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Samson 3241-1-Gas, Mounting And Operating Instructions

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Samson 3241-1-Gas Mounting And Operating Instructions Download Page 1

Translation of original instructions

EB 8020-1 EN

Edition February 2020

Type 3241-1-Gas and Type 3241-7-Gas

 

Automatic Shut-off Valves for Gases

Valve class D

 and valve class E

Type 3241‑7‑Gas with Type 3963 Solenoid Valve and Type 3730 Positioner

NOTICE on the scope of this document

These mounting and operating instructions 

only apply to valves already in use.

For control valves of the valve class D, refer 

to the updated mounting and operating 

instructions 

u

 EB 8020

They can be downloaded from our website 

at  

u

 www.samsongroup.com > Service & 

Support > Downloads > Documentation

Summary of Contents for 3241-1-Gas

Page 1: ...Gas with Type 3963 Solenoid Valve and Type 3730 Positioner NOTICE on the scope of this document These mounting and operating instructions only apply to valves already in use For control valves of the...

Page 2: ...estions about these instructions contact SAMSON s After sales Service aftersalesservice samsongroup com The mounting and operating instructions for the devices are included in the scope of delivery Th...

Page 3: ...16 3 1 Fail safe positions 19 3 2 Versions 19 3 3 Technical data 19 3 3 1 Common technical data 19 3 3 2 Technical data of version for valve class D 23 3 3 3 Technical data of version for valve class...

Page 4: ...reparation for return shipment 40 7 7 Ordering spare parts and operating supplies 40 8 Malfunctions 43 8 1 Troubleshooting 43 8 2 Emergency action 44 9 Decommissioning and removal 45 9 1 Decommissioni...

Page 5: ...es Reasonably foreseeable misuse The control valve is not suitable for the following applications Use outside the limits defined during sizing and by the technical data Use outside the limits defined...

Page 6: ...ate of SAMSON actuators see actuator documentation Valve class D the safety control valves are tested according to DIN EN 161 2013 04 In the event of a malfunction the valves shut off the gas supply T...

Page 7: ...onformity which includes information about the applied conformity assessment procedure The EU declaration of conformity is included in the annex of these instructions see section 10 2 Valve class D th...

Page 8: ...NG Crush hazard arising from moving parts The control valve contains moving parts actuator and plug stem which can injure hands or fingers if inserted into the valve Do not insert hands or fingers int...

Page 9: ...depending on its properties may lead to personal injury e g chemical burns If possible drain the process medium from all the plant sections affected and the valve Wear protective clothing safety glove...

Page 10: ...bserve the specified torques on tightening control valve components Excessively tightened torques lead to parts wearing out quicker Parts that are too loose may cause leakage Observe the specified tig...

Page 11: ...EB 8020 1 EN 11...

Page 12: ...e commande max Stelldruckbereich Signal pressure range Plage de pression de commande bar p max bar p2 0 Made in Germany Medium Fluid Fluide C Betriebstemp t1 Operating temp Temp de service bar Betrieb...

Page 13: ...3 Seat code trim material on request 14 Pressure balancing DIN D ANSI B Version M mixing valve V flow diverting valve Item Inscription meaning 15 Noise reduction 1 flow divider ST 1 2 ST 2 3 ST 3 1 PS...

Page 14: ...umber you can contact us to find out which material is used Additionally a seat code is used to identify the trim material This seat code is specified on the nameplate For more details on the nameplat...

Page 15: ...EB 8020 1 EN 15...

Page 16: ...I Strainer is only available a central strainer facility must be installed when an ANSI version is used The springs in the pneumatic actuator are lo cated either above or below the diaphragm depending...

Page 17: ...ainer 1 Body 2 Flange 4 Seat 5 Plug with plug stem 8 Threaded bushing packing nut 9 Stem connector nut 10 Lock nut 14 Body nut 15 Packing 17 Body gasket 22 Bellows seal 37 Plug stem with metal bellows...

Page 18: ...ration Voltage Pst 2 1 3 11 14 11 Pilot valve 13 Positioner 14 Switch for safety interlock circuit Fig 6 Functional diagram showing version without positioner Voltage Pst 2 1 13 3 11 14 Fig 7 Function...

Page 19: ...and open the valve The valve closes when the signal pressure is increased enough to overcome the force exerted by the springs The stem retracts direction of action is only permitted for a certain ver...

Page 20: ...9 Cast stainless steel 1 4408 Forged steel 1 0460 Forged stain less steel 1 4571 Cast steel 1 0619 Cast stainless steel 1 4408 Valve bonnet 1 0460 1 4404 1 0460 1 4404 Standard strainer insert and dua...

Page 21: ...1 Only with valve body made of 1 0619 or 1 4408 Table 3 Dimensions for Types 3271 and 3277 Pneumatic Actuators Actuator area cm 175v2 240 350 355v2 700 750v2 Diaphragm D mm 215 240 280 280 390 394 H 1...

Page 22: ...rox 8 10 18 21 38 60 150 Strainer Weight kg approx 2 4 7 10 19 28 60 Actuator cm 175v2 240 350 355v2 700 750v2 Weight of Type 3271 kg approx 6 5 8 15 22 36 Weight of Type 3277 kg approx 10 9 12 19 26...

Page 23: ...100 130 Permissible differential operating pressure bar 20 15 10 5 Rated travel mm 15 30 Rangeability 50 1 30 1 Perm ambient temperature 40 to 60 C Permissible medium temperature 20 to 220 C Closing t...

Page 24: ...umber Valve size DN Actuator area cm Fail safe position SAMSOMATIC model KVS coefficient attachment threaded connection Norgren series Herion Attachment NAMUR interface 3963 xxxxx13 1 4 3963 xxxxx14 4...

Page 25: ...10 0 63 2 5 0 63 2 5 10 10 10 1 0 4 0 1 0 4 0 KVSI with flow divider ST 1 22 36 22 36 54 72 54 72 57 90 144 144 144 234 Seat diameter mm 6 12 6 12 24 24 31 24 31 38 48 38 48 63 80 63 80 63 80 100 100...

Page 26: ...3 0 Closing force kN 0 961 441 05 1 4 2 8 2 8 4 9 2 8 4 9 8 4 12 95 9 8 14 7 9 8 3 5 Fail safe position Fail close Fail open Table 10 Pilot valves for Type 3241 1 Gas Valve Solenoid valve manufacturer...

Page 27: ...ng the valve The protective caps fitted on the valve s inlet and outlet prevent foreign particles from en tering the valve and damaging it Do not remove the protective caps until im mediately before i...

Page 28: ...lve can be transported using lifting equipment e g crane or forklift Leave the control valve in its transport container or on the pallet to transport it Observe the transport instructions Transport in...

Page 29: ...ontrol valve from tilting while being lifted Before lift ing the control valve tighten the sling Make sure that the sling around the strainer is long enough and that the load that it bears is not too...

Page 30: ...gainst external influences e g impact Do not damage the corrosion protection paint surface coatings Repair any damage immediately Protect the control valve against moisture and dirt Store it at a rela...

Page 31: ...valve for damage Check to make sure that the type desig nation valve size material pressure rat ing and temperature range of the valve match the plant conditions size and pressure rating of the pipel...

Page 32: ...ting The inlet and outlet lengths vary depending on the process medium To ensure the control valve functions properly follow the installa tion instructions given below Observe the inlet and outlet len...

Page 33: ...the vent plug on the opposite side to the workplace of operating personnel On mounting valve accessories make sure that they can be operated from the workplace of the operating personnel The workplace...

Page 34: ...valve to cool down or heat up to reach ambient temperature before start up 7 Make sure that the vent of the pilot valve and the pressure connection on the top case of the actuator are open 8 Check th...

Page 35: ...8020 1 EN 35 Mounting and start up The plant operator is responsible for performing the pressure test SAMSON s After sales Service can support you to plan and perform a pressure test for your plant No...

Page 36: ...en the actuator vents Wear eye protection when working in close proximity to the control valve Risk of burn injuries due to hot or cold com ponents and pipelines Depending on the process medium valve...

Page 37: ...ve equipment Risk of personal injury due to residual pro cess medium in the valve While working on the valve residual process medium can escape and depending on its properties may lead to personal inj...

Page 38: ...pecifications 7 1 Replacing the gasket 1 Remove the actuator from the valve See associated actuator documentation 2 Undo the body nuts 14 gradually in a crisscross pattern 3 Lift the bellows seal 22 w...

Page 39: ...iner 7 2 Other service work Risk of control valve damage due to incorrect service or repair To replace seat and plug packing or bellows seal contact SAMSON s After sales Service 7 3 Aligning the V por...

Page 40: ...can support you to perform the required tests 7 6 Preparation for return ship ment Defective valves can be returned to SAMSON for repair Proceed as follows to return devices to SAMSON 1 Put the contro...

Page 41: ...he valve into the test fixture or fit it with a test adapter 2 Move the plug out of the seat valve open 3 Apply the test pressure to the valve and hold the pressure for the specified test duration 4 P...

Page 42: ...42 EB 8020 1 EN Servicing Tools See document u AB 0100 for details on suitable tools...

Page 43: ...plug stem does not move through the whole range Signal pressure too low Check the signal pressure Check the signal pressure line for leakage The valve leaks to the atmo sphere fugitive emissions The p...

Page 44: ...afe position see sec tion 3 1 The plant operator is responsible for emer gency action to be taken in the plant In the event of a valve malfunction 1 Depressurize the plant 2 Check the valve for damage...

Page 45: ...lve components and the pipeline may be come very hot or cold Risk of burn injuries Allow components and pipelines to cool down or heat up Wear protective clothing and safety gloves 9 1 Decommissioning...

Page 46: ...aries representatives and service facilities worldwide can be found on our website www samson de or in all SAMSON prod uct catalogs Required specifications Please submit the following details Order nu...

Page 47: ...iger Brennstoffe und zur Aufhebung der Richtlinie 2009 142 EG EU 2016 426 vom 9 M rz 2016 Produktart Ausr stungsteile f r Gas und Druckger te Absperrventil automatisch Klasse D Produktbezeichnung 2 2...

Page 48: ...2770 mit with 3267 2814 2823 2710 2730 Zertifikat Nr Certificate No 01 202 931 B 09 0008 Sicherheitsabsperreinrichtung f r Gasbrenner und Gasger te Safety Accessories for Gas burners and Gas Equipment...

Page 49: ...EB 8020 1 EN 49...

Page 50: ...50 EB 8020 1 EN...

Page 51: ...EB 8020 1 EN 51...

Page 52: ...52 EB 8020 1 EN...

Page 53: ...ctive cap 210 Nameplate for gas version 212 Plate with DVGW register number S1 Body strainer A1 Top diaphragm case A2 Bottom diaphragm case A4 Diaphragm A5 Diaphragm plate A6 Hose clamp A7 Actuator st...

Page 54: ...9 16 8 11 2 32 7 81 41 37 30 42 81 212 24 22 5 17 4 80 82 83 84 14 33 1 13 39 91 A20 22 A43 A25 A12 A11 A10 A5 A6 A7 A9 A40 A42 A7 A9 A32 A24 A2 A30 A8 A26 27 A23 A25 A28 A28 A29 A4 A100 A106 A16 A1 A...

Page 55: ...EB 8020 1 EN 55...

Page 56: ...2020 02 19 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samsongroup com www samsongroup com EB 8020 1 EN...

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