Samson 2357-3 Mounting And Operating Instructions
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Samson 2357-3 Mounting And Operating Instructions

Pressure build-up regulator with non-return unit at port c ports a and b with soldering nipple with ball-type bushing
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EB 2559 EN
Translation of original instructions
Type 2357-3 with non-return unit at port C · Ports A and B with soldering
nipple with ball-type bushing
Type 2357-3 Pressure Build-up Regulator
Self-operated Pressure Regulators
Edition March 2019

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Summary of Contents for Samson 2357-3

  • Page 1 EB 2559 EN Translation of original instructions Type 2357-3 with non-return unit at port C · Ports A and B with soldering nipple with ball-type bushing Type 2357-3 Pressure Build-up Regulator Self-operated Pressure Regulators Edition March 2019...
  • Page 2 Î For the safe and proper use of these instructions, read them carefully and keep them for later reference. Î If you have any questions 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.

  • Page 3: Table Of Contents

    Notes on possible personal injury ..............9 Notes on possible property damage ..............10 Markings on the device ................12 Nameplate ....................12 Material number ..................13 2.2.1 Type 2357-3 Regulator .................13 Design and principle of operation ..............14 Technical data .....................16 Measures for preparation before installation ..........20 Unpacking ....................20 Transport, lifting and storage ................20 4.2.1...
  • Page 4 Contents Annex......................34 10.1 After-sales service ..................34 10.2 Spare parts and accessories .................34 10.3 Certificates ....................34 EB 2559 EN...

  • Page 5: Safety Instructions And Safety Measures

    In case operators intend to use the regulators in other applications or conditions than specified, contact SAMSON. SAMSON does not assume any liability for damage resulting from the failure to use the de- vice for its intended purpose or for damage caused by external forces or any other external factors.
  • Page 6 Î Observe safety measures for handling the device as well as fire prevention and explosion protection measures. Safety features The Type 2357-3 Regulator does not have any special safety features. When relieved of pressure, the regulator is opened by the force of the set point springs. Responsibilities of the operator The operator is responsible for proper operation and compliance with the safety regulations.
  • Page 7 Safety instructions and safety measures Responsibilities of operating personnel Operating personnel must read and understand these mounting and operating instructions as well as the referenced documents and observe the specified hazard statements, warnings and caution notes. Furthermore, the operating personnel must be familiar with the applicable health, safety and accident prevention regulations and comply with them.

  • Page 8: Notes On Possible Severe Personal Injury

    Safety instructions and safety measures 1.1 Notes on possible severe personal injury DANGER Risk of bursting in the regulator. Regulators and pipelines are pressure equipment. Impermissible pressure or improper opening can lead to regulator components bursting. Î Observe the maximum permissible pressure for regulator and plant. Î Before starting any work on the regulator, depressurize all plant sections concerned as well as the regulator.

  • Page 9: Notes On Possible Personal Injury

    1.2 Notes on possible personal injury WARNING Damage to health relating to the REACH regulation. If a SAMSON device contains a substance which is listed as being a substance of very high concern on the candidate list of the REACH regulation, this circumstance is indi- cated on the SAMSON delivery note.

  • Page 10: Notes On Possible Property Damage

    Risk of regulator damage due to the use of unsuitable lubricants. The lubricants to be used depend on the regulator material. Unsuitable lubricants may corrode and damage the surface. Î Only use lubricants approved by SAMSON.When in doubt, consult SAMSON. Risk of leakage and regulator damage due to excessively high or low tightening torques. Observe the specified torques on tightening regulator components. Excessively tight- ened torques lead to parts wearing out quicker.
  • Page 11 1.3 Notes on possible property damage NOTICE Risk of regulator damage due to the use of unsuitable tools. Certain tools are required to work on the regulator. Î Only use tools approved by SAMSON.When in doubt, consult SAMSON. Note SAMSON's After-sales Service can support you concerning lubricant, tightening torques and tools approved by SAMSON.

  • Page 12: Markings On The Device

    2 Markings on the device 2.1 Nameplate Valve type/ Date of manufacture Set point range/ Default setting of set point Configuration ID/ Manufacturing index 4 Serial number 5 Customer-specific details CE marking/ EAC marking Fig. 1: Nameplate of Type 2357-3 EB 2559 EN...

  • Page 13: Material Number

    Markings on the device 2.2 Material number 2.2.1 Type 2357-3 Regulator Specifying the configuration ID, you can con- tact us to find out which material is used. The configuration ID is specified on the name- plate (3). For more details on the nameplate, see section 2.1.

  • Page 14: Design And Principle Of Operation

    As an excess pressure valve, the regulator can be optionally equipped with a non-re- The process medium flows from port A to port B in the Type 2357-3 Pressure Regulator turn unit (12). It prevents the medium from used as a build-up pressure regulator with flowing back to port C and allows mainte- safety function.
  • Page 15 Set point adjuster (hexagon socket, SW 5) 11 Lock nut (SW 17) 12 Non-return unit (accessories) 13 Filter 14 Body screws 16 Closing spring Coupling nut for soldering nipple with ball-type bushing (accessories) Type 2357-3 Fig. 2: Design and principle of operation EB 2559 EN...

  • Page 16: Technical Data

    Depending on how the regulator is config- ured, it can be used up to temperatures of –196 to 200 ° (Table 1). Noise emission SAMSON is unable to make general state- ments about noise emission as it depends on the valve version, plant facilities and process medium.
  • Page 17 Design and principle of operation Table 1: Technical data · All pressures in bar (gauge) 2357-3 2357-3 Type – Process medium in the gas phase – – Special version in the liquid phase – Pressure rating PN 40 coefficient Set point range 2 to 10 bar · 8 to 26 bar · 25 to 40 bar...
  • Page 18 Design and principle of operation Dimensions (in mm) Ø 80 Type 2357-3 · Standard version with soldering nipple (accessories) and non-return unit (accessories) Fig. 3: Dimensions EB 2559 EN...
  • Page 19 Design and principle of operation Dimensions (in mm) Weld seam performed on site M40 x 2 Ø28 Ø80 Type 2357-3 · CrNi steel version with welding ends (accessories) and non-return unit (accessories) Fig. 3: Dimensions EB 2559 EN...

  • Page 20: Measures For Preparation Before Installation

    4.2 Transport, lifting and 2. Check the shipment for transportation storage damage. Report any damage to SAMSON and the forwarding agent Due to the low service weight, lifting equip- (refer to delivery note). ment is not required to lift and transport the regulator (e.g.

  • Page 21: Storage

    Make sure that the regulator is absolutely − Avoid long storage times. clean and free of oil and grease on installing − Contact SAMSON in case of different stor- age conditions or long storage periods. In the delivered state, the regulators are...

  • Page 22: Checking The Installation Conditions

    Mounting position conditions (size and pressure rating of the pipeline, medium temperature etc.). Standard mounting posi- tion For gases, liquids and 5.2 Checking the installation steam conditions 5.2.1 Mounting position Î Install the regulator with the actuator Not permissible housing suspended downward (with port C facing upward) in horizontal pipelines (see Fig. 4).
  • Page 23 Mounting position To consumer, filling station etc. Cryogenic tank Type 2040 Temperature Media 5/Media 6 Level Meter Monitor Type 2357-3 Pressure Build-up 10 Safety valve Regulator Shut-off valves Pressure protection by Non-return unit Type 2357-2 with special Pressure build-up vaporizer accessories Types 2357-1/-6 Pressure...

  • Page 24: Start-Up And Operation

    Start-up and operation 6 Start-up and operation 6.2 Installing the regulator Î Refer to Fig. 5 6.1 Start-up 1. Close the shut-off valves (6.1 and 6.2) in the pipeline while the valve is being in- stalled. DANGER Risk of personal injury due to process me- 2. Take the regulator out of the packaging. dium escaping under pressure.

  • Page 25: Operation

    Start-up and operation 6.3 Operation 6.4 Starting up the plant The regulator is ready for use when mount- Î Refer to Fig. 5 ing and start-up have been completed. Î Start up the regulator after mounting all parts. WARNING Î Open the shut-off valves slowly prefera- Risk of burn injuries due to hot or very cold bly starting from the upstream pressure components and pipelines.

  • Page 26: Adjusting The Set Point

    Start-up and operation 6.5 Adjusting the set point Set point in bar Î Refer to Fig. 2 Every regulator is delivered with the set point listed in Table 3 already adjusted. Turn the set point adjuster (10) using Allen Set point range 25 to 40 bar key (width across flats 5) to change the de- fault set point.

  • Page 27: Servicing

    Regulator components and the pipeline may nance or service work. become very hot or cold. Risk of burn inju- Î While working on the regulator, refer to ries. SAMSON Manual for oxygen  H 01. − Allow components and pipelines to cool down or heat up. DANGER −...
  • Page 28 Parts that are too loose may cause leakage. Note Observe the specified tightening torques. The regulator was checked by SAMSON be- fore it left the factory. NOTICE − Certain test results (seat leakage and leak...

  • Page 29: Replacing The Set Point Springs

    7. Take out the set point spring (8) and op- erating bellows (3). Note Mounting the set point spring SAMSON's After-sales Service department 8. Insert new set point spring (8) for the re- can support you concerning lubricant, quired set point range together with the...

  • Page 30: Tightening Torques

    Width across flats in Nm Coupling nut SW 32 Screw plug SW 26 Screws SW 10 Coupling nut for soldering nipple with SW 49 ball-type bushing (accessories) 7.3 Lubricants and sealants Note SAMSON's After-sales Service can support you concerning lubricants and sealants ap- proved by SAMSON. EB 2559 EN...

  • Page 31: Prepare The Regulator For Return Shipment

    7.5 Ordering spare parts and return shipment operating supplies Defective regulators can be returned to Contact your nearest SAMSON subsidiary SAMSON for repair. Proceed as follows to or the SAMSON After-sales Service for in- return devices to SAMSON: formation on spare parts, lubricants and tools.

  • Page 32: Malfunctions

    Malfunctions 8 Malfunctions SAMSON's After-sales Service can help during troubleshooting. Further information The malfunctions listed in Table 4 are caused is available in section 10.1. We recommend by mechanical faults and incorrect regulator removing the regulator from the pipeline be- sizing. In the simplest case, the functioning fore repairing it.

  • Page 33: Decommissioning And Removal

    Decommissioning and removal 9 Decommissioning and WARNING removal Risk of personal injury due to residual pro- cess medium in the regulator. While working on the regulator, residual DANGER process medium can escape and, depending Risk of bursting in pressure equipment. on its properties, may lead to personal Regulators and pipelines are pressure equip- injury, e.g.
  • Page 34 SAMSON. aftersalesservice@samsongroup.com. Addresses of SAMSON AG and its subsid- 10.3 Certificates iaries The addresses of SAMSON, its subsidiaries, The EU declarations of conformity are in- representatives and service facilities cluded on the next pages. worldwide can be found on our website (u www.samsongroup.com) or in all SAMSON product catalogs.
  • Page 35 Modul D/Module D, Nr./No. / N° CE-0062-PED-D-SAM 001-16-DEU-rev-A SAMSON erklärt in alleiniger Verantwortung für folgende Produkte:/For the following products, SAMSON hereby declares under its sole responsibility: Druckregler DR 2357-1, -11, -2-, -21, -3, -31/Pressure Regulator PR 2357-1, -11, -2-, -21, -3, -31 die Konformität mit nachfolgender Anforderung/the conformity with the following requirement.
  • Page 36 EB 2559 EN...
  • Page 37 Pressure Build-up Regulator with safety function and integrated pressure relief valve The combined Type 2357-3 Pressure Build-up Regulator is suitable for the use with liquefied cryogenic gases as well as flammable gases. The medium is sealed from the atmosphere by a metal bellows.
  • Page 38 EB 2559 EN...
  • Page 39 EB 2559 EN...
  • Page 40 EB 2559 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samson.de · www.samson.de...

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