Samson 44-6 B Mounting And Operating Instructions
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Samson 44-6 B Mounting And Operating Instructions

Samson 44-6 B Mounting And Operating Instructions

Self-operated pressure regulators
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EB 2626-2 EN
Translation of original instructions
Red brass body with screwed ends
Stainless steel body with screwed ends
Type 44-6 B Pressure Regulator
Self-operated Pressure Regulators
Edition January 2021

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  • Page 1 EB 2626-2 EN Translation of original instructions Red brass body with screwed ends Stainless steel body with screwed ends Type 44-6 B Pressure Regulator Self-operated Pressure Regulators Edition January 2021...
  • Page 2 Note on these mounting and operating instructions These mounting and operating instructions assist you in mounting and operating the device safely. The instructions are binding for handling SAMSON devices. The images shown in these instructions are for illustration purposes only. The actual product may vary.

  • Page 3: Table Of Contents

    Contents Safety instructions and measures ..............1-1 Notes on possible severe personal injury ............1-4 Notes on possible personal injury ..............1-4 Notes on possible property damage .............1-6 Markings on the device ................2-1 Nameplates ....................2-1 Location of the nameplates ................2-2 2.3 Material identification number ..............2-2 Design and principle of operation ...............3-1 3.1 Additional fittings ..................3-3...
  • Page 4 Decommissioning ..................10-1 Removal ....................11-1 11.1 Removing the regulator from the pipeline ............11-1 11.2 Removing the actuator from the valve ............11-1 Repairs ....................12-1 12.1 Returning devices to SAMSON ..............12-1 Disposal ....................13-1 Certificates ....................14-1 Annex......................15-1 15.1 Tightening torques ..................15-1 15.2 Lubricant ....................15-1 15.3...

  • Page 5: Safety Instructions And 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 Wear hearing protection when working near the valve 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. Warning against residual hazards To avoid personal injury or property damage, plant operators and operating personnel must prevent hazards that could be caused in the regulator by the process medium, the operating pressure or by moving parts by taking appropriate precautions.
  • Page 7 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, operating personnel must be familiar with the applicable health, safety and accident prevention regulations and comply with them. Referenced standards, directives and regulations The regulators comply with the requirements of the European Pressure Equipment Directive 2014/68/EU. Regulators with a CE marking have an EU declaration of conformity, which...

  • Page 8: Notes On Possible Severe 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 9 Safety instructions and measures WARNING Risk of burn injuries due to hot or cold components and pipelines. Depending on the process medium, regulator components and pipelines may get very hot or cold and cause burn injuries. Î Allow components and pipelines to cool down or warm up to the ambient tempera- ture.

  • 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 surfaces. 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.
  • Page 11 Î Keep the regulator and the tools used free from solvents and grease. Î Make sure that only suitable lubricants are used. Note SAMSON's After-sales Service can support you concerning lubricant, tightening torques and tools approved by SAMSON. EB 2626-2 EN...
  • Page 12 Safety instructions and measures EB 2626-2 EN...

  • Page 13: Markings On The Device

    Markings on the device 2 Markings on the device 2.1 Nameplates Nameplate on red brass body 1 Model number 2 Material number and device index 3 Order number or year of manufacture 4 Type designation 5 Valve size/thread size 7 Perm. temperature in °C/°F 8 Set point range in bar/psi Max. perm. differential pressure Δp in bar/psi Nameplate on bodies made of stainless steel or spheroidal graphite iron...

  • Page 14: Location Of The Nameplates

    Markings on the device 2.2 Location of the nameplates 2.3 Material identification number The nameplate of all sizes is affixed to the body (see Fig. 2-2). The material is indicated on the cast body. Specifying the material number, you can contact us to find out more details. The con- figuration ID is specified on the nameplate (2). For more details on the nameplate, see sec- tion 2.2.

  • Page 15: Design And Principle Of Operation

    Design and principle of operation 3 Design and principle of oper- ation Î See Fig. 3-1 The Type 44-6 B Pressure Regulator consists of a single-seated globe valve with integrat- ed actuator unit. The regulator mainly consists of the valve (1) with seat (3), plug (2) and balancing bellows (6) as well as a spring housing with operat- ing bellows (5), set point spring (7) and set point adjuster (8)/set point screw (9).
  • Page 16 Design and principle of operation 11 8 Special version Connecting thread G   A for a pressure gauge or external control line · Dimensions in mm Stainless steel version Leakage line connection (stan- dard) Valve Actuator housing Set point screw All stainless steel and spheroidal graphite iron versions (DN 40/50) as well as 8 to 20 bar set Red brass body with screwed ends point range: hex socket screw with SW 3 or SW 5 (spheroidal graphite iron)

  • Page 17: Additional Fittings

    Strainers of the regulator. We recommend installing a We recommend installing a SAMSON strainer (e.g. SAMSON Type 1 NI) upstream strainer (3) upstream of the valve. It prevents of the pressure regulator (u EB 1010). solid particles in the process medium from damaging the regulator.

  • Page 18: Technical Data

    Design and principle of operation 3.2 Technical data Bypass and shut-off valves We recommend installing a shut-off valve (1) The regulator nameplate provides informa- both upstream of the strainer and down- tion on the regulator version (see the 'Mark- stream of the regulator and installing a by- ings on the device' section).
  • Page 19 Dimensions and weights Noise emissions Table 3-4 provides a summary of the dimen- SAMSON is unable to make general state- sions and weights. The lengths and heights ments about noise emissions. The noise emis- in the dimensional drawings are shown on sions depend on the regulator version, plant page 3-9.
  • Page 20 Design and principle of operation Table 3-2: Technical data · All pressures in bar (gauge) Regulator Stainless steel/red brass body Female thread G ½, G ¾, G 1 · ½ NPT, ¾ NPT, 1 NPT Stainless steel body Flanges DN 15 and 25 · NPS ½ and 1 Port Spheroidal graphite iron Flanges DN 15, 25, 40 and 50 body  1) Pressure rating PN 25/Class 150 and Class 300 /JIS 20K  2)  3) Liquids –10 to +150 °C/14 to 300 °F Non-flammable gases, air –10 to +80 °C/14 to 175 °F Max.
  • Page 21 Design and principle of operation Table 3-3: K coefficients and x values · Terms for noise level calculation according to VDMA 24422 (edition 1.89) Body with screwed ends Connection size G ½ · ½ NPT G ¾ · ¾ NPT G 1 · 1 NPT Standard version  1) coefficients Special version  · 1.0  · 2.5  2)  1) 4)
  • Page 22 Design and principle of operation Table 3-4: Dimensions in mm/in · Weights in kg/lb – Regulator G/NPT ½ ¾ – – ½ – – – – – G · NPT  1) 2) – – Length L – – – –  1) 3) – – –...
  • Page 23 Design and principle of operation Dimensional drawings Body: red brass (DIN version only) Body: stainless steel Ø90 Ø90 Body: spheroidal graphite iron (DIN version  1) Body: stainless steel only) DN 15 and 25 with manual adjuster, DN 40 and 50 as well as 8 to 20 bar set point range with set point screw. Fig. 3-3: Dimensions EB 2626-2 EN...
  • Page 24 Design and principle of operation 3-10 EB 2626-2 EN...

  • Page 25: Shipment And On-Site Transport

    Shipment and on-site transport 4 Shipment and on-site trans- Î Do not open or remove the packaging until immediately before lifting to install port the regulator into the pipeline. The work described in this section is only to Î Leave the regulator in its transport con- be performed by personnel appropriately tainer or on the pallet to transport it on qualified to carry out such tasks.

  • Page 26: Storing The Regulator

    Special storage instructions for elastomers Î Avoid long storage times. Elastomer, e.g. O-rings Î Contact SAMSON in case of different Î To keep elastomers in shape and to pre- storage conditions or longer storage vent cracking, do not bend them or hang times.

  • Page 27: Installation

    Con- the body. tact SAMSON if the lengths are significantly shorter than the recommended lengths. Î Contact SAMSON if the mounting posi- tion is not as specified above. To ensure that the regulator functions proper- ly, proceed as follows: NOTICE Î...

  • Page 28: Preparation For Installation

    Installation 5.2 Preparation for installation Mounting orientation Before mounting, make sure the following For gases, liquids and steam conditions are met: above 60 °C − The regulator is clean. − The regulator is not damaged. − Install a strainer upstream of the regula- tor. − The regulator data on the nameplate Mounting orientation (type designation, valve size, material, For gases and liquids at...
  • Page 29 Installation Table 5-1: Inlet and outlet lengths min. min. a x DN b x DN Inlet length Outlet length State of process Valve conditions Inlet length a Outlet length b medium Ma ≤ 0.3 Vapors Ma ≤ 0.3  1) Free of cavitation/w < 3  Liquid Cavitation producing noise/w ≤ 3  No saturated steam EB 2626-2 EN...

  • Page 30: Installation

    Risk of regulator damage due to the use of 5. Bolt the pipe to the valve free of stress. unsuitable tools. Î Only use tools approved by SAMSON 6. Slowly open the shut-off valves in the (see 'Tools' in Annex). pipeline after the regulator has been in- stalled.

  • Page 31: Leak Test

    Installation release of process medium under pressure SAMSON regulators are delivered ready for can cause serious injury or even death. use. To test the regulator functioning before Before working on the regulator: start-up or putting back the regulator into Î Depressurize all plant sections concerned operation, perform the following tests: and the regulator.

  • Page 32: Insulation

    Installation 2. Shut down the plant again and let it heat NOTICE up until the condensation water has Risk of regulator damage due to a sudden dried off. pressure increase and resulting high flow ve- 3. Insulate the regulator and pipes convey- locities.

  • Page 33: Start-Up

    Start-up 6 Start-up WARNING The work described in this section is only to Risk of personal injury due to pressurized be performed by personnel appropriately components and process medium being qualified to carry out such tasks. discharged. Î Do not loosen the control line while the valve is pressurized.

  • Page 34: Start-Up And Putting The Regulator Back Into Operation

    Start-up 6.1 Start-up and putting the 6.1.2 Starting up the plant regulator back into opera- when vapors are tion controlled 1. Depending on the field of application, 1. Completely drain and dry steam lines to allow the regulator to cool down or prevent water hammering. warm up to reach ambient temperature 2.

  • Page 35: Operation

    Operation 7 Operation 7.1 Adjusting the set point Immediately after completing start-up or Adjust the required set point by turning the placing the regulator back into service (see set point adjuster (8) by hand or the set point the 'Start-up' section), the regulator is ready screw (9) using an Allen key (3 or 5 mm for use.
  • Page 36 Operation EB 2626-2 EN...

  • Page 37: Malfunctions

    Î Remove foreign particles. Foreign particles blocking the plug Î Replace damaged parts. Î Contact SAMSON's After-sales Service. Î Replace the damaged seat and plug. Upstream pressure drops Seat and plug are worn or leak. Î Contact SAMSON's After-sales Service.
  • Page 38 Regulator or K coefficient too Î Change K coefficient, if necessary or install large a different sized regulator. Upstream pressure Î Contact SAMSON's After-sales Service. fluctuates Î Reconnect the control line at another point. Pressure tapped at the wrong place (regulator with external control Î Do not connect the control line at pipe bends or line) necks.

  • Page 39: Emergency Action

    Malfunctions 8.2 Emergency action Note Contact SAMSON's After-sales Service for Plant operators are responsible for emergen- malfunctions not listed in the table. cy action to be taken in the plant. We recommend removing the regulator from The malfunctions listed in section 8.1 are the pipeline before repairing it. caused by mechanical faults and incorrect In the event of a regulator malfunction: regulator sizing. In the simplest case, the...
  • Page 40 Malfunctions EB 2626-2 EN...

  • Page 41: Servicing

    Servicing 9 Servicing WARNING The regulator does not require any mainte- Risk of burn injuries due to hot or cold nance. Nevertheless, it is subject to natural components and pipeline. wear, particularly at the seat, plug and oper- Regulator components and the pipeline may ating diaphragm/bellows. Depending on the become very hot or cold.
  • Page 42 Servicing Legend for Fig. 9-1 NOTICE Valve body Risk of regulator damage due to the use of 1.1 Body gasket unsuitable tools. 1.2 Seal Î Only use tools approved by SAMSON Plug (see 'Tools' in Annex). Seat Borehole in body for upstream pressure p Operating bellows NOTICE Balancing bellows Set point spring...
  • Page 43 Servicing Valve Actuator housing Set point screw All stainless steel and spheroidal graphite iron versions (DN 40/50) as well as 8 to 20 bar set Red brass body with screwed ends point range: hex socket screw with SW 3 or SW 5 (spheroidal graphite iron) Fig. 9-1: Design and principle of operation EB 2626-2 EN...

  • Page 44: Preparing The Valve For Service Work

    Servicing 9.1 Preparing the valve for Î After all service work is completed, check the regulator before putting it back into service work operation (see the 'Testing the regulator' 1. Lay out the necessary material and tools section). to have them ready for the service work. 9.3.1 Cleaning and ex- 2.

  • Page 45: Replacing The Operating Bellows

    3. Screw in the screws (10). Observe the and operating bellows (5) onto the valve specified tightening torques (see 'Tighten- body. ing torques' in Annex). 6. Screw in the screws (10). Observe the specified tightening torques (see 'Tighten- ing torques' in Annex). Contact SAMSON concerning the special tool. EB 2626-2 EN...

  • Page 46: Replacing The Set Point Spring

    9.4 Ordering spare parts and spring operating supplies Î See Fig. 9-1 Contact your nearest SAMSON subsidiary or SAMSON's After-sales Service for infor- Disassembly mation on spare parts, lubricants and tools. 1. Completely relieve the tension from the set point spring (7) by turning the set...

  • Page 47: Decommissioning

    Decommissioning 10 Decommissioning WARNING The work described in this section is only to Risk of personal injury due to pressurized be performed by personnel appropriately components and process medium being qualified to carry out such tasks. discharged. Î Do not loosen the external control line while the valve is pressurized.
  • Page 48 Decommissioning To decommission the regulator for service work or disassembly, proceed as follows: 1. Close the shut-off valve (1 and 6) on the downstream and upstream side of the regulator. 2. Completely drain the pipelines and regu- lator. 3. Depressurize the plant. 4.

  • Page 49: Removal

    Removal 11 Removal 11.1 Removing the regulator from the pipeline The work described in this section is only to be performed by personnel appropriately 1. Support the regulator to hold it in place qualified to carry out such tasks. when separated from the pipeline (see the 'Shipment and on-site transport' sec- WARNING tion).
  • Page 50 Removal 11-2 EB 2626-2 EN...

  • Page 51: Repairs

    If the regulator does not function properly according to how it was originally sized or Defective devices can be returned to does not function at all, it is defective and SAMSON for repair. Proceed as follows to must be repaired or exchanged. return devices to SAMSON: 1. Put the regulator out of operation (see...
  • Page 52 Repairs 12-2 EB 2626-2 EN...

  • Page 53: Disposal

    Disposal 13 Disposal Î Observe local, national and internation- al refuse regulations. Î Do not dispose of components, lubricants and hazardous substances together with your household waste. EB 2626-2 EN 13-1...
  • Page 54 Disposal 13-2 EB 2626-2 EN...

  • Page 55: Certificates

    Certificates 14 Certificates The EU declarations of conformity are in- cluded on the next pages: − EU declaration of conformity in compli- ance with Pressure Equipment Directive 2014/68/EU on page 14-2. EB 2626-2 EN 14-1...
  • Page 56 Certificates 14-2 EB 2626-2 EN...
  • Page 57 Certificates EB 2626-2 EN 14-3...
  • Page 58 Certificates 14-4 EB 2626-2 EN...

  • Page 59: Annex

    DN 40 and 50/NPS 1½ and 2 G ½ to 1 · ½ to 1 NPT DN 15 to 25/NPS ½ to 1 Screws (10) – G 1½ and 2 · 1½ and 2 NPT DN 40 and 50/NPS 1½ and 2 15.2 Lubricant SAMSON's After-sales Service can support you concerning lubricants and sealants ap- proved by SAMSON. 15.3 Tools SAMSON's After-sales Service can support you concerning tools approved by SAMSON. EB 2626-2 EN...

  • Page 60: Spare Parts

    Annex 15.4 Spare parts Red brass body · Screwed end Plug assembly Bellows assembly Handwheel Plug nipple (DN 32 to 50) Body Seal Threaded seat Spring housing Compression spring 321 … 324 Set point spring Spindle Spring plate Gasket O-ring Retaining washer (8 to 20 bar set point range) Shim Spring washer Washer 321…324 Cap screw Hex screw Reinforcement plate Lock nut Seal...
  • Page 61 Annex Spheroidal graphite iron Stainless steel body · Screwed end and body · Flange flange 321…324 321…324 EB 2626-2 EN 15-3...

  • Page 62: After-Sales Service

    E-mail address You can reach our after-sales service at aftersalesservice@samsongroup.com. Addresses of SAMSON AG and its subsid- iaries The addresses of SAMSON, its subsidiaries, representatives and service facilities worldwide can be found on our website (u www.samsongroup.com) or in all...
  • Page 66 EB 2626-2 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samsongroup.com · www.samsongroup.com...

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