Samson 2357-11 Mounting And Operating Instructions Download Page 1

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Mounting and

Operating Instructions

EB 2560 EN

Edition August 2014

Type 2357-11 Pressure Build-up Regulator/Type 2357-21 Excess Pressure Valve

Self-operated Pressure Regulators

Type 2357-11 Pressure Build-up Regulator
Type 2357-21 Excess Pressure Valve

Summary of Contents for 2357-11

Page 1: ...tructions EB 2560 EN Edition August 2014 Type 2357 11 Pressure Build up Regulator Type 2357 21 Excess Pressure Valve Self operated Pressure Regulators Type 2357 11 Pressure Build up Regulator Type 235...

Page 2: ...h if not avoided will result in death or seri ous injury WARNING Hazardous situations which if not avoided could result in death or se rious injury NOTICE Property damage message or mal function Note...

Page 3: ...tion 6 4 Installation 8 4 1 Mounting position 8 4 2 Shut off valve 8 5 Operation 8 5 1 Start up 8 5 2 Set point adjustment 8 5 2 1 Changing the set point range 9 5 3 Decommissioning 10 6 Maintenance 1...

Page 4: ...ence as well as their knowledge of the applicable standards The regulators comply with the requirements of the European Pressure Equip ment Directive 97 23 EC The declaration of conformity issued for...

Page 5: ...to the adjusted set point especial ly in cryogenic plants WARNING Risk of injury and property damage due to high pressure in the plant A suitable overpressure protection must be installed on site in...

Page 6: ...r 10 The valve closes when the pres sure upstream of the valve 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 u...

Page 7: ...phragm 4 1 Gasket bottom section of the body 5 Diaphragm plate 6 Ball 7 Spring plate 8 Set point springs 9 Spring housing bottom section of the body 10 Set point adjuster hexagon socket 5 mm 11 Lock n...

Page 8: ...357 11 Pressure Reducing Valve Direction of flow from port A to port B Type 2357 21 Excess Pressure Valve with with non return unit A B Direction of flow from port B to port A The ports are marked Req...

Page 9: ...to move free ly 2 Determine the difference between the fixed set point Table 1 and the required set point Turn the set point adjuster 10 the required amount of turns as specified in Fig 2 on page 10 B...

Page 10: ...the operating conditions check the regulator at regular intervals to avoid possible malfunctions WARNING Process medium can escape uncon trolled on dismantling the regulator Risk of cold burns Allow...

Page 11: ...point adjuster 10 counterclockwise to fully relieve the internal set point springs 8 2 Unscrew the body screws 14 using an open end wrench size 19 mm Lift off the valve body 1 3 Unscrew the integrated...

Page 12: ...ww 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 mo...

Page 13: ...s and weights 9 Dimensions and weights 100 140 140 51 G 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...

Page 14: ...ng pressure pmax 63 bar 2 Safety function for Type 2357 11 5 bar above the set point Max perm differential pressure pmax Types 2357 11 Pressure Reducing Valves Gases 30 bar Liquids 6 bar Type 2357 21...

Page 15: ...EB 2560 EN 15...

Page 16: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 2560 EN 2014 09 16 English...