Tartarini BM7 Series Slam-Shut Valves Manuals & Guides

Instruction Manual
TM
D103665X012
October 2014 - Rev. 00
BM7 Series Slam-Shut Valve
SUMMARY
Introduction ........................................................................ 1
Characteristics ................................................................... 2
BM7 Series
Atex Requirements ............................................................ 3
Dimensions and Weights ................................................... 4
Installation ......................................................................... 4
Startup ............................................................................... 5
OS/66 Slam-Shut Controller Adjustment ........................... 5
Spare Parts ........................................................................ 6
INTRODUCTION
Scope of Manual
Figure 1. BM7 Series Slam-Shut Valve
Product Description
The BM7 Series slam-shut valves are automatic isolating elements suitable for installation as safety devices in regulating stations.
The slam-shut valves in the BM7 series are used in ltered
natural gas reduction stations.
This product has been designed to be used with fuel gases of 1st and 2nd family according to EN 437, and with other non aggressive and non fuel gases. For any other gases, other than natural gas, please contact your local sales agent.
The slam-shut valves used in the assemblies dealt with into EN 12186 and EN 12279 are considered standard gas pressure devices.
In the safety slam-shut valves manufactured by Emerson Process shall be used additional pressure accessories (e.g.
controller or lters) manufactured and labeled by Emerson
Process.
Emerson Process will be not responsible for any possible
inefciency due to installation of not own production
additional pressure accessories.
This manual provides instructions for installation, startup, maintenance and spare parts ordering for the BM7 Series slam-shut valves.
When pressure containing parts of the product have different
maximum allowable pressures (PS), the slam-shut valve is
differential strength type.
BM7 Series
PED CATEGORIES AND FLUID GROUP
According to EN 14382, only in Class A conguration (when both over and under pressure protections are set up), this slam-shut valve can be classied like a safety accessory
according to PED.
The minimum PS between SSD valve and controller shall be the PS of the safety accessory to comply the provisions of EN 14382 about integral strength type.
This product in its Class A conguration is a safety
accessory for pressure equipment in the following Pressure Equipment Directive 97/23/EC categories.
For values of PS over 6 bar the BM7 slam-shut is differential strength.
Table 1. P.E.D. Category for BM7 Series Slam-Shut Valves
PRODUCT SIZE CATEGORY FLUID GROUP
DN 1 1/2” - 2” and DN 40-50 IV 1
Built-in pressure accessories (OS/66 controller) conform to Pressure Equipment Directive (PED) 97/23/EC Article
3 section 3 and were designed and manufactured in
accordance with sound engineering practice (SEP).
Per Article 3 section 3, these “SEP” products must not bear
the CE marking.
Minimum/Maximum Allowable Temperature (TS)
(1)
See label.
1. The pressure/temperature limits indicated in this instruction manual or any applicable standard or code limitation should not be exceeded.
Functional Features
Accuracy Class AG : ± 1%
Response Time ta : ≤ 1 second
Temperature
Standard Version: Working -10° to 60°C
Low Temperature Version: Working -20° to 60°C
Materials
Threaded body: Spheroidal cast iron
Flanged body: Spheroidal cast iron or steel
Covers: Aluminium
Seat: Bras
Diaphragm: Fabric Nitrile (NBR) rubber
CHARACTERISTICS
Body Sizes and End Connection Styles
DN 1 1/2” - 2” GAS
DN 40 - 50 PN 16
DN 50 ANSI 150 (on request)
WARNING
!
Maximum Operating Inlet Pressure
p
= 14 bar
u,max
Version with OS/66 controller
Underpressure Set Range
0.007 to 0.45 bar
Overpressure Set Range
0.022 to 0.6 bar
Version with OS/66-AP controller
Underpressure Set Range
0.1 to 2.5 bar
Overpressure Set Range
0.2 to 5 bar
(1)
LABELLING
Notified
APPARECCHIO TIPO / DEVICE TYPE
BOLOGNA ITALY
TARTARINI
MATRICOLA / ANNO SERIAL Nr. / YEAR
REAZIONE FAIL SAFE MODE
NORME ARMONIZ. HARMONIZED STD.
CLASSE DI PERDITA LEAKAGE CLASS
CLASSE FUNZIONALE FUNCTIONAL CLASS
FLUIDO GRUPPO FLUID GROUP
TS °C
TM
FAIL OPEN
EN
Note 3
Note 4Note 5
Figure 2. Label for BM7 Series Slam-Shut Valves
Note 1: See “Characteristics”
Note 2: Year of manufacture
Note 3: Class A or Class B
Only valves with overpressure and underpressure
settings can be classied in Class A.
Note 4: Class 1: -10°/60°C
Class 2: -20°/60°C
Note 5: PS: 14 bar
PSD: 6 bar
(differential strength congurations)
body
xxxx
DN1
Note 2
/
FAIL CLOSE
TIPO TYPE
Cg
pmax
1
PS
DN2
Wds
Wdso
Wdsu
bar
bar x PS barPSD PT=Bar
DN seat DN sede
Note 1
Note 5
pdo
bar
bar
bar
bar
1.5
2
Series BM7
OVERPRESSURE PROTECTION
The recommended maximum allowable pressures are stamped on the slam-shut valve label.
Upstream overpressure protection shall be provided if the inlet pressure is greater than the maximum operating inlet pressure (p
(PS, PSD).
) and than the maximum allowable pressure
u,max
Downstream side pressure after slam-shut valve’s intervention shall stay within the actual maximum operating
set-up range to avoid anomalous back pressures that can
damage the slam-shut controller.
Downstream overpressure protection shall be also provided if the slam-shut valve outlet pressure can be greater than the
PS of the slam-shut controller (differential strength type).
Slam-shut valve operation below the maximum pressure limitations does not preclude the possibility of damage from external sources or debris in the line.
The slam-shut valve should be inspected for damage after any intervention
TRANSPORT AND HANDLING
Established transport and handling procedures shall be followed to avoid any damage on the pressure containing
parts by shocks or anomalous stresses.
Built-up sensing lines and slam-shut controller shall to be
protected by shocks or anomalous stresses
In any case,
provisions of Directive 1999/92/EC and 89/655/EC shall be enforced by gas pressure regulating/measuring station/ installation’s end user
with a view to preventing and providing protection against explosions, technical and/or organizational measures
appropriate to the nature of the operation shall be taken (e.g. : lling/exhausting of fuel gas of internal volume
of the isolated part/entire installation with vent lines to safe area - 7.5.2 of EN 12186 & 7.4 of EN 12279 ; monitoring of settings with further exhaust of fuel gas to safe area ; connection of isolated part/entire installation to
downstream pipeline; ….)
provision in 9.3 of EN 12186 & 12279 shall be enforced by
pressure regulating/measuring station/installation’s end user
external tightness test shall be carried out after each reassembly at installation site using testing pressure in accordance with national rules
• periodical check/maintenance for surveillance shall be
carried out complying with national regulations, if any, and
specic manufacturer recommendations.
SLAM-SHUT CONTROLLER
The following controllers are used with B/240 series regulator with built-in slam-shut:
OS/66 Series spring loaded controllers
ATEX REQUIREMENTS
WARNING
!
If the provisions of EN 12186 & EN 12279,
national regulations, if any, and specic
manufacturer recommendations are not put into practice before installation and if purge by inert gas is not carried out before equipment’s start-up and shut-down operations, a potential external and internal explosive atmosphere can be present in equipment & gas pressure regulating/ measuring stations/installations.
If a presence of foreign material in the pipelines is foreseen and purge by inert gas is not carried out, the following procedure is recommended to avoid any possible external ignition source inside the equipment due to mechanical
generated sparks:
drainage to safe area via drain lines of foreign materials, if any, by inow of fuel gas with low velocity in the pipe-work (5m/sec)
Figure 3. OS/66 Slam-Shut Controller
Table 2. OS/66 Characteristics
MODEL
OS/66 6 0.022 0.6 0.007 0.45
OS/66-AP 6 0.2 5 0.1 2.5
BODY
RESISTANCE
bar
OVERPRESSURE
SET RANGE
bar
W
do
Min. Max. Min. Max.
UNDERPRESSURE
SET RANGE
W
bar
du
Materials
Body: Aluminium
Cover: Steel
Diaphragm: NBR rubber
For further informations please 0048EN-OS66-IM.
see the Instruction Manual
3
BM7 Series
DIMENSIONS AND WEIGHTS
Version 1 Version 2
A
Ø 125
160
CB CB
I
A
Ø 125
160
Version 3
I
184
Figure 4. Type BM7 Series Dimensions
Table 3. Type BM7 Series Dimensions (mm) and weights (kg)
TYPE A B C I Version Weight
BM7/ 1 1/2” 165 57 90 130 2 3
BM7/40-FS 165 57 90 184 3 7
BM7/2” 190 85 120 160 2 5
BM7/50-F 195 90 125 190 1 13
INSTALLATION
Ensure that the data found on the slam-shut valve label are compatible with usage requirements.
• Make sure that slam-shut controller is installed up-right.
Ensure that the slam-shut valve is mounted in accordance with the direction of ow indicated by the arrow.
• Make the connection of the pressure control pipe (B), taking it off a straight section of the downstream pipe, if
possible far from narrow sections, curves, or branches, to avoid variations in the release values of slam-shut device caused by turbulence.
Only qualied personnel should install or
service a slam-shut valve. Slam-shut valve should be installed, operated, and main­tained in accordance with international and applicable codes and regulations.
If the slam-shut valve vents uid or a leak
develops in the system, it indicates that ser­vicing is required.
WARNING
!
4
Series BM7
Failure to take the slam-shut valve out of
service immediately may create a hazardous condition.
Personal injury, equipment damage, or
leakage due to escaping uid or bursting
of pressure-containing parts may result if this slam-shut valve is overpressured or is installed where service conditions could exceed the limits given in the “Characteris­tics” section, or where conditions exceed any ratings of the adjacent piping or piping connections.
To avoid such injury or damage, provide pressure-relieving or pressure-limiting de­vices (as required by the appropriate code, regulation, or standard) to prevent service conditions from exceeding limits.
Additionally, physical damage to the slam-shut valve could result in personal injury and prop-
erty damage due to escaping uid.
such injury and damage, install the slam­shut valve in a safe location.
Before installation, check shall be done if
service conditions are consistent with use limitations and if its slam-shut device set-up is in accordance with service conditions of protected equipment.
All means for venting have to be provided in the assemblies where the pressure equip­ment are installed (ENs 12186 & 12279).
To avoid
Install the slam-shut valve in any position
desired, unless otherwise specied, but be sure ow through the body is in the direction
indicated by the arrow on the body.
User has to check and carry out any protection suitable for assembly’s specic environment.
For outdoor installations, the slam-shut valve should be located away from vehicular
trafc and positioned so that water, ice, and
other foreign materials cannot enter into the pilot mechanism.
Avoid placing the slam-shut valve beneath eaves or downspouts, and be sure it is above the probable snow level.
STARTUP
The built-in slam-shut controller is factory set at approximately the midpoint of the spring range or the pressure requested, so an initial adjustment may be required to obtain desired results.
a. loose
b.
c.
d.
ning cap (C) and then screwing it onto the stem, after
which pull cap outwards until a click is heard, indicating
that balls are duly engaged.
Slightly and very slowly open inlet shut-off valve.
Wait for outlet pressure to stabilize.
Finally, slowly
open outlet valve fully.
All means for draining have to be provided in the equipment installed before the slam-shut valve (ENs 12186 & 12279).
Further the ENs 12186 & 12279, where this product is used:
• Provide the cathodic protection and elec­trical isolation to avoid any corrosion
• In accordance with clause 7.3/7.2 of afore­said standards, the gas shall be cleaned by
proper lters/separators/scrubbers to avoid
any technical & reasonable hazard of erosion or abrasion for pressure containing parts
Slam-shut valve shall be installed in
non-seismic area and hasn’t to undergo re
and thunderbolt action.
Clean out all pipelines before installation of
the slam-shut valve and check to be sure the
slam-shut valve has not been damaged or has collected foreign material during shipping.
Use suitable line gaskets and approved pip­ing and bolting practices.
Installation must to be done avoiding anoma­lous stresses on the body and using suitable
joint means (bolts, anges, …) according
equipment dimensions and service conditions.
OS/66 SLAM-SHUT CONTROLLER ADJUSTMENT
To change the set-points (overpressure and/or
underpressure), remove the spring closing cap of the pilot and turn the adjusting screws clockwise to increase outlet pressure or counter-clockwise to decrease pressures.
Monitor the outlet pressure with a test gauge during the adjustment.
Replace the closing cap to maintain the desired setting
SHUTDOWN
WARNING
!
To avoid personal injury resulting from sudden release of pressure, isolate the slam-shut valve from all pressure before attempting disassembly and release trapped pressure from the equipment and pressure line. case of disassembly of main pressure
retaining parts for checks and maintenance
procedures, external and internal tightness tests have to be done according to applicable codes.
In
5
BM7 Series
MAINTENANCE (SEE FIGURE 5)
WARNING
!
All maintenance procedures must be carried
out only by qualied personnel.
If necessary, contact our after sale support representatives or our authorized dealers.
The valve and it’s pressure accessories are subject to normal wear and must be inspected periodically and replaced if necessary.
The frequency of inspection/checks and replacement
depends upon the severity of service conditions and according to applicable National or Industry codes, standards and regulations/recommendations.
In accordance with applicable National or Industry codes, standards and regulations/recommendations, all hazards
covered by specic tests after nal assembling before applying the CE marking, shall be covered also after
every subsequent reassembly at installation site, in order to ensure that the equipment will be safe throughout its intended life.
Before proceeding with any maintenance work, shutoff the
gas upstream and downstream from the valve, also ensure that there is no gas under pressure inside the body by loosening the upstream and downstream connections.
d. Check and replace if is necessary the O-ring (key 2, 5, 6,
10, 16) and the pad Unit (key 12).
For the OS/66 maintenance please Manual
0048EN-OS66-IM.
see the Instruction
Reassembly
Lubricate all seals with MOLYKOTE 55 M or equivalent, being very careful not to damage them when reassembling.
Reassemble the parts by reversing the above steps.
As you proceed, make sure that parts move freely and
without friction.
In addition:
a. Complete reassembly and make sure to tighten all screws
uniformly.
b. Upon completion of reassembling procedure, adjust slam
shut valve set-points and check valve relatching.
c. Reassemble the valve on the line and restore the
connections.
SPARE PARTS
Spare parts storage shall be done by proper procedures according to national standard/rules to avoid over aging or
any damage (Ref.:ISO2230).
Upon completion, check for leaks using suds.
General Maintenance
a. Remove the OS/66 (key 26) by the suitable sprigs.
b. Unscrew plug (key 8), for BM//2”-F version remove it by
removing the screws (key 23).
c. Remove the screw (key 19), remove the clamp (key 18)
and remove the seat (key 1).
TROUBLESHOOTING
Table 6. Troubleshooting for BM7 Series Slam-Shut Valve
SYMPTOMS CAUSE ACTIONS
The actuator impulse intake (B) is not
Slam-shut device does not remain set
Sleeve does not seal properly
Downstream pressure coincides with the
maximum or minimum slam-shut settings
Slam-shut controller is not working properly Check slam-shut controller
Pad unit (key 12) is worn Replace pad unit
Dirt deposit on seat (key 1) Check seat
connected properly
Check connections (A)
Check slam-shut settings
6
Series BM7
PARTS LIST
Key Description
1 Seat
2* O-ring
3 Filter
4 Shaft
5* O-ring
6* O-ring
7 Spring carrier
8 Plug
9 Spring
10* O-ring
11 Pad holder
12* Pad unit
13 Elastic ring
14 Screw
15 Body
16* O-ring
17 Cap
18 Clamp
19 Screw
20 washer
21 Nut
22 Pipe tting
23 Screw
24 Washer
25 Label
26 Slam-shut controller OS/66
27 Plug
28* Gasket
29 Sliding ange
30 Hub
31 O-ring
Rubber parts marked with (*) are supplied in the “spare parts kit”, recommended as stock.
To order the kit it is necessary to communicate to
us the type of the slam-shut valve or slam-shut controller and its serial number.
18
19
20
21
45612
11 915 1317 16 10 812
27 28 1423 24
Section A-A
25
26
C
B
7
22
AA
BM7/2” Version
12
38
BM7/1 1/2” and BM7/40-FS Version BM7/40-FS Version
12
Figure 5. BM7 Series Slam-Shut Valve
3
8
29 30 31
7
Serie BM7
Industrial Regulators
Emerson Process Management Regulator Technologies, Inc.
USA - Headquarters
McKinney, Texas 75070, USA Tel: +1 800 558 5853 Outside U.S. +1 972 548 3574
Asia-Pacic Shanghai 201206, China Tel: +86 21 2892 9000
Europe
Bologna 40013, Italy Tel: +39 051 419 0611
Middle East and Africa
Dubai, United Arab Emirates Tel: +971 4811 8100
Natural Gas Technologies
Emerson Process Management Regulator Technologies, Inc.
USA - Headquarters
McKinney, Texas 75070, USA Tel: +1 800 558 5853 Outside U.S. +1 972 548 3574
Asia-Pacic Singapore 128461, Singapore Tel: +65 6777 8337
Europe
O.M.T. Tartarini s.r.l. Via P. Fabbri 1, I-40013 Castel Maggiore (Bologna), Italy Tel: +39 051 419 0611 Francel SAS, 3 ave Victor Hugo, CS 80125 - Chartres 28008, France Tel: +33 2 37 33 47 00
TESCOM
Emerson Process Management Tescom Corporation
USA - Headquarters
Elk River, Minnesota 55330-2445, USA Tels: +1 763 241 3238 +1 800 447 1250
Asia-Pacic Shangai 201206, China Tel: +86 21 2892 9499
Europe
Selmsdorf 23923, Germany Tel: +49 38823 31 287
Middle East and Africa
Dubai, United Arab Emirates Tel: +971 4811 8100
For further information visit www.emersonprocess.com/regulators
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express or implied, regarding the products or services described herein or their use or applicability. We reserve the right to modify or improve the designs or specications of such products at any
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