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Samson 44-2 Mounting And Operating Instructions

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EB 2623-1 EN
Translation of original instructions
Type 44-3 Safety Pressure Reducing Valve (SSV)
Red brass body with screwed ends
Type 44-2 Pressure Reducing Valve
Type 44-3 and Type 44-9 Safety Pressure Reducing Valves (SSV)
Edition August 2018

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Summary of Contents for Samson 44-2

  • Page 1 EB 2623-1 EN Translation of original instructions Type 44-3 Safety Pressure Reducing Valve (SSV) Red brass body with screwed ends Type 44-2 Pressure Reducing Valve Type 44-3 and Type 44-9 Safety Pressure Reducing Valves (SSV) Edition August 2018...
  • 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 Department (aftersalesservice@samson.de). The mounting and operating instructions for the devices are included in the scope of delivery.

  • Page 3: Table Of Contents

    Contents Safety instructions and measures ..............5 Notes on possible severe personal injury ............7 Notes on possible personal injury ..............8 Notes on possible property damage ..............9 Markings on the device ................10 Regulator nameplate ..................10 Material number ..................11 Design and principle of operation ..............12 Technical data .....................14 Measures for preparation ................18 Unpacking ....................18...
  • Page 4 Contents Decommissioning ..................33 Disposal ......................33 Annex......................34 10.1 After-sales service ..................34 10.2 Spare parts ....................34 10.3 Certificates ....................37 EB 2623-1 EN...

  • Page 5: Safety Instructions And Measures

    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 Check with the plant operator for details on further protective equipment. Revisions and other modifications Revisions, conversions or other modifications of the product are not authorized by SAMSON. They are performed at the user's own risk and may lead to safety hazards, for example. Fur- thermore, the product may no longer meet the requirements for its intended use.

  • Page 7: Notes On Possible Severe Personal Injury

    Safety instructions and 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 Personal Injury

    Î Wear protective clothing and safety gloves. 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 indicat- ed on the SAMSON delivery note.

  • Page 9: Notes On Possible Property Damage

    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. Note SAMSON's After-sales Service can support you concerning lubricant, tightening torques and tools approved by SAMSON. EB 2623-1 EN...

  • Page 10: Markings On The Device

    Markings on the device 2 Markings on the device 2.1 Regulator nameplate 1 Model number 2 Configuration ID (Var.-ID) and device index 3 Order number or year of manufacture 4 Type designation 5 Pressure rating PN ) coefficient 7 Perm. temperature in °C 8 Set point range in bar 9 Max.

  • Page 11: Material Number

    Markings on the device 2.2 Material number 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 (2 (configuration ID and device index). For more details on the nameplate, see sec- tion 2.1.

  • Page 12: Design And Principle Of Operation

    Diaphragm failure is indicated by The Type 44-2, Type 44-3 and Type 44-9 a red mark in the diaphragm rupture Pressure Reducing Valves mainly consist of indicator (12) (point of response at approx.
  • Page 13 Screw plug for the inspection bore Diaphragm stem Housing screws Valve body Diaphragm plate Seal Spring plate Distance ring Seat Fig. 3: Functional diagram of Type 44-2 Pressure Reducing Valve as well as Type 44-3 and Type 44- 9 Safety Pressure Reducing Valves (SSV) EB 2623-1 EN...

  • Page 14: Technical Data

    Type test Table 4 provides a summary of the dimen- The Type 44-3 and Type 44-9 Regulators sions and weights of the Type 44-2, Type 44- have been typetested as safety pressure re- 3 and Type 44-9 Regulators. The lengths and ducing valves (SSV) by the German Techni- heights in the dimensional drawings are cal Inspectorate (TÜV).
  • Page 15 Design and principle of operation Table 1: Technical data · All pressures in bar (gauge) Regulator Pressure reducing valve 44-2 44-3 (SSV) · 44-9 (SSV) Red brass body Male thread DN 15, 20, 25, 32, 40 and 50 Connection Spheroidal graphite iron body Flanges DN 32, 40 and 50...
  • Page 16 20.0 coefficients Special version  · 1.0 · 2.5 –  1) Flanged body coefficients Standard version – 12.5 20.0 25.0 Special version of Type 44-2 Table 4: Dimensions · Weights Valve size Length L Pipe Ød 21.3 26.9 33.7 42.4 48.3 60.3 Connection R G ¾ G 1 G 1¼...
  • Page 17 Version with welding ends Type 44-2 · Body: CC499K Type 44-3 · Type 44-9 · Body: CC499K R Ød R Ød ØD ØD Version with flanged valve body Type 44-2, Type 44-3 and Type 44-9 Body: spheroidal graphite iron Version with threaded ends  1) Fig. 4: Dimensions DN 32, 40 and 50 EB 2623-1 EN...

  • Page 18: Measures For Preparation

    − Observe storage instructions. note. − Avoid long storage times. 2. Check the shipment for transportation − Contact SAMSON in case of different stor- damage. Report any damage to age conditions or long storage periods. SAMSON and the forwarding agent (refer to delivery note).

  • Page 19: Preparation For Installation

    Î Check the regulator to make sure it is clean. Î Check the regulator for damage. SAMSON's After-sales Service can provide Î Check to make sure that the type desig- more detailed storage instructions on re- nation, valve size, material, pressure rat- quest.

  • Page 20: Mounting And Start-Up

    − Do not attach supports directly to the regu- lator. Shut-off valve Type 44-2 Pressure Reducing Valve Upstream pressure gauge Strainer Pressure reducing valve Downstream pressure gauge Fig. 5: Pressure control with Type 44-2 (installation example) EB 2623-1 EN...

  • Page 21: Additional Fittings

    A strainer installed upstream in the flow pipe holds back any dirt or other foreign particles carried along by the medium. For example, the SAMSON Type 1 NI Strainer is suitable (u T 1010). The following points must be observed during installation of the strainer: −...

  • Page 22: Start-Up

    Operation 5.3 Start-up 6 Operation 6.1 Adjusting the set point DANGER Risk of personal injury due to process me- Î Refer to Fig. 3 dium escaping under pressure. Adjust the required set point by turning the − First start up the regulator after mounting set point adjuster (56) with an open-end all parts.

  • Page 23: Servicing

    NOTICE jury, e.g. (chemical) burns. Risk of regulator damage due to the use of Wear protective clothing, safety gloves and unsuitable tools. eyewear. Only use tools approved by SAMSON. EB 2623-1 EN...

  • Page 24: Cleaning And Replacing The Seat And Plug

    − Before starting any work on the springs, relieve the compression from the preloaded Note springs. The regulator was checked by SAMSON be- − Only use the SAMSON disassembly tool fore it left the factory. (1280-4052). − Certain test results (seat leakage and leak...
  • Page 25 FW 504) for Types 44-3 and 2. Completely relieve the tension from the 44-9 becoming void. set point springs (70…78) by turning the Consult SAMSON's After-sales Service be- set point adjuster (56) counterclockwise fore you change parts or perform service or ().

  • Page 26: Exchanging The Operating Diaphragm

    4. Check the facings of the actuator hous- − Only use the SAMSON disassembly tool ing (112) for dirt and clean them, if nec- (1280-4052). essary. 5. Place the actuator housing (112) on the...
  • Page 27 (130) evenly. Observe tightening torque set point springs (70…78) by turning the specified in section 7.4. set point adjuster (56) counterclockwise 6. Use the SAMSON disassembly tool to (). screw the valve body (30) together with 3. Remove the device from the pipeline spring plate (95) and the set point 4.

  • Page 28: Replacing The Set Point Springs

    (56) counterclockwise relieve the compression from the preloaded (). springs. − Only use the SAMSON disassembly tool 3. Remove the device from the pipeline (1280-4052). 4. Unscrew the control line (116). 5. Use the SAMSON disassembly tool to...

  • Page 29: Tightening Torques And Lubricant

    Servicing Note Change the nameplate and configuration ID after changing the set point range. 7.4 Tightening torques and lubricant Î Refer to Fig. 3 Component Valve size Tightening torque in Nm Guide nipple (2.6) DN 15 to 25 DN 15 DN 20 DN 25 Coupling nut (4) DN 32 DN 40 DN 50...

  • Page 30: Preparation For Return Shipment

    Defective devices can be returned to sizing. In the simplest case, the functioning SAMSON for repair. Proceed as follows to can be restored following the recommended return devices to SAMSON: action. Special tools may be required for re- 1.
  • Page 31 Malfunctions Table 5: Troubleshooting Malfunction Possible reasons Recommended action Insufficient pressure pulses on the Î Connect the control line on site for regulators operating diaphragm. with external control line. Î Clean the control line and screw fittings. Î Draw up an energy balance. Pressure tapped at the wrong Î...
  • Page 32 NOTICE Risk of TÜV approval (based on AGFW worksheet FW 504) for Types 44-3 and 44-9 be- coming void. Consult SAMSON's After-sales Service before you change parts or perform service or repair work on TÜV-tested Type 44-3 and Type 44-9 Regulators. EB 2623-1 EN...

  • Page 33: Decommissioning And Removal

    Decommissioning and removal 9 Decommissioning and remov- 9.1 Decommissioning To decommission the regulator for service and repair work or disassembly, proceed as follows: DANGER Risk of bursting in pressure equipment. 1. Close the shut-off valve on the upstream Regulators and pipelines are pressure equip- side of the regulator.

  • Page 34: Annex

    E-mail address You can reach the After-sales Service at aftersalesservice@samson.de. Addresses of SAMSON AG and its subsid- iaries Position numbers The addresses of SAMSON, its subsidiaries, Plug representatives and service facilities world-...
  • Page 35 Annex DN 15 to 25 70…78 EB 2623-1 EN...
  • Page 36 Annex DN 32 to 50 70…78 EB 2623-1 EN...

  • Page 37: Certificates

    Annex 10.3 Certificates The EU declarations of conformity are in- cluded on the next pages. Position numbers Plug Restriction assembly  1) O-ring Screw (plug) Plug nipple Screw plug Body Threaded seat  1) Lock nut 70…78 Compression spring Diaphragm stem Diaphragm plate Spring plate  1) Washer...
  • Page 38 Typ 2336, 2373, 2375, 44-1B, 44-2, 44-3, 44-4, 44-6B, 44-9, 45-1, 45-2, 45-3, 45-4, 45-6, (Erz.-Nr. 2720), 45-9, 47-4, 2488, 2489, (2730), 2405, 2406, 2421 (2811), 2412 (2812), 2417 (2817), 2422 (2814), 2423 (2823), 2423E (2823) die Konformität mit nachfolgender Anforderung/the conformity with the following requirement...
  • Page 39 2333 (Erz.-Nr./Model No. 2333), 2334 (2334), 2335 (2335), 2336, 2373, 2375, 44-0B, 44-1B, 44-2, 44-3, 44-6B, 44-7, 44-8, 45-1, 45-2, 45-3, 45-4, 45-5, 45-6, 2468, 2478 (2720), 45-9, 46-5, 46-6, 46-7, 46-9, 47-1, 47-4, 47-5, 47-9, 2487, 2488, 2489, 2491, 2494, 2495 (2730), 2405, 2406, 2421 (2811), 2392, 2412 (2812), 2114 (2814), 2417 (2817), 2422 (2814), 2423 (2823) die Konformität mit nachfolgender Anforderung/the conformity with the following requirement.
  • Page 40 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: Sicherheitsabsperrventil SAV 44-3 (2720-12)/Safety Shut-off Valve SSV 44-3 (2720-12) die Konformität mit nachfolgender Anforderung/the conformity with the following requirement.
  • Page 41 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: Sicherheitsabsperrventil SAV 44-9 (2720-13)/Safety Shut-off Valve SSV 44-9 (2720-13) die Konformität mit nachfolgender Anforderung/the conformity with the following requirement.
  • Page 42 EB 2623-1 EN...
  • Page 43 EB 2623-1 EN...
  • Page 44 EB 2623-1 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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