List No.3) on
the coupling side of shaft adjacent to fixing
device. Using the hookers (Tool List 8/9), put up
the inner element vertically by using eye bolts
(Tool List No.10), lifting lug (Tool List No.3) and
shaft lug (shaft lifting device, Tool List No.4).
Before fixing the lifting lug on the shaft, wrap
gum tape around the shaft, where the lifting lug is
fitted up, in order not to damage the shaft surface.
h) Put the inner element (rotor assembly) with the
shaft vertical and the last stage diffuser
uppermost on a proper supporting stand. In
supporting the inner element on the stand, make
use of the wide end surface of the suction stage
piece [1460] and support the coupling end of the
shaft separately near the upper limit of the shaft’s
clearance travel (axial movement of the shaft).
i) Remove all the special dismantling tools attached
to the rotor assembly.
6.7.5 Balancing drum removal
Loose fit balancing drum
a) Remove the spirolox ring [6544], unscrew the
bolts [6570], and take off the retainer thrust ring.
After this work, push the balancing drum [6230]
toward the last stage impeller. Then, remove the
split-type thrust ring [2531.3], backup ring [3645]
and “O” ring [4610]. Take off the balancing drum
[6230] from the shaft by pulling it with the eye
bolts supplied as special tools (Tool List No.20).
Shrink fit balancing drum
a) Apply heat on balancing drum. Push the
balancing drum [6230] toward the last stage
impeller. Then, remove the split-type thrust ring
[2531.3]. Take off the balancing drum [6230] from
the shaft by pulling it with the eye bolts supplied
as special tools (Tool List No.20).
b) Remove the socket head cap screws of the last
stage diffuser [1413]. Pull out the last stage
diffuser [1413] by eye bolts (Tool List No.10)
6.7.6 Diffuser and impeller removal
In dismantling each diffuser, make a mark
on each diffuser removed so as to insure proper
reassembly.
a) Remove spirolox ring [6544], the last stage
impeller [2200.11], the split ring [2531] and
impeller key [6700].
b) For shrink fit impellers without spirolox ring, heat
on impeller hub by using a torch until it is free,
and then quickly lift the impeller.
c) Thread two eye-bolts (Tool List No.11) in the
preceding stage piece [1460] and attach a sling
long enough to clear the shaft. Heats the
periphery of the preceding stage piece [1460] by
using a torch until it is free, and then quickly lift
the stage piece.
d) Fix the lifting jig (Tool List No.13) with bolts or
eye bolt (Tool List No.12) on the diffuser [1411],
and then lift the diffuser.
e) Remove spirolox ring [6544], impeller [2200], split
ring [2531]and impeller key [6700] of the
preceding stage.
f) Dismantle remaining stages in the same manner
as described before. Eye-bolts (Tool List No.11)
should be used for lifting the stage pieces and
lifting jig (Tool List No.13) or eye bolt (Tool List
No.12)should be used for lifting diffusers.
g) Remove 1st stage impeller [2200].
h) Remove 1st stage impeller [2200].
i) Install the shaft lug (Tool List No.4) on the shaft
at the location of the thrust bearing and fix it with
the thrust collar nut [3712.1]. Lift the shaft until it
is above the support stand and put it horizontally
on a wooden block.
6.8 Examination of parts
Used parts must be inspected before
assembly to ensure the pump will subsequently run
properly. In particular, fault diagnosis is essential to
enhance pump and plant reliability.
6.8.1 Casing
Inspect the waterways in the impellers and diffusers
to see whether any erosion has taken place.
Carefully examine the important metal to metal joints
between the parts described below. If parts need to
be repaired contact Flowserve.
a) The stage piece [1460] and the casing barrel
[1100]
b) Adjacent diffusers [1411, 1412, 1413].
c) Discharge head [1221] to casing barrel [1100].
d) Stuffing box [4112] to discharge head [1221].
e) Suction head [1222] to casing barrel [1100].
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
f) Bearing housing [3200, 3230) to stuffing box
[4112] and suction head [1222].
Also check the gasket seat faces and ”O” ring faces.
As a general rule all” O “rings and gaskets should be
replaced at major overhauls.
6.8.2 Impeller
a) Check whether crack, damage, erosion and
corrosion are found by liquid penetrate test or
visual inspection.
b) Check whether the bore of impeller fitted on the
shaft is worn and the impeller keyway is
deformed.
6.8.3 Impeller rings[ 2300], Stage piece ring
[1500], Diffuser rings [1610]
a) Check whether scores, galls, scratches, nicks,
biting of foreign materials, erosion and corrosion
in the mating surfaces are found by visual
inspection.
b) In general it is recommended that the rings be
replaced or overhauled when the original
clearance has doubled or when pump capacity
has fallen below to an acceptable minimum as a
result of ring wear.
See “Important Clearances and Movement Table” in
section 10.4 Technical Data Sheet.
Single-Ring Construction- In BP pump
using standard ring construction, wear of the casing
rings can be remedied by turning down the impeller
hub at the running joint until a good surface is
obtained and then boring a spare undersize (small
internal diameter) casing ring to suit. Clearance at
the running joint should be the same as that provided
between the original ring and the impeller. Another
remedy would be to bore out the casing rings
sufficiently to eliminate the worn surface
imperfections and then down the impeller hubs at the
running joint to receive an oversize(large outer
diameter) ring. The first of the above remedies is
recommended for initial running joint restoration.
Double-Ring Construction- Rings are sometimes
provided in both the casing and on the impellers if
specifically requested on the original order –this
construction is not standard. On double-ring units
renewal of the proper ring clearance can be
accomplished by turning down the impeller rings to a
slightly smaller diameter and by replacing the casing
rings with undersize rings. The next repair should be
made boring out the casing rings with oversize rings.
By alternately or re-machining the ring sets, each ring
can be used two or more times.
6.8.4 Balancing Device
is recommended that replacement be made when the
clearance between the balancing drum O.D [6700]
and the bore of balancing ring I.D [1600] has
increased 50% or where there is a noticeable drop in
pump capacity. The balancing ring is installed on the
bore of the discharge head [1221] with shrink fit. A
dowel pin is pressed into the hole drilled between the
periphery of the balancing ring and the bore of the
discharge head to prevent the loosening and rotation
of the balancing ring. See “Important Clearances and
Movement Table” in section 10.4 Technical Data
Sheet.
6.8.5 Shaft
When the pump is dismantled, examine the shaft
carefully. Its condition should be checked at the
impeller hub fit, under the distance sleeves, and the
bearings. The shaft may become damaged by rusting
or pitting due to leakage along the shaft at the
impeller or distance sleeves. Anti-friction bearings
improperly fitted to the pump shaft will result in the
inner race rotating on the shaft thus causing undue
damage. Check the shaft keyway for distortion.
Excessive thermal stresses or corrosion may loosen
the impeller on the shaft and subject the keyway to
excessive shock. After a shaft has been repaired,
check it for possible run out 0.05 mm (0.002 in) T.I.R.
6.8.6 Mechanical Seal
a) Check sliding contact material for nick, scratch
and abrasion.
b) Check parts for dirt, scale and other matters.
c) Check packing and “O” ring for scratch and
deformation.
d) Sealing face should be re-lapped or replaced.
Packing and “O” ring should be replaced. Refer
to the instruction manual for mechanical seal for
further details.
6.8.7 Thrust bearing shoe [3032]
Check the mating surfaces of the shoes if they have
any grooves, wear or melting. If the wear, grooves or
scratches are minor they can be repaired. If the
damage is severe they have to be replaced with new
ones. If the thrust shoes are to be repaired, they
must be checked and confirmed by micro-meter to be
the same thickness.
Thrust shoes have to be replaced with a
complete set.
6.8.8 Thrust Collar [3610]
Check the thrust faces of the collar for any scorings
or burrs. If the scorings or burrs are minor it can be
repaired.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
After repairing the trust shoes and/or the
thrust collar, total end play of the thrust bearing will
be changed. If the increase of total shim thickness is
1.2 mm (0.05 in) or greater than the original shim
stack, the thrust collar and/or thrust shoes have to be
replaced.
6.8.9 Journal Bearings [3020]
Check the mating surfaces of the journal bearing if
they have any grooves, wear or melting. Wear,
grooves or scratches can not be repaired even if they
are minor because change in the surface profile will
deteriorate to produce hydro-dynamic bearing forces.
Worn out bearings have to be replaced with new
ones. Also check the running clearance.
Journal bearings are to be replaced if their
running clearances become 0.1 mm (0.004 in) larger
than the original.
6.9 Replacement of pressed in
components
6.9.1 Stage piece ring [1500], Diffuser ring
[1610], Throat bushing [4132] and
Balancing ring [1600]
a) As these rings are pressed into position, they are
pulled off with a special tool or cut out by
machining.
b) New rings are pressed into or are inserted in the
bore of the diffuser, stage piece or discharge
head after they are cooled. A knock pin is
pressed into a hole drilled at the fitting and the
head of the pin is crimped with a punch
6.9.2 Impeller wearing [2300]
a) As a wearing ring is inserted onto the hub of an
impeller by a shrink fit and fixed with setscrews, it
is cut out by breaking up the ring.
b) After heating a new impeller ring, it is mounted on
the impeller, then thread the set screw at the
fitting between the impeller ring and impeller hub
6.9.3 Oil baffles [4330]
a) As an oil baffle is pressed into, remove it with a
hammer
b) Press an oil baffle to locate a drain hole at the
bottom of the bearing cover into the bore of a
bearing cover by using a hammer.
6.10 Assembly
For location of parts, see section 8 drawing and parts
list. For application of tools refer to “Tool List” and
explanatory diagram. To assemble the pump reverse
the dismantling procedure previously described.
All gaskets should be replaced with new items having
the same thickness and material. Apply lubricant to
“O” rings.
At the factory, impellers and balancing drum of each
pump are given an individual dynamic balance. Then
the entire rotor, consisting of shaft, impellers, split
rings [2531.1-2], balancing drum [6230], thrust ring
[2531.3], shaft sleeves of mechanical seal, keys and
coupling nut, is assembled and dynamically balanced
as a unit. Always consider the effect on dynamic
balance when replacing or repairing rotor parts.
When deflectors [2540] and shaft sleeves of
mechanical seals are held on the shaft with set
screws, after tightening set screws firmly, punch the
set screw at two or three spots.
6.10.1 Building of Inner Element. (Rotor, Inner
Casing)
Building the inner element-should be done with the
shaft vertical.
Loose fit impeller
a) Insert the split ring [2531.1] for the 1st stage
impeller [2200.1] into the circumferential groove
in the shaft. Slide the 1st stage impeller along the
shaft with key [6700] against the spilt ring
[2531.1]. Then install the spirolox ring [6544] into
the circumferential groove in the shaft using the
sleeve (Tool List No. 22) in order to hold the
impeller in place. In installing the spirolox ring, lay
it on the sleeve (Tool List No. 22) and slide down
the sleeve with it on along the shaft until it is
home against the impeller back hub.
Shrink fit impeller
c) Insert the split ring [2531.1] for the 1st stage
impeller [2200.1] into the circumferential groove
in the shaft. Heat the impeller in an electric
furnace and slide the 1st stage impeller along the
shaft with key [6700] against the spilt ring
[2531.1]. For shrunk fit impellers, apply heat on
the impeller hub and quickly slide it onto the shaft
at the appropriate position
d) Support the suction stage piece [1460]
horizontally on a proper supporting stand.
e) Lower the shaft with the 1st stage impeller into
position of the suction stage piece [1460].
Support the weight of the shaft with blocks under
the bottom end so that it does not pull away from
the impeller.
f) Insert the first diffuser [1411] with diffuser ring
[1610], into the stage piece [1460]. In lowering
the diffuser, use lifting jig (Tool List No.12).
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
g) Move shaft up and down to check that the total
movement of the impeller.
For the value of movement, see “Rotor movement
(axial total end play)” in section 10.4 Technical Data
Sheet.
h) Assemble up to last stage in accordance with the
same procedure as described below.
i) Fit the split ring [2531.2] into the groove and the
impeller key [6700] into the keyway.
j) Slide the impeller [2200.2-11] onto the shaft until
it is home against the split ring [2531.2].
k) Heat the following stage piece [1460] and insert it
into the bore of the preceding stage piece [1460].
Make sure that the dowel pin of fitted in the
previous stage piece engages the drilled hole in
the following stage piece.
l) Insert the following diffuser [1412] into the bore of
the preceding stage piece [1460]. Make sure that
the dowel pin of fitted in the previous stage piece
engages the drilled hole in the following diffuser.
m) Test the assembly for total movement.
For the value of movement, see “Rotor movement
(axial total end play)” in section 10.4 Technical Data
Sheet.
n) Fit the split ring [2531.2] and the impeller key
[6700.2] for the last stage into the groove and the
keyway respectively. And then, slide the last
stage impeller [2200.11] onto the shaft until it is
home against the split ring.
o) Fit the last stage diffuser [1413] into the bore of
the last stage piece [1460], screw the socket
head cap screws into the tapped holes of the last
stage stage piece [1460] and fasten the last
stage diffuser [1413].
6.10.2 Balancing drum installation
Loose fit balancing drum
a) Slide the balancing drum [6230] along the shaft
with key [6700] against the last stage impeller
back hub [2200]. Insert the split-type thrust ring
[2531.3] for the balancing drum [6230] into the
circumferential groove in the shaft. Then pull the
balancing drum [6230] by using the eye bolts
(Tool List No.20) until the outboard end of it
contacts with the side face of the thrust ring
[2531.3]. Install the “O” ring [4610] and backup
ring [3645] into the circumferential groove in the
balancing drum, and attach the retainer thrust
ring with fastening the bolts [6570]. Finally, install
the spirolox ring [6544] into the circumferential
groove in the retainer thrust ring.
Shrink fit balancing drum
b) Heat the balancing drum in an electric furnace
and slide the balancing drum along the shaft with
key [6700] against the last stage impeller back
hub [2200]. Insert the split-type thrust ring
[2531.3] for the balancing drum [6230] into the
circumferential groove in the shaft. Then pull the
balancing drum [6230] by using the eye bolts
(Tool List No.20) until the outboard end of it
contacts with the side face of the thrust ring
[2531.3]. For shrunk fit balancing drum, apply
heat on the balancing drum and quickly slide it
onto the shaft at the appropriate position
c) Test the assembly for total movement.
For the value of movement, see “Rotor movement
(axial total end play)” in section 10.4 Technical Data
Sheet.
6.10.3 Installing Inner Element (Rotor assembly.
Inner Casing)
a) Attach the eye bolts (Tool List No.10) to the last
diffuser and install the shaft lug (Tool List No.4)
on the shaft near the thrust bearing. Then, fasten
it with the thrust collar nut [3712.1]
b) Lift slightly the inner element by using the eye
bolts and attach the fixing device (Tool List No15)
to the inner element (rotor assembly) using the
hookers (Tool List 8/9).
c) Lift the inner element completely out of the
support stand. Then, attach the lifting lug (Tool
List No.3) for the shaft to the shaft adjacent to the
fixing device (Tool List No.15) and move the
inner element from vertical position to horizontal
position by using the eye bolts (Tool List No.10),
the lifting lug (Tool List No.3), the shaft lug (Tool
List No.4) and crane or chain block.
d) Attach the lifting lug (Tool List No.2) to the outer
surface near the center of gravity of the inner
element and sling the inner element horizontally
as mentioned above and crane or chain block.
Next, tighten the extension sleeve (Tool List
No.1) to the coupling end of shaft. Then, remove
the lifting lug (Tool List No.3) the eye bolts (Tool
List No.10) and the fixing device (Tool List
No.14).
e) Move the inner element horizontally to the pump
casing and insert it into the bore of the casing
barrel [1100] using the lifting lug (Tool List No.2).
f) If the inner element has entered in the casing
barrel sufficiently enough be supported, screw
the centre bolts (Tool List No.18) into the last
stage diffuser[1413] and attach the coupling (Tool
List No.16) the bolts (Tool List No.19) and the
plate (Tool List No.17) to the above centre bolts.
Remove the lifting lug (Tool List No.2) from the
inner element.
g) Furthermore insert the inner element into the
casing barrel while supporting the coupling and
outboard (thrust) ends of the shaft, by utilizing
crane or block. If necessary, push the inner
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
element into the fits of the casing barrel by using
the center bolts & nuts and the plate (Tool List
No.17 & No.18).
h) If the stage piece [1460] has inserted into the fits
of the casing barrel and held in place, remove all
the tools (the extension sleeve, shaft lug, plate,
center bolts and nuts) attached to the inner
element. At this point in time, support the
coupling end of the shaft on the wooden stands
and reassemble all the parts on the discharge
(thrust) end as follows.
6.10.4 Assembling Discharge End
a) Insert the dowel pin into the reamed hole in the
last stage diffuser [1413].
b) Again inspect the high-pressure joint faces on the
barrel and discharge head to make sure they are
smooth and free from nicks or scratches which
extend across the face and therefore might cause
leakage. Also check the “spiral wound gasket”
seat face in the barrel.
c) Insert the spiral wound gasket [4590] on the seat
face in the casing barrel.
d) Insert the element spring [4260] into the last
stage diffuser [1413], using a little grease or three
bond to hold it in place.
e) Make certain that the dowel pin is fixed to the last
stage diffuser [1413].
f) Install the discharge head [1221] with the
balancing ring [1600] in place. Bring the
discharge head into position, then move forward
with extreme caution using some casing studs
[6572], nuts and washers and readjusting hoist or
crane if necessary, until the discharge head
enters smoothly into its fit in last stage diffuser,
and the discharge head pressure face is against
the mating face in the casing barrel. Secure the
discharge head to the barrel by tightening several
of the nuts before releasing the hoist or crane.
Tightening instructions for discharge head [1221]
g) Apply a suitable lubricant to the thread. Run the
nut back and forth on the stud to insure even
distribution of lubricant. Avoid lubricant build-up
between faces of nut and washer and/or
discharge head.
h) Tighten the nut and washer against the discharge
head with a hand wrench.
i) Tighten firmly the nuts with a torque wrench or
hydraulic wrench. Tightening torque refer to
recommended torque. See “Recommended
torque Table” in section 10.4 Technical Data
Sheet.
j) Nuts should be tighten in logical order, i.e. each
nut to be tightened should be nearly diametrically
opposite from the previously tightened.
k) At this point, check the total movement of the
rotor by moving the shaft toward inboard and
outboard.
For the value of movement, see “Rotor movement
(axial total end play)” in section 10.4 Technical Data
Sheet.
l) Insert the spiral wound gasket [4590] on the
gasket seat face in the discharge head [1221].
m) Install the stuffing box [4112] with the throat
bushing [4132] into the discharge head [1221].
n) Install carefully the mechanical seal with the shaft
sleeve into the stuffing box [4112] according to
the instruction manual for mechanical seal. At
this stage, mechanical seal must not be secured
on the shaft by set screws nor secured in the
stuffing box by tightening the nuts for gland
studs.
o) Insert and slide the deflector [2540] on the shaft
until they get closer to the mechanical seal.
6.10.5 Assemble Thrust Bearing
a) Stuffing box and the thrust bearing housing
[3230] with the same thickness recorded at
disassembly, install horizontal and vertical
adjusting screws in the stuffing box mounting
flange.
b) Install lower half of thrust bearing housing [3230]
to the stuffing box [4112] with taper pins and the
studs, nuts for studs have to be temporarily
fastened.
c) Wipe a film of oil on journal area of shaft. Place
lower half of journal bearing [3020] on shaft.
Wipe a film of oil on lower half of journal bearing.
Roll lower half of journal bearing into lower half of
bearing housing [3230]. Now the bearing
housing is temporarily positioned to the stuffing
box.
d) Pour a small amount of oil on journal bearing and
journal area of shaft.
Bearing housings position is pre-determined
at the factory and secured by taper pins, but the
positioning of the bearing housings by these pins has
to be confined only at the repair of mechanical seals.
At the complete overhaul of the pump, positioning of
the bearing housings has to be conducted without
these pins, but by positioning of pump rotor by the
manner described on section 6.9.7. Horizontal / Vertical Shaft Alignment.
e) Rough assembly is now completed, but the final
adjustment has to be conducted after the
temporarily positioning of the radial bearing
housing.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
6.10.6 Assembling Suction End (Coupling End)
a) Insert the spiral wound gasket [4590] on the
gasket seat face in the casing barrel [1100].
b) Install the suction head [1222] with the throat
bushing [4132] into the casing barrel [1100].
c) Install carefully the mechanical seal with the shaft
sleeve into the suction head bore [1222]
according to the instruction manual for
mechanical seal. At this stage, mechanical seal
must not be secured on the shaft by set screws
nor secured in the suction head by tightening the
nuts for gland studs.
6.10.7 Assemble Radial Bearing
a) Insert and slide the deflector [2540] on the shaft
until they get closer to the mechanical seal.
b) Install lower half of radial bearing housing [3200]
to the suction head [1222] with taper pins and the
studs, nuts for studs have to be temporarily
fastened.
c) Install both horizontal and vertical adjusting
screws in the mounting flange of suction head.
d) Wipe a film of oil on journal area of shaft. Place
lower half of journal bearing [3020] on shaft.
Wipe a film of oil on lower half of journal bearing.
Roll lower half of journal bearing into lower half of
bearing housing [3200]. Now the bearing housing
is temporarily positioned to the suction head.
e) Pour a small amount of oil on journal bearing and
journal area of shaft.
Bearing housings position is pre-determined
at the factory and secured by taper pins, but the
positioning of the bearing housings by these pins has
to be confined only at the repair of mechanical seals.
At the complete overhaul of the pump, positioning of
the bearing housings has to be conducted without
these pins, but by positioning of pump rotor by the
manner described on section 6.9.7. Horizontal / Vertical Shaft Alignment.
6.10.8 Horizontal / Vertical Shaft Alignment
a) It is mandatory necessary to check and record
the vertical lift of the rotor within the casing.
b) Place a dial indicator on the horizontal split face
of the lower radial bearing housing [3200] with
the indicator tip resting on the top of the shaft
about 80 mm (3 in) inside toward the mechanical
seal from the centre of the radial journal bearing.
c) Remove the radial side journal bearing. Zero the
indicator. Using a bar and a block of wood under
the shaft, lift the shaft and record the movement.
Both vertical and horizontal movement has to be
measured and recorded.
d) Take measurements at the thrust end of the
pump with the same manner. To do this, place
the lower half of radial side journal bearing at its
place and remove the thrust side journal bearing.
e) Designed minimum vertical movement of the
shaft for this pump is shown as vertical end play
at the radial side and the thrust side.
See “Important Clearances and Movement Table”
in section 10.4 Technical Data Sheet. Smaller
running clearance at the balancing drum makes
the movement smaller at the thrust end. If this
minimum movement is not obtained, the cause
must be investigated and corrected.
f) Make the bearing housings of both radial and
thrust sides to position at the centre of these
movements for both vertical and horizontal
directions. This can be done by removing the
taper pins, if the housings are not in correct
position, and by adjusting screws furnished on
the mounting flanges of suction head and stuffing
box.
g) Repeat step a) to e) to obtain the condition of
step f).
h) Horizontal position is now determined. Vertical
position has to be re-adjusted to lift the shaft
again by adjusting value to lift the rotor (from the
centre of vertical end play) at the radial side and t
the thrust side.
See “Important Clearances and Movement Table”
in section 10.4 Technical Data Sheet.
i) This re-adjustment is required to compensate the
deflection of the shaft in the pump and to obtain
the most desired position of the rotor in the
casing barrel. Check and rotate the shaft 2 to 3
times that it will rotate freely without any
obstruction.
k) Fasten the thrust bearing housing [3230] to the
stuffing box [4112] with the studs and nuts.
l) Fasten the radial (line) bearing housing [3200] to
the suction head [1222] with studs and nuts.
m) Set the deflectors on the inner and outer side
[2540] 1 mm (0.04 in) apart from the side face of
the oil baffle [4330] respectively, and fix them
with setscrews to the shaft. (Fig.6-1)
Deflector
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
Oil Baffle
Deflector Set
Position
Clearance
1mm
Fig. 6-1
6.10.9 Assemble of Thrust Bearing and Set
Thrust Bearing Axial End Play
a) Place shims and spacers [6196, 3645] into the
lower half of thrust bearing housing for the same
thickness of which were removed at the
disassembly.
b) Apply heat to the thrust collar [3610] up to
maximum 93°C, if it is shrink fitted, then
assemble to shaft together with key [6700].
Assemble thrust collar nut [3712.1] and bearing
nut [3712.3]. After cooled down the thrust collar,
tighten again the thrust collar nut [3712.1] and
lock nut [3712.2].
c) Push the rotor toward the coupling end as far as
it will go.
IF THE IMPELLER REACHES THE
CHANNEL RING, IT WILL BE STOPPED, DO NOT
FORCE ROTOR
d) Place a dial indicator at the end of thrust bearing
housing with the indicator tip resting on the end
of the shaft. Zero the indicator.
e) Push the rotor for both ends as far as it will go
and record the total axial movement of the rotor.
f) Pour a small amount of oil on thrust collar and
as it will go (tight against inboard thrust bearing
assembly). Check and see by the dial gage that
the rotor is positioned at the centre of the total
axial movement of the rotor. This can be
obtained by adjusting the thickness of shims
[6196, 3645].
h) After the rotor position is confirmed, install lower
half of outboard thrust bearing assembly [3032].
i) Assemble shims [6196, 3645], then assemble
bearing cover [3266].
j) Install a dial indicator on radial end bearing
housing so the indicator contracts the end of the
shaft. Push the rotor outboard (towards thrust
bearing) and set indicator at zero. Push rotor
inboard. Indicator should read the value as thrust
bearing total end play.
See “Important Clearances and Movement Table”
in section 10.4 Technical Data Sheet. Add or
remove shims [6196, 3645] to obtain proper
endplay. Now to centralize rotor axially and to
set thrust bearing axial end play is completed.
k) Disassemble the bearing cover [3266].
l) Assemble the upper half of journal bearing
[3020], upper half of inboard and outboard thrust
bearing [3032].
m) Ensure bearing housing upper and lower half
parting flange surfaces are clean and free of old
jointing. Coat with a thin layer of liquid packing.
n) Assemble upper half of thrust bearing housing to
bearing lower half and to the stuffing box. Install
a) Assemble bearing cover [3266] to thrust bearing
housing with the gasket [4590] and seal ring
[4305] on the bearing cover and tighten bolts.
b) Fit the key [6700] into thrust end of shaft and
Lovejoy coupling.
c) Assemble oil pump to bearing cover [3266] with
gasket [4590] on the bearing cover and tighten
bolts
Phase disk is fitted on thrust end of shaft
a) Assemble bearing cover [3266] to thrust bearing
housing with the gasket [4590] and seal ring
[4305] on the bearing cover and tighten bolts.
b) Slide the phase disk along the shaft with key
[6700] against the shoulder of shaft and fasten
thrust collar nut [3712.1] by using lock nut wrench
(Tool List No.8). And then install bearing washer
and fasten bearing nut [3712.3] by using the
hooker (Tool List No.8). In order to prevent the
bearing nut from loosing, insert the lip of the
bearing washer into the shaft keyway and bend a
tongue of the washer into the slot of the bearing
nut.
c) Assemble bearing end cover [3266.2] to bearing
cover [3266.1] with gasket [4590] on the bearing
end cover and tighten bolts
6.10.10 Assemble of Radial Bearing
a) Assemble the upper half of journal bearing
[3020].
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
b) Ensure bearing housing upper and lower half
parting flange surfaces are clean and free of old
jointing. Coat with a thin layer of liquid packing.
c) Assemble upper half radial bearing housing to
bearing lower half and to the suction head.
Install dowel pins and tighten cap screws to the
specified torque value.
6.10.11 Final Assembly and Adjustment
a) Check and rotate the shaft 2 to 3 times by hand
or by strap-wrench that it will rotate freely without
any obstruction.
DO NOT ROTATE THE SHAFT
EXCESSIVELY INTERNAL PARTS DEPEND ON
THE LIQUID BEING PUMPED FOR LUBRICATION.
b) Fasten the mechanical seals to the suction head
[1222] and the stuffing box [4112] with studs and
nuts. Securely fasten the set screws on the
stopper rings of mechanical seal sleeves.
BEFORE STARTING THE PUMP
MAKE SURE THAT THE SETTING PLATES OF
MECHANICAL SEALS ARE AWAY FROM THE
SLOTS MADE ON SLEEVES AND FIXED ON THE
MECHANICAL SEAL COVERS.
c) Assemble the auxiliary pipings, instruments and
lead wires which are removed at the
disassembly. If thermocouples are equipped for
the thrust bearings, special care must be taken
that the sensor tip will not disturb the free
movement of the thrust shoes.
d) Install the coupling half on the pump shaft.
e) Align from the pump to the driver. (Refer to 3-4
“Coupling Alignment”)
f) Install the coupling spacer and coupling guard.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
7 FAULTS; CAUSES AND REMEDIES
FAULT SYMPTOM
Pump overheats and seizes
Bearings have short life or are damaged
Pump vibrates or is noisy
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Mechanical seal has short life
Mechanical seal leaks excessively
Pump requires excessive power
Pump loses prime after starting
Insufficient pressure developed
Insufficient capacity delivered
Pump does not deliver liquid
PROBABLE CAUSESPROBABLE REMEDIES
Pump not primed.
Pump or suction pipe not completely filled
with liquid.
Suction lift too high or level too low.
Insufficient margin between suction pressure
and vapor pressure.
Excessive amount of air or gas in liquid. Check and purge pipes and system.
Air or vapor pocket in suction line. Check suction line design for vapour pockets.
Air leaks into suction line. Check suction pipe is airtight.
Air leaks into pump through mechanical seal,
sleeve joints, casing joint or pipe plugs.
Discharge or suction valve is closed. Open the valve.
Suction valve too small. Investigate replacing the Suction valve.
Suction valve, strainer or suction piping
partially clogged.
Inlet of suction pipe insufficiently submerged. Check out system design.
Speed too low. CONSULT FLOWSERVE.
Speed too high. CONSULT FLOWSERVE.
Total head of system higher than differential
head of pump.
Total head of system lower than pump design
head.
Specific gravity of liquid different from design.
Viscosity of liquid different from that for which
designed.
Operation at very low capacity.
Operation at high capacity.
A. System troubles
Check complete filling. Vent and/or prime.
Check NPSHa>NPSHr, proper submergence,
looses at strainers/fittings.
Check and replace faulty parts.
CONSULT FLOWSERVE.
Clean Suction valve, strainer, suction piping.
Check system losses. Remedy or CONSULT
FLOWSERVE.
Check and CONSULT FLOWSERVE.
Measure value and check minimum permitted.
Remedy or CONSULT FLOWSERVE.
Measure value and check maximum permitted.
Remedy or CONSULT FLOWSERVE.
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BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
FAULT SYMPTOM
Pump overheats and seizes
Bearings have short life or are damaged
Pump vibrates or is noisy
Mechanical seal has short life
Mechanical seal leaks excessively
Pump requires excessive power
Pump loses prime after starting
Insufficient pressure developed
Insufficient capacity delivered
Pump does not deliver liquid
PROBABLE CAUSESPROBABLE REMEDIES
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Misalignment due to pipe strain.
Improperly designed foundation.
Shaft bent.
Rotating part rubbing on stationary part
internally.
Foreign materials enter into clearance
between rotating part and stationary part.
Bearings worn Replace bearings.
Wearing ring surfaces worn. Replace worn wear ring/surfaces.
The typical general arrangement drawing and any
specific drawings required by the contract will be sent
to the Purchaser separately unless the contract
specifically calls for these to be included into the User
Instructions. If required, copies of other drawings
sent separately to the Purchaser should be obtained
from the Purchaser and retained with these User
Instructions.
9 CERTIFICATION
Certificates determined from the Contract requirements
are provided with these Instructions where applicable.
Examples are certificates for CE marking, ATEX
marking etc. If required, copies of other certificates sent
separately to the Purchaser should be obtained from
the Purchaser for retention with these User Instructions.
10 OTHE RELEVANT DOCMENTS AND
MANUALS
10.1 Supplementary User Instruction
manuals
Supplementary instruction determined from the contract
requirements for inclusion into User Instructions such as
for a driver, instrumentation, controller, sub-driver, seals,
sealant system, mounting component etc are included
under this section. If further copies of these are
required they should be obtained from the purchaser for
retention with these User Instructions.
Where any pre-printed set of User Instructions are
used, and satisfactory quality can be maintained only
by avoiding copying these, they are included at the
end of these User Instructions such as within a
standard clear polymer software protection envelope.
10.2 Change notes
If any changes, agreed with Flowserve Pump
Division, are made to the product after its supply, a
record of the details should be maintained with these
User Instructions.
10.3 Additional sources of information
Reference 1:
NPSH for Rotordynamic Pumps: a reference guide,
Europump Guide No. 1, Europump & World Pumps,
Elsevier Science, United Kingdom, 1999.
Reference 2:
Pumping Manual, 9
Elsevier Advanced Technology, United Kingdom, 1995.
Reference 3:
Pump Handbook, 2
McGraw-Hill Inc., New York, 1993.
Reference 4:
ANSI/HI 1.1-1.5. Centrifugal Pumps - Nomenclature,
Definitions, Application and Operation.
Reference 5:
ANSI B31.3 - Process Piping.
th
edition, T.C. Dickenson,
nd
edition, Igor J. Karassik et al,
Page 42 of 44 flowserve.com
BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)
10.4 Technical Data Sheet
10.4.1 Diametrical Running Clearances
Suction Head Ring and Impeller Ring(1ST
Front)
Diffuser Rings and Impeller
Rings(2
Diffuser Rings and Impeller Back
Hubs(1
ND
~11TH)
ST
~10TH)
0.530 ~ 0.659 (0.021 ~ 0.026) 0.989 (0.039)
0.530 ~ 0.659 (0.021 ~ 0.026) 0.989 (0.039)
0.450 ~ 0.614 (0.018 ~ 0.024) 0.921 (0.036)
Design readings
mm (in)
Balancing Ring and Balancing Drum 0.360 ~ 0.434 (0.014 ~ 0.017) 0.651 (0.026)