Flowserve ERPN-M User Manual
USER INSTRUCTIONS
ERPN-M centrifugal pumps
Installation
Operation
Horizontal, End Suction Magnetic Driven
PCN=71569270, 71569272, 71569273 02-08 (E)
Original Instructions
Maintenance
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
Type: ERPN-M
Size:
Serial No: G208xxx
Customer:
Customer Order No.:
Equipment/ Item No.:
Pumped Liquid:
Capacity: m³/h
Minimum Capacity: m³/h
Head: mFs
Speed: U/min
-1
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
CONTENTS
PAGE
1.0 INTRODUCTION AND SAFETY............................4
1.1 GENERAL.................................................................4
1.2 CE MARKING AND APPROVALS................................4
1.3 DISCLAIMER.............................................................4
1.4 COPYRIGHT .............................................................4
1.5 DUTY CONDITIONS...................................................4
1.6 SAFETY....................................................................5
1.7 WARNING LABEL......................................................9
1.8 SPECIFIC MACHINE PERFORMANCE.......................10
1.9 NOISE LEVEL.......................................................... 10
2.0 TRANSPORT AND STORAGE............................12
2.1 CONSIGNMENT RECEIPT AND UNPACKING............. 12
2.2 HANDLING..............................................................12
2.3 LIFTING .................................................................. 12
2.4 STORAGE...............................................................13
2.5 RECYCLING AND END OF PRODUCT LIFE ...............13
3.0 DESCRIPTION........................................................13
3.1 CONFIGURATION....................................................13
3.2 NOMENCLATURE.................................................... 13
3.3 DESIGN OF MAJOR PARTS ..................................... 13
3.4 PERFORMANCE AND OPERATING LIMITS ...............14
7.0 AUXILIARIES.......................................................... 30
8.0 FAULTS; CAUSES AND REMEDIES .................32
9.0 CERTIFICATION.................................................... 33
10.0 OTHER RELEVANT DOCUMENTATION AND
MANUALS...................................................................... 33
7.1 SECONDARY SEAL................................................. 30
7.2 CHANGING OF SECONDARY SEAL.......................... 30
7.3 SEAL AND SEAL SYSTEMS .....................................30
10.1 SUPPLEMENTARY USER INSTRUCTIONS.............. 33
10.2 CHANGE NOTES................................................... 33
10.3 ADDITIONAL SOURCES OF INFORMATION............ 34
10.4 ABBREVIATIONS ..................................................35
4.0 INSTALLATION ......................................................14
4.1 LOCATION .............................................................. 14
4.2 PART ASSEMBLIES ................................................14
4.3 FOUNDATION .........................................................14
4.4 INITIAL ALIGNMENT ................................................15
4.5 PIPING....................................................................16
4.6 ELECTRICAL CONNECTIONS ..................................16
4.7 FINAL SHAFT ALIGNMENT CHECK...........................16
5.0 COMMISSIONING START-UP, OPERATION
AND SHUTDOWN........................................................ 16
5.1 PRECOMMISSIONING PROCEDURE ........................ 17
5.2 PUMP LUBRICANTS................................................17
5.3 IMPELLER CLEARANCE........................................... 22
5.4 DIRECTION OF ROTATION ......................................22
5.5 GUARDING.............................................................22
5.6 PRIMING AND AUXILIARY SUPPLIES ....................... 22
5.7 STARTING THE PUMP............................................. 22
5.8 OPERATION............................................................22
5.9 STOPPING AND SHUTDOWN .................................. 22
5.10 HYDRAULIC, MECHANICAL AND ELECTRICAL DUTY
.....................................................................................23
6.0 MAINTENANCE...................................................... 23
6.1 GENERAL...............................................................23
6.2 MAINTENANCE SCHEDULE..................................... 24
6.3 SPARE PARTS........................................................24
6.4 RECOMMENDED SPARES....................................... 26
6.5 FASTENER TORQUES.............................................26
6.6 SETTING IMPELLER CLEARANCE............................27
6.7 DISASSEMBLY........................................................27
6.8 EXAMINATION OF PARTS........................................ 28
6.9 ASSEMBLY ............................................................. 29
Page 3 von 37
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
1.3 Disclaimer
1.0 INTRODUCTION AND SAFETY
1.1 General
These Instructions must always be kept
close to product's operating location or directly
with the product.
Flowserve's 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.
Information in these User Instructions is believed
to be reliable. In spite of all the efforts of
Flowserve Pump Division 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 Flowserve's 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.
These instructions should 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.
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.
To establish Approvals and if the product itself is CE
Marked check the serial number plate and the
Certification.
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,
temperature or duty) it is requested that the user
seeks Flowserve´s written agreement before start up.
Page 4 von 37
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 markin gs
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 "strong magnetic
field" safety instructions where non-compliance would
affect personal safety, pacemakers, instruments or
stored data sensitive to magnetic fields.
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
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 co-ordinate repair activity with operations and
health and safety personnel, and follow all plant
safety requirements and applicable safety and health
laws/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 products
used in potentially explosive atmospheres
section 1.6.4 also applies.
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.
ONLY CHECK DIRECTION OF
MOTOR ROTATION WITH COUPLING ELEMENT/
PINS REMOVED
Starting in reverse direction of rotation will damage
the pump.
This symbol indicates explosive atmosphere
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.
The sign is not a safety symbol but
indicates an important instruction in the assembly
process.
This symbol indicates potential risks
connected with extremely high temperatures.
This symbol indicates potential risks
connected with extremely low temperatures.
ENSURE CORRECT
LUBRICATION
(See section 5 Commissioning, startup, operation and
shutdown.)
START THE PUMP WITH
OUTLET VALVE PART OPENED
(Unless otherwise instructed at a specific point in the
user instructions.)
This is recommended to avoid the risk of overloading
and damaging the pump motor at full or zero flow.
Pumps may be started with the valve further open
only on installations where this situation cannot
occur. Pump outlet valve shall be adjusted to comply
with the duty following the run-up process (See
section 5 Commissioning, startup, operation and
shutdown).
START THE PUMP WITH
OUTLET VALVE FULLY OPEN
This is recommended to avoid the risk of overloading
and damaging the pump motor where greater power
is taken at low or shut off flow. Pump outlet valve
shall be adjusted to comply with the duty following the
Page 5 of 37
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
run-up process (See section 5 Commissioning,
startup, operation and shutdown).
NEVER RUN THE PUMP DRY
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 magnets and/or bearings.
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 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
overheating of the pump, instability and
cavitation/vibration.
When ambient temperatures are
likely to drop below freezing point, the pump and any
cooling and flushing arrangements must be drained
or otherwise protected.
pump/bearing life,
NEVER DO MAINTENANCE WORK WHILST THE
UNIT IS CONNECTED TO POWER
HAZARDOUS LIQUIDS
When the pump is handling hazardous liquids care
must be taken to avoid exposure to the liquid by
appropriate sitting 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.
DRAIN 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 °C (482 ºF), partial decomposition of fluoroelastomers (example: Viton) will occur . In this
condition these are extremely dangerous and skin
contact must be avoided.
GUARDS MUST NOT BE REMOVED WHILE
PUMP IS OPERATIONAL
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 b e
avoided.
HIGH MAGNETIC FIELDS
Persons working with permanent parts must be made
aware that there is a potential danger from magnetic
fields e.g. influence on heart pacemakers, credit
cards, computers, computer tapes/discs and
watches.
Great care must be taken when working with or
assembling/ dismantling magnetic rotors because of
the very high forces which can be created by the
magnets.
When shipping raw or bare magnet assemblies,
especially by air, special precautions may be
necessary.
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
heavy pieces above 25 kg (55 lbs) use a crane
corresponding to the mass and in accordance with
current local regulations.
NEVER APPL Y 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, they
must
be shielded to avoid accidental contact. If
complete protection is not possible, the machine
access must be limited to maintenance staff only.
Note: bearing housings must not be insulated and
drive motors and bearings may be hot.
If the temperature is greater than 68 °C (175 °F) or
below 5 °C (20 °F) in a restricted zone, or exceeds
local regulations, action as above shall be taken.
1.6.4 Products used in potentially explosive
atmospheres
Measures are required to:
• Avoid excess temperature
Page 6 of 37
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
• 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.
Both electrical and non-electrical equipment must
meet the requirements of European Directive
94/9/EC.
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 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 drive (VFD) can
cause additional heating affects in the motor and so,
for pump sets with a VFD, the ATEX Certification for
the motor must state that it covers the situation where
electrical supply is from the VFD. This is particular
requirement still applies even if the VFD is in a safe
area.
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 IIC135ºC (T4)
Equipment Group
I = Mining
II = Non-mining
Category
2 or M2 = High level protection
3 = normal level of protection
Gas and/or Dust
G = Gas; D= Dust
c = Constructional safety
(in accordance with En13463-5)
Gas Group (Equipment Category 2 only)
IIA – Propane (Typical)
IIB – Ethylene (Typical)
IIC – Hydrogen (T y pical)
Maximum surface temperature (Tempe rature 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 °C (104 °F); 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 limit of liquid
handled (* depending on
material and construction
variant - check which is
lower)
Consult Flowserve
Consult Flowserve
110 °C (230 °F) *
175 °C (347 °F) *
270 °C (518 °F) *
350 °C (662 °F) *
Temperature
class to
EN 13463-1
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)
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.
Page 7 of 37
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
Avoid mechanical, hydraulic or electrical overload by
using motor overload trips or a Power Monitor and
make routine vibration monitoring.
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 Additional requirements for pumps with
magnetic drive
It is recommended for users to fit a temperature
monitor in the magnetic drive bearing/shell area when
pumping liquids with solids content or liquids that can
polymerize or freeze.
In unmanned locations where a magnetic drive is
used it is advisable to fit a vibration monitor.
1.6.4.5 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 (eg liquid
detection or a Power Monitor).
To avoid potential hazards from fugitive emissions of
vapour or gas to atmosphere the surrounding area
must be well ventilated.
1.6.4.6 Preventing sparks
To prevent a potential hazard from mechanical
contact the coupling guard must be non-sparking and
anti-static.
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 nonmetallic surfaces with a dry cloth; ensure cloth is
damp.
The coupling must be selected to comply with
94/9/EC and correct alignment must be maintained.
1.6.4.7 Preventing leakage
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.
If leakage of liquid to atmosphere can result in a
hazard, the installation of a liquid detection device is
recommended.
1.6.4.8 Additional requirements for pumps with
magnetic drive
If protection greater than Categories 2 and M2 is
required, then liquid detection should be provided in
the bearing housing/support head.
1.6.4.9 Maintenance to the centrifugal pump 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.
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).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 magnetic coupling 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.
Page 8 of 37
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
e) Check vibration, noise level and surface
temperature at the bearings to confirm
satisfactory operation.
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.
1.7 Warning label
Page 9 of 37
1.8 Specific machine performance
For performance parameters see section 1.5, Duty
conditions. When the Contract requirement specifies
these to be incorporated into user instructions these
are included here. Where performance data has been
supplied separately to the purchaser these should be
obtained and retained with these user instructions if
required.
1.9 Noise level
When pump noise level exceeds 85 dBA attention
must be given to prevailing Health and Safety
Legislation, to limit the exposure of plant operating
personnel to the noise. The usual approach is to
control 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 machines above a
certain power level will exceed 85 dBA.
In such situations consideration must be given to the
fitting of an acoustic enclosure.
Pump noise level is dependent on a number of
factors - the type of motor fitted, the operating
capacity, pipework design and acoustic
characteristics of the building. The levels specified in
the table below are based on measurement s
according to EN ISO 3744 for pumps only and not
guaranteed.
The dBA values are ba sed on the pump only. To
consider the noise of the driver, follow the guidelines
on the attached data sheet. For driver noise levels
refer to driver manufactures instruction. They are
Sound Pressure levels at 1 m (3.3 ft) from the directly
driven pump, for "free field over a reflecting plane".
If a pump only has been purchased, for fitting with
your own driver, then the "pump only" noise levels
from the table should be combined with the level for
the driver obtained from the supplier. Consult a Noise
Specialist for this calculation.
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
For units driven by equipment other than
electric motors or units contained within enclosures,
see the accompanying information sheets and
manuals.
Page 10 of 37
A
t
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
Octave MID_BAND Frequency, HZ
Power BHP Power Kw. dB(A) Value 63 125 250 500 1K 2K 4K 8K
3 2.2 67 54 58 58 56 56 56 54 59
3.7 2.7 68 58 62 62 60 60 60 58 53
4.7 3.5 69 59 63 63 61 61 61 59 54
6 4.4 70 64 64 62 62 60 55 50 50
7.6 5.6 71 61 65 65 63 63 63 61 56
9.4 6.9 72 62 66 66 64 64 64 62 57
12 8.8 73 67 67 65 65 63 58 53 53
15 11.0 74 68 68 66 66 64 59 54 54
19 14.0 75 69 69 67 67 65 60 55 55
24 17.6 76 70 70 68 68 66 61 56 56
31 22.8 77 67 71 71 69 69 69 67 62
39 28.7 78 68 72 72 70 70 70 68 63
49 36.0 79 69 73 73 71 71 71 69 64
62 45.6 80 70 74 74 72 72 72 70 65
77 56.6 81 71 75 75 73 73 73 71 66
95 69.9 82 75 75 73 73 71 66 61 61
115 84.6 83 77 77 75 75 73 68 63 63
145 106.6 84 78 78 76 76 74 69 64 64
190 139.7 85 79 79 77 77 75 70 65 65
250 183.8 86 80 80 78 78 76 71 66 66
350 257.4 87 81 81 79 79 77 72 67 67
500 367.6 88 78 82 82 80 80 80 78 73
700 514.7 89 79 83 83 81 81 81 79 74
940 691.2 90 80 84 84 82 82 82 80 75
1100 808.8 91 81 85 85 83 83 83 81 76
Sound pressure readings are for information only and are not subject to guarantee by Flowserve.
Decibel readings do not include driver or system noise.
Pump tested at 100% of the best efficiency point at max.impeller diameter with water.
dB correc t ion for combining nois es (pum p+motor)
Difference betw een t wo
levels to be combined, dB
dd to the hig her lev el to obtain
No te :
1) The v alues showed are measure d at a distanc e of 1 mt. (horiz ont ally ) from m ajor pum p
surfa ces and 1. 5 mt . abo ve the floor.
2) The values sh own are expressed in dB.
3) For N ois e Tes t Proce dur e ref er to Work s St andard L -109-0
4) The v alues shown have b een derive d from ac tua l noise-test data and are based on the foll owin g con dit ion s :
the combi ned nois e l eve l,dB
- Equipment is located in a fre e field above a refl ec tin g plane in whic h t he reduc t io nin nois e lev el
in all direc t ions is 6db in eac h octave band fo r each dou bling of distanc e.
-
Background noise is 10dB minimum below all noise levels in each octave band.
-
T he val ues show n are at a dis
1,5 mete rs abov e the floor, usi ng a standar d pressure ref erenc e of 0,00002 new ton per squa re meter.
- Ov erall noise level, dB(A) is determ ined a t point s of max im um nois e l evel and the values o f all
mid-band frequences are basis A scale readings.
a nce of 1 meter (horiz ontally ) from the ma j or pum p surfac e and
0 1 2
3 2.5 2 1.5
6 9 10
1 0.5 0
When the requi red condit ion flow is outside the range of 75 to 1 25% BEP, a part load corre ction (PLC ) m ust be
ad ded to the nois e lev el as fo llow s:
Percent of BEP @ required
impeller diamet er
74 to 62 or 126 to 136
61 to 50 or 137 to 150 +2
49 to 38
+1
PL C in
dB
+3
+4 37 to 25
Page 1 1 of 3 7
2.0 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 the Flowserve Pump
Division and received in writing within one month of
receipt of the equipment. Latter claims cannot be
accepted.
Check any create/boxes/wrappings for any
accessories or spare parts, which 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.
ERPN-M USER INSTRUCTIONS ENGLISH 02-08
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
Four lifting lugs are provided on the baseplate to lift
the complete unit.
Take care by applying slings or ropes about
auxiliary piping and seal systems.
Bare pumps shall be lifted as shown below.
Page 12 of 37
Loading...