Samson 2357-11 Mounting And Operating Instructions
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Samson 2357-11 Mounting And Operating Instructions

Samson 2357-11 Mounting And Operating Instructions

Self-operated pressure regulators, pressure build-up regulator, excess pressure valve
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Self-operated Pressure Regulators
Type 2357-11 Pressure Build-up Regulator
Type 2357-21 Excess Pressure Valve
Type 2357-11 Pressure Build-up Regulator/Type 2357-21 Excess Pressure Valve
Mounting and
Operating Instructions
EB 2560 EN
Edition August 2014

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Summary of Contents for Samson 2357-11

  • Page 1 Self-operated Pressure Regulators Type 2357-11 Pressure Build-up Regulator Type 2357-21 Excess Pressure Valve Type 2357-11 Pressure Build-up Regulator/Type 2357-21 Excess Pressure Valve Mounting and Operating Instructions EB 2560 EN Edition August 2014...
  • Page 2 Definition of signal words DANGER! NOTICE Hazardous situations which, if not Property damage message or mal- avoided, will result in death or seri- function ous injury Note:  WARNING! Additional information Hazardous situations which, if not avoided, could result in death or se- Tip: rious injury Recommended action...

  • Page 3: Table Of Contents

    Contents General safety instructions ................4 Process medium and scope of application ............5 Transportation and storage ................5 Design and principle of operation ..............6 Installation ....................8 Mounting position ..................8 Shut-off valve ....................8 Operation .....................8 Start-up ......................8 Set point adjustment ..................8 5.2.1 Changing the set point range ................9 Decommissioning ..................10 Maintenance ....................10 Exchanging the seat and plug ...............10...

  • Page 4: General Safety Instructions

    General safety instructions General safety instructions − The regulators are to be mounted, started up or serviced by fully trained and qualified personnel only; the accepted industry codes and practices are to be observed. Make sure employees or third persons are not exposed to any danger.

  • Page 5: Process Medium And Scope Of Application

    Process medium and scope of application Process medium and scope of application Pressure regulators for cryogenic gases and liquids as well as other liquids, gases and va- pors. Operating pressures up to 63 bar, with set points from 1 to 40 bar. Temperature range from –200 to +200 °C.

  • Page 6: Design And Principle Of Operation

    (port B) increases. Type 2357-11 Pressure Reducing Valve The process medium flows from port A to port B when the Type 2357-11 Pressure Reg- ulator is used as a pressure reducing valve. The valve is open when no pressure is ap- plied.
  • Page 7 Design and principle of operation Pressure build-up regulator  Pressure reducing valve  Direction of flow  Type 2357-11 Valve body 2.1 Plug Operating diaphragm 4.1 Gasket (bottom section of the body) Diaphragm plate Ball Spring plate Set point springs Spring housing (bottom section of the...

  • Page 8: Installation

    Every pressure regulator is delivered with the Observe the flow direction. set point listed in Table 1 already adjusted. Type 2357-11 Pressure Build-up Regulator Turn the set point adjuster (10) using Al- with safety function len key (size 5 mm) to change the default set −...

  • Page 9: Changing The Set Point Range

    Set point adjuster screwed too tight! ed to your specific requirements. Contact The regulator is blocked and the me- SAMSON (see section 7) for further details. dium flow through it is restricted. Pres- sure regulation is no longer possible! Only screw the set point adjuster up...

  • Page 10: Decommissioning

    Set point ranges move it from the pipeline. If faults or malfunctions cannot be remedied, contact SAMSON (see section 7). 1...8 bar 6.1 Exchanging the seat and 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

  • Page 11: Exchanging The Non-Return Unit

    Maintenance 4. Insert the plug spring (16) into the new 6. Carefully mount the valve body (1) and plug (Type 2357-11 only). Tighten the fasten it onto the spring housing (9) us- seat using a seat wrench and a tight- ing the body screws (14) (tightening ening torque of 20 Nm.

  • Page 12: Customer Service

    The addresses of SAMSON AG, its subsidiaries, representatives and service facilities world- wide can be found on the SAMSON website (u www.samson.de), in all SAMSON product catalogs or on the back of these Mounting and Operating Instructions. Please send your inquiries to: service@samson.de To assist diagnosis and in case of an unclear mounting situation, specify the following details (see section 8):...

  • Page 13: Dimensions And Weights

    Dimensions and weights Dimensions and weights G ¾ A Type 2357-11 Pressure Regulator/Type 2357-21 Excess Pressure Valve with welding ends (accessories) Weight: approx. 4 kg All dimensions in mm Fig. 4: Dimensions and weights EB 2560 EN...

  • Page 14: Technical Data

    Max. perm.operating pressure p 63 bar Safety function for Type 2357-11 5 bar above the set point Types 2357-11 Pressure Reducing Valves: Gases 30 bar Max. perm. differential pressure Liquids 6 bar ∆p Type 2357-21 Excess Pressure Valve: 3 bar (> 3 bar only with...
  • Page 15 EB 2560 EN...
  • Page 16 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 2560 EN samson@samson.de · www.samson.de...

This manual is also suitable for:

2357-21

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