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EB 2559 EN 

 19

Design and principle of operation

Dimensions (in mm)

Ø80

Ø28

M40 x 2

126

155

111

174

131

Weld seam performed on site

Type 2357-3 · CrNi steel version with welding ends (accessories) and non-return unit (accessories)

Fig. 3: 

Dimensions

Содержание 2357-3

Страница 1: ...nal instructions EB 2559 EN 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 ...

Страница 2: ...s After sales Service aftersalesservice samsongroup com The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our website at www samsongroup com Service Support Downloads Documentation Definition of signal words Hazardous situations which if not avoided will result in death or serious injury Hazardous situations which...

Страница 3: ...g and storage 20 4 2 1 Storage 21 5 Mounting position 21 5 1 Preparation for installation 21 5 2 Checking the installation conditions 22 5 2 1 Mounting position 22 5 2 2 Shut off valves 22 6 Start up and operation 24 6 1 Start up 24 6 2 Installing the regulator 24 6 3 Operation 25 6 4 Starting up the plant 25 6 5 Adjusting the set point 26 7 Servicing 27 7 1 Replacing the set point springs 29 7 2 ...

Страница 4: ...Contents 4 EB 2559 EN 10 Annex 34 10 1 After sales service 34 10 2 Spare parts and accessories 34 10 3 Certificates 34 ...

Страница 5: ...for its intended purpose or for damage caused by external forces or any other external factors Î Refer to the technical data and nameplate for limits and fields of application as well as possible uses Reasonably foreseeable misuse The regulators are not suitable for the following applications Use outside the limits defined during sizing and by the technical data Use outside the limits defined by t...

Страница 6: ...he regulator by the process medium the operating pressure or by moving parts by taking appropriate precautions They must observe all hazard statements warning and caution notes in these mounting and operating instructions especially for installation start up and service work We also recommend checking the hazards posed by the process medium being used e g u GESTIS CLP hazardous substance database ...

Страница 7: ...cedure This EU declaration of conformity is included in the Annex of these instructions see section 10 3 According to the ignition risk assessment performed in accordance with EN 13463 1 2009 section 5 2 the non electrical regulators do not have their own potential ignition source even in the rare incident of an operating fault As a result they do not fall within the scope of Di rective 2014 34 EU...

Страница 8: ...mpermissible 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 Î Drain the process medium from all the plant sections concerned as well as the reg ulator Î Wear personal protective equipment ...

Страница 9: ...k of personal injury due to residual process medium in the regulator While working on the regulator residual process medium can escape and depending on its properties may lead to personal injury e g chemical burns Î If possible drain the process medium from all the plant sections concerned and the regulator Î Wear protective clothing safety gloves and eyewear Risk of burn injuries due to hot or co...

Страница 10: ...e The plant operator is responsible for cleaning the pipelines in the plant Î Flush the pipelines before start up 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 damag...

Страница 11: ...CE 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 SAMSON s After sales Service can support you concerning lubricant tightening torques and tools approved by SAMSON Note ...

Страница 12: ...device 2 1 Nameplate 1 2 3 4 5 6 A B C 1 Valve type Date of manufacture 2 Set point range Default setting of set point 3 Configuration ID Manufacturing index 4 Serial number 5 Customer specific details 6 CE marking EAC marking Fig 1 Nameplate of Type 2357 3 ...

Страница 13: ...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 ...

Страница 14: ...When the pressure rises above the set point by approx 5 bar the positioning force overcomes the force of the closing spring 16 causing the pressure build up plug 2 1 to open and the pressure is relieved to ports B and C Functioning as an excess pressure valve the medium flows from port B to C The tubular plug seals off the operating bellows when there is no pressure drop across port B and C The pr...

Страница 15: ...erating bellows 4 Coupling nut 4 1 Seal body cover 4 2 Seal top section of body 5 Screw plug 7 Spring plate 8 Set point spring 9 Housing cover 10 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 17 Coupling nut for soldering nipple with ball type bushing accessories Fig 2 Design and principle of operation ...

Страница 16: ...ure 196 C Max temperature 200 C Set points from 2 to 40 bar Nominal size DN 25 20 Pressure rating PN 40 Temperature range 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 Risk of hearing loss or ...

Страница 17: ...tion 5 bar above the set point 12 bar above the set point Excess pressure function 0 5 bar above the set point Temperature range 196 to 200 C Weight approx 3 5 kg Compliance Table 2 Materials Material numbers according to DIN EN Type 2357 3 Body CC754S GM brass 1 4404 Tubular plug 1 4301 1 4301 Plug 1 4301 PTFE soft seal Bellows 1 4571 Set point spring Stainless steel 1 4310 Body gasket PTFE Conne...

Страница 18: ...8 EB 2559 EN Design and principle of operation Dimensions in mm 126 63 220 313 Ø 80 174 180 Type 2357 3 Standard version with soldering nipple accessories and non return unit accessories Fig 3 Dimensions ...

Страница 19: ...gn and principle of operation Dimensions in mm Ø80 Ø28 M40 x 2 126 155 111 174 131 Weld seam performed on site Type 2357 3 CrNi steel version with welding ends accessories and non return unit accessories Fig 3 Dimensions ...

Страница 20: ...ed state the regulators are packed to be free of oil and grease for oxy gen service Do not remove the packaging until immedi ately before installation Note NOTICE Before installing the regulator proceed as follows 1 Remove the packaging from the control ler 2 Dispose of the packaging in accordance with the valid regulations 4 2 Transport lifting and storage Due to the low service weight lifting eq...

Страница 21: ... is between 20 and 65 C Do not place any objects on the regula tor NOTICE Note 5 Mounting position Explosion hazard due to the use of oil and grease in oxygen atmospheres Make sure that the regulator is absolutely clean and free of oil and grease on installing it In the delivered state the regulators are packed to be free of oil and grease for oxy gen service Do not open the packaging until immedi...

Страница 22: ...ort B Excess pressure valve Direction of flow from port B to port C The ports A and B are marked on the body Î Install the regulator free of stress Î Make sure that the regulator remains freely accessible after the plant has been completed Do not attach supports directly to the regula tor NOTICE NOTICE A B C Standard mounting posi tion For gases liquids and steam Not permissible Not permissible Fi...

Страница 23: ...eturn unit 4 Types 2357 1 6 Pressure Reducing Valve 5 Type 2040 Temperature Monitor 6 1 6 2 Shut off valves 7 Pressure build up vaporizer 8 Final vaporizer 9 Media 5 Media 6 Level Meter 10 Safety valve 11 Pressure protection by Type 2357 2 with special accessories Fig 5 Series 2357 Pressure Build up Regulator with safety function for cryogenic service schematic drawing ...

Страница 24: ... the regulator has been in stalled 6 Start up and operation 6 1 Start up Re Risk of personal injury due to process me dium escaping under pressure First start up the regulator after mounting all parts Explosion hazard due to the use of oil and grease in oxygen atmospheres Make sure that the regulator is absolutely clean and free of oil and grease on installing it Risk of burn injuries due to hot o...

Страница 25: ...re side Î Fill the plant slowly with the process me dium Avoid pressure surges 6 3 Operation The regulator is ready for use when mount ing and start up have been completed Risk of burn injuries due to hot or very cold components and pipelines Depending on the process medium regula tor components and pipelines may get very hot or cold and cause burn injuries Wear protective clothing and safety glov...

Страница 26: ...d in Table 3 Turn the set point adjuster 10 clock wise to increase the pressure set point Turn the set point adjuster 10 counter clockwise to reduce the pressure set point 8 Tighten the lock nut 11 Set point adjuster screwed too tight The regulator is blocked and the medium flow through it is restricted Pressure regula tion is no longer possible Only screw the set point adjuster up to the point wh...

Страница 27: ... on the regulator depressurize all plant sections concerned as well as the regulator Disconnect the control line Drain the process medium from all the plant sections concerned as well as the regulator Wear personal protective equipment DANGER Risk of personal injury due to residual pro cess medium in the regulator While working on the regulator residual process medium can escape and depending on i...

Страница 28: ...f unsuitable lubricants Only use lubricants approved by SAMSON NOTICE NOTICE NOTICE NOTICE SAMSON s After sales Service department can support you concerning lubricant tightening torques and tools approved by SAMSON The regulator was checked by SAMSON be fore it left the factory Certain test results seat leakage and leak test certified by SAMSON lose their validity when the regulator is opened The...

Страница 29: ... out of operation see section 9 1 2 Remove the device from the pipeline 3 Undo the lock nut 11 4 Completely relieve the tension from the set point spring 8 by turning the set point adjuster 10 counterclockwise 5 Undo the screws 14 6 Remove the body cover 9 seal 4 1 and spring plate 7 7 Take out the set point spring 8 and op erating bellows 3 Mounting the set point spring 8 Insert new set point spr...

Страница 30: ...tening torque in Nm 4 Coupling nut SW 32 60 5 Screw plug SW 26 70 14 Screws SW 10 7 17 Coupling nut for soldering nipple with ball type bushing accessories SW 49 100 7 3 Lubricants and sealants SAMSON s After sales Service can support you concerning lubricants and sealants ap proved by SAMSON Note ...

Страница 31: ...CE SUPPORT After sales Service Send the device together with the filled in form to your nearest SAMSON subsidiary SAMSON subsidiaries are listed on our website at u www samsongroup com About SAMSON Sales offices 7 5 Ordering spare parts and operating supplies Contact your nearest SAMSON subsidiary or the SAMSON After sales Service for in formation on spare parts lubricants and tools Spare parts Se...

Страница 32: ...responds after the tank has been filled ÎClose the shut off valves 6 1 and 6 2 to isolate the regulator and pressure build up vaporizer Reduce the tank pressure through medium withdrawal or blow off After the pressure set point in the tank is reached reopen the shut off valves 8 Malfunctions The malfunctions listed in Table 4 are caused by mechanical faults and incorrect regulator sizing In the si...

Страница 33: ...ternation al refuse regulations Î Do not dispose of components lubricants and hazardous substances together with your household waste WARNING 9 Decommissioning and removal Risk of bursting in pressure equipment Regulators and pipelines are pressure equip ment Improper opening can lead to bursting of the regulator Before starting any work on the regulator depressurize all plant sections concerned a...

Страница 34: ... unclear mounting situation specify the following de tails so far as possible See section 2 1 Device type and nominal size KVS coefficient Model number and configuration ID Customer specific details Upstream and downstream pressure Temperature and process medium Min and max flow rate Installation drawing showing the exact location of the regulator and all the ad ditionally installed components shu...

Страница 35: ...nigung EC Type Examination Certificate Modul B Module B Zertifikat Nr Certificate no 01 202 931 B 10 16 Angewandtes Konformitätsbewertungsverfahren Conformity assessment procedure applied Modul D Module D Zertifikat Nr Certificate no CE 0062 PED D SAM 001 16 DEU rev A Dem Entwurf zu Grunde gelegt sind Verfahren aus The design is based on the procedures specified in the following standards DIN EN 1...

Страница 36: ...36 EB 2559 EN ...

Страница 37: ...ation For the following products Type 2357 3 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 This declaration is issued by SAMSON AG Weismüllerstraße 3 60314 Frankfurt...

Страница 38: ...38 EB 2559 EN ...

Страница 39: ...EB 2559 EN 39 ...

Страница 40: ...2020 01 23 English 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 EB 2559 EN ...

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