Samson 3730 Series Mounting And Operating Instructions
  1. Manuals
  2. Brands
  3. Samson Manuals
  4. Controller
  5. 3730 Series
  6. Mounting and operating instructions

Samson 3730 Series Mounting And Operating Instructions

Electropneumatic actuator
Hide thumbs Also See for 3730 Series:
Table of Contents

Advertisement

Quick Links

Download this manual
EB 8313-3 EN
Translation of original instructions
Type 3372 with 120 cm² actuator area
Type 3372 with 350 cm² actuator area
and Type 3725 Positioner
and Type 3725 Positioner
Type 3372 Electropneumatic Actuator
Actuator area: 120 and 350 cm²
with Type 3725 Positioner or Series 3730 Positioner
Edition November 2022

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 3730 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Samson 3730 Series

Summary of Contents for Samson 3730 Series

  • Page 1 EB 8313-3 EN Translation of original instructions Type 3372 with 120 cm² actuator area Type 3372 with 350 cm² actuator area and Type 3725 Positioner and Type 3725 Positioner Type 3372 Electropneumatic Actuator Actuator area: 120 and 350 cm² with Type 3725 Positioner or Series 3730 Positioner Edition November 2022...
  • 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 ..............1-5 Notes on possible property damage .............1-6 Warnings on the device ................1-8 Markings on the device ................2-1 Actuator nameplate ..................2-1 Design and principle of operation ...............3-1 Operating direction ..................3-1 Signal pressure routing ................3-4 Fail-safe action ...................3-4...
  • Page 4 Removal ....................11-1 11.1 Removing the actuator from the valve ............11-2 11.2 Relieving the spring compression in the actuator ..........11-3 Repairs ....................12-1 12.1 Returning devices to SAMSON ..............12-1 Disposal ....................13-1 Certificates ....................14-1 Appendix ....................15-1 15.1 Tightening torques, lubricants and tools ............15-1 15.2 Spare parts ....................15-1...

  • 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 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.

  • Page 8: Notes On Possible Severe Personal Injury

    > About SAMSON > Material Compliance > REACH If a device contains a substance listed as a substance of very high concern on the candi- date list of the REACH regulation, this is indicated on the SAMSON delivery note. 1.1 Notes on possible severe personal injury DANGER Risk of bursting in the actuator.

  • Page 9: Notes On Possible Personal Injury

    Safety instructions and measures 1.2 Notes on possible personal injury WARNING Crush hazard arising from moving parts. The actuator contains moving parts (actuator stem), which can injure hands or fingers if inserted into the actuator. Î Do not touch the actuator stem or insert hands or finger into the yoke or beneath the actuator stem while the air supply is connected to the actuator.

  • Page 10: Notes On Possible Property Damage

    Safety instructions and measures WARNING Exposure to hazardous substances poses a serious risk to health. Certain lubricants and cleaning agents are classified as hazardous substances. These substances have a special label and a material safety data sheet (MSDS) issued by the manufacturer.
  • Page 11 Risk of actuator damage due to the use of unsuitable tools. Certain tools are required to work on the actuator. Î Only use tools approved by SAMSON (u AB 0100). Risk of actuator damage due to the use of unsuitable lubricants. The lubricants to be used depend on the actuator material. Unsuitable lubricants may corrode and damage surfaces.

  • Page 12: Warnings On The Device

    Safety instructions and measures 1.4 Warnings on the device The following warning is only affixed to the device on delivery when the actuator is fitted with preloaded springs in the delivered state: Warning symbols Meaning of the warning Location on the device Warning to indicate that actuator parts are pres- surized.

  • Page 13: Markings On The Device

    Markings on the device 2 Markings on the device includes all details required to identify the device. The nameplate shown was up to date at the time of publication of this document. The nameplate on the device may differ from the one shown.
  • Page 14 Markings on the device cm² S/N: Mat. Fig. 2-3: Inscriptions on the nameplate of the Type 3372 Actuator with 120 cm² actuator area Item Inscription meaning Item Inscription meaning 2 Type designation 30 Version (optional), e.g. SAM001 3 Company name 31 Version (optional), e.g. HW xx.xx.xx 4 Company address (ZIP/postal code and city) 33 ID of the notified body (EU), for example: −...

  • Page 15: Design And Principle Of Operation

    120 or action is fixed at the ordering stage and 350 cm². They are mainly used for attach- cannot be changed. ment to SAMSON Series V2001 Valves: − Type 3321 Globe Valve Actuator stem extends (FA) − Type 3323 Three-way Valve With fail-safe action "actuator stem ex-...
  • Page 16 Design and principle of operation Actuator stem retracts Actuator stem extends Bottom diaphragm case A16 Top diaphragm case Actuator stem A17 Crossbeam A10 Spring A18 Diaphragm A11 Rod A25 Rod nut A13 Diaphragm plate A26 Collar nut A14 Diaphragm plate A30 Stem connector clamps Fig. 3-1: Type 3372 with 120 cm²...
  • Page 17 Design and principle of operation Top diaphragm case A20 Hex bolt A42 Dry bearing Bottom diaphragm case A21 Hex nut A50 Screw for rod (A51) Diaphragm A25 Washer A51 Rod Diaphragm plate A27 Compressor A54 Rod nut Actuator stem A33 Stem A60 Plate A10 Spring A40 Radial shaft seal...

  • Page 18: Signal Pressure Routing

    Design and principle of operation 3.2 Signal pressure routing 3.3 Fail-safe action The signal pressure of the mounted When the signal pressure is reduced or the Type 3725 Positioner is routed through the control signal fails, the fail-safe position of corresponding port in the support element. the control valve (see Chapter 3.1) depends on whether the springs are installed in the Actuator stem extends (FA)

  • Page 19: Actuator Stem Retracts

    Design and principle of operation 3.3.2 Actuator stem retracts When the signal pressure is reduced or the control signal fails, the springs move the ac- tuator stem upward and open a mounted globe valve. The valve closes when the signal pressure is increased enough to overcome the spring force.
  • Page 20 Design and principle of operation Table 3-2: Mounting onto Series V2001 Valves 120 cm² Stem extends (FA) Stem retracts (FE) 2.1 to 3.3 1.4 to 2.3 0.4 to 1.4 1.4 to 2.3 Type Travel 15 mm 3321 15 to 50 0.25 to 35 3321 65 to 100 40 to 100...

  • Page 21: Versions

    Design and principle of operation 3.5 Versions 3.7 Technical data − Standard version of Type 3372 The nameplate provides information on the (120 cm²) actuator version (see the 'Markings on the The housings of Type 3372 Electropneu- device' chapter). matic Actuators have an actuator area of 120 cm²...
  • Page 22 Design and principle of operation Table 3-3: Explosion protection certificates for Type 3372 in combination with a positioner and any optionally mounted limit switch The listed technical data for actuators used in hazardous areas may be further restricted by the limits specified in the test certificates of the positioner and any optionally mounted limit switch.
  • Page 23 Design and principle of operation Table 3-4: Technical data Actuator area 120 cm² 350 cm² 0.4 to 2.1 to 1.5 to 2.1 to 1.5 to 2.2 to Bench range in bar 1.4 to 2.3 Fail-safe action Stem Stem Stem Stem Stem Stem Stem Stem retracts...
  • Page 24 3-10 EB 8313-3 EN...

  • Page 25: Shipment And On-Site Transport

    (e.g. crane or forklift) is to be After receiving the shipment, proceed as fol- used, SAMSON has a gripping device avail- lows: able for the actuator (see section 'Accesso- ries' in the 'Design and principle of opera- 1.

  • Page 26: Lifting The Actuator

    Î Observe the storage instructions. Î Avoid long storage times. Special storage instructions for elastomers Î Contact SAMSON in case of different Elastomer, e.g. actuator diaphragm storage conditions or longer storage − To keep elastomers in shape and to pre- times.

  • Page 27: Installation

    5.2 Mounting the actuator to ignition of the atmosphere and ultimately to death. Depending on the version, SAMSON control Î The following regulations apply to instal- valves are either delivered with the actuator lation in hazardous areas: EN 60079-14 already mounted on the valve or the valve (VDE 0165, Part 1).

  • Page 28: Mounting The Actuator Onto The Valve

    Risk of actuator damage due to the use of ator stem. unsuitable tools. Î Do not touch the actuator stem or insert Î Only use tools approved by SAMSON hands or finger into the yoke while the (u AB 0100). air supply is connected to the actuator.
  • Page 29 Installation a) 120 cm² version 5. Fail-safe action "stem extends": position the stem connector clamps (A30) and screw them tight. Observe tightening Mounting using crossbeam (form B, see torques. Fig. 5-1) Fail-safe action "stem retracts": apply pressure to the top diaphragm chamber NOTICE until the actuator stem touches the plug The actuator can be damaged.
  • Page 30 Installation Mounting using rods (form C, see Fig. 5-2) 1. Remove the stem connector clamps (A29) from the actuator. 2. Insert the rods (A11) into the bushings (A9) and place them in the correspond- ing holes on the valve bonnet (2). 3. Tighten the rod nuts (A119) in alternat- ing sequence.
  • Page 31 Installation b) 350 cm² version screw them tight. Observe tightening torques. Mounting using rods (form C, see Fig. 5-3) Fail-safe action "stem retracts": apply pressure to the top diaphragm chamber 1. Remove the clamps of the stem connector until the actuator stem touches the plug (A12) from the actuator.

  • Page 32: Connections

    Installation 5.3 Connections The actuator is fitted with M20x1.5 black plastic cable glands and a pneumatic con- necting plate G ¼ as standard. Î If other connections are required, use the accessories listed in the mounting and operating instructions of the positioner (e.g.

  • Page 33: Start-Up

    Start-up 6 Start-up WARNING The work described in this chapter is to be Risk of personal injury due to preloaded performed only by personnel appropriately springs. qualified to carry out such tasks. Actuators with preloaded springs are under tension. These actuators can be identified by several longer bolts with nuts protruding DANGER from the bottom diaphragm case.

  • Page 34: Spring Compression

    Start-up Î Before unblocking the actuator stem after − In combination with a SAMSON valve: it has become blocked (e.g. due to seiz- the actuator travel range can be adapted ing up after remaining in the same posi- to a smaller valve travel range tion for a long time), release any stored 6.1.1...

  • Page 35: Increasing The Actuator Thrust

    1.65 bar and the new upper signal range action cannot be preloaded. When a value 2.25 bar. SAMSON valve is combined with an oversized actuator (e.g. the rated travel of Î Write the new signal pressure range of the actuator is larger than the rated travel of 1.65 to 2.25 bar on the actuator name-...
  • Page 36 Start-up Hex bolt Hex nut Hex bolt (preloading) Washer Fig. 6-1: Type 3372 with 350 cm² actuator area and clamping bolts EB 8313-3 EN...

  • Page 37: Operation

    Operation 7 Operation WARNING WARNING The work described in this chapter is to be Crush hazard arising from the moving performed only by personnel appropriately actuator stem. qualified to carry out such tasks. Î Do not insert hands or finger into the yoke while the air supply is connected to the actuator.

  • Page 38: On/Off Service

    7.2 On/off service does not contain any springs (see Fig. 3-1 and Fig. 3-2 in the 'Design and In on/off service, the supply pressure must principle of operation' chapter). be limited depending on the bench range or Î Only use vent plugs that let air through operating range of the actuator.

  • Page 39: Malfunctions

    Malfunctions 8 Malfunctions Read hazard statements, warnings and caution notes in the 'Safety instructions and mea- sures' chapter. 8.1 Troubleshooting Malfunction Possible reasons Recommended action Actuator stem does not Actuator is blocked. Check attachment. move on demand. Remove the blockage. WARNING! A blocked actuator (e.g.

  • Page 40: Emergency Action

    Malfunctions 8.2 Emergency action Plant operators are responsible for emergen- cy action to be taken in the plant. EB 8313-3 EN...

  • Page 41: Servicing And Conversion

    Servicing and conversion 9 Servicing and conversion Î Depressurize all plant sections concerned and the actuator. Release any stored en- The work described in this chapter is to be ergy. performed only by personnel appropriately qualified to carry out such tasks. WARNING The following documents are also required for servicing the valve:...
  • Page 42 NOTICE 'Removal' chapter. Risk of actuator damage due to the use of unsuitable tools. Î Only use tools approved by SAMSON WARNING (u AB 0100). Risk of personal injury due to incorrect operation, use or installation as a result of incorrect information on the actuator.

  • Page 43: Periodic Testing

    Servicing and conversion 9.1 Periodic testing 5. Unthread and remove the bolts and nuts including shims from around the dia- Depending on the operating conditions, phragm case. Keep the parts in a safe check the actuator at certain intervals to pre- place for later use.
  • Page 44 Servicing and conversion Actuator stem retracts Actuator stem extends Bottom diaphragm case A16 Top diaphragm case Actuator stem A17 Crossbeam A10 Spring A18 Diaphragm A11 Rod A25 Rod nut A13 Diaphragm plate A26 Collar nut A14 Diaphragm plate A30 Stem connector clamps Fig. 9-1: Version with 120 cm²...
  • Page 45 Servicing and conversion Top diaphragm case A21 Hex nut A51 Rod Bottom diaphragm case A25 Washer A54 Rod nut Diaphragm A27 Compressor A60 Plate Diaphragm plate A33 Stem A61 Support element Actuator stem A40 Radial shaft seal Signal pressure connection (stem retracts) A10 Spring A41 Wiper ring A15 Collar nut...

  • Page 46: Service Work

    Servicing and conversion 9.4 Service work 8. Apply a suitable lubricant to the actuator stem (A3). See Fig. 9-1 and Fig. 9-2 9. Place the actuator stem (A3) together with the diaphragm plate (A14), dia- 9.4.1 Replacing the phragm (A18) and diaphragm plate diaphragm (A13) in the bottom diaphragm case (A2).
  • Page 47 Servicing and conversion 8. Check whether the springs (A10) rest 7. Check the sealing element on the collar correctly in the bottom diaphragm case nut (A15). If necessary, renew it. (A2). 8. Tighten the collar nut (A15). Observe 9. Apply a suitable lubricant to the actuator tightening torques.

  • Page 48: Replacing The Actuator Stem Seals

    Servicing and conversion a) 120 cm² version 6. Place the compressor (A27) onto the ac- tuator stem (A7). 7. Check the sealing element on the collar Actuator stem extends nut (A15). If necessary, renew it. 1. Lift off the top diaphragm case (A16) 8.
  • Page 49 Servicing and conversion 12. Fasten the top and bottom diaphragm Actuator stem retracts cases (A16, A2) together using the nuts 1. Lift off the top diaphragm case (A16). (A24) and bolts (A22). Place on the 2. Pull the actuator stem (A3) together with screw-on cap (A21).
  • Page 50 Servicing and conversion 8. Check whether the springs (A10) rest 6. Use a suitable tool to mount the radial correctly in the bottom diaphragm case shaft seal. Observe the correct alignment (A2). of the radial shaft seal (see Fig. 9-4). 9. Apply a suitable lubricant to the actuator 7.
  • Page 51 Servicing and conversion 5. Apply a suitable lubricant to the seal lip 11. Place on the top diaphragm case (A1). of the new radial shaft seal. 12. Fasten the top and bottom diaphragm 6. Use a suitable tool to mount the radial cases (A1, A2) together using the nuts shaft seal.

  • Page 52: Conversion Work

    9.5.1 Reversing the direction Contact your nearest SAMSON subsidiary of action or SAMSON's After-sales Service for infor- mation on spare parts, lubricants and tools. The direction of action (and fail-safe action) of the Type 3372 Electropneumatic Actuator Spare parts with 120 and 350 cm²...

  • Page 53: Decommissioning

    Decommissioning 10 Decommissioning WARNING The work described in this chapter is to be Risk of personal injury due to preloaded performed only by personnel appropriately springs. qualified to carry out such tasks. Actuators with preloaded springs are under tension. These actuators can be identified by several longer bolts with nuts protruding DANGER from the bottom diaphragm case.
  • Page 54 Decommissioning Î Before unblocking the actuator stem after it has become blocked (e.g. due to seizing up after remaining in the same position for a long time), release any stored energy in the actuator (e.g. spring compression). See section 'Relieving the spring compression in the actuator' in the 'Removal' chapter.

  • Page 55: Removal

    Removal 11 Removal WARNING The work described in this chapter is to be Risk of personal injury due to preloaded performed only by personnel appropriately springs. qualified to carry out such tasks. Actuators with preloaded springs are under tension. These actuators can be identified by several longer bolts with nuts protruding DANGER from the bottom diaphragm case.

  • Page 56: Removing The Actuator From The Valve

    Removal Î Before unblocking the actuator stem after 6. Lift the central nut (98) and actuator off it has become blocked (e.g. due to the valve. seizing up after remaining in the same 7. Screw tight the central nut (98) on the position for a long time), release any valve.

  • Page 57: Relieving The Spring Compression In The Actuator

    Removal 11.2 Relieving the spring com- 3. Undo the rod nuts (A54) in alternating sequence. pression in the actuator 4. Pull the rods (A33, A51) out of the holes See Fig. 11-1 in the valve bonnet (2). The long clamping bolts with clamping nuts 5.
  • Page 58 Removal Hex bolt Hex nut Hex bolt (preloading) Washer Fig. 11-1: Type 3372 with 350 cm² actuator area and clamping bolts 11-4 EB 8313-3 EN...

  • Page 59: Repairs

    Î Do not perform any repair work on your ration on Decontamination) to the out- own. side of your shipment so that the docu- Î Contact SAMSON's After-sales Service ments are clearly visible. for service and repair work. 4. Send the shipment to the address given on the RMA.
  • Page 60 12-2 EB 8313-3 EN...

  • Page 61: Disposal

    Disposal 13 Disposal SAMSON is a producer registered at the following European institution u https://www.ewrn.org/national- registers/national-registers. WEEE reg. no.: DE 62194439/ FR 02566 Î Observe local, national and internation- al refuse regulations. Î Do not dispose of components, lubricants and hazardous substances together with your household waste.
  • Page 62 13-2 EB 8313-3 EN...

  • Page 63: Certificates

    Certificates 14 Certificates These declarations and certificates are in- cluded on the next pages: − Declaration of conformity in compliance with Directive 2014/30/EU on page 14-2 − Declaration of incorporation in compli- ance with Machinery Directive 2006/42/EC, see page 14-3 − Declaration of incorporation in compli- ance with the Directive 2008 No. 1597 Supply of Machinery (Safety) Regulations 2008, see page 14-4...
  • Page 64 EMC 2014/30/EU +A1:2011, EN 61326-1:2013 RoHS 2011/65/EU EN 50581:2012 Hersteller / Manufacturer / Fabricant: SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 D-60314 Frankfurt am Main Deutschland/Germany/Allemagne Frankfurt / Francfort, 2017-07-29 Im Namen des Herstellers/ On behalf of the Manufacturer/ Au nom du fabricant.
  • Page 65 EB 8313-3 EN 14-3...
  • Page 66 Frankfurt am Main, 9 August 2022 i.V. Stephan Giesen i.V. Peter Scheermesser Director Director Product Management Product Maintenance & Engineered Products Revision 01 Classification: Public · SAMSON AKTIENGESELLSCHAFT · Weismuellerstrasse 3 · 60314 Frankfurt am Main, Germany Page 1 of 1 14-4 EB 8313-3 EN...

  • Page 67: Appendix

    Appendix 15 Appendix 15.1 Tightening torques, lubricants and tools u AB 0100 for tools, tightening torques and lubricants 15.2 Spare parts Type 3372 Actuator with 120 cm² actuator area Bottom diaphragm case Pneumatic connection Radial shaft seal Wiper ring Protective cap Dry bearing Rod nut (hex nut) Actuator stem Stopper Label...
  • Page 68 Type 3372 Actuator with 120 cm² actuator area 7/8/9/10 15-2 EB 8313-3 EN...
  • Page 69 Mounting without cross- beam Mounting with crossbeam EB 8313-3 EN 15-3...
  • Page 70 Appendix Type 3372 Actuator with 350 cm² actuator area Top diaphragm case Bottom diaphragm case Diaphragm Diaphragm plate Actuator stem 10/11 Spring Stem connector clamp Stem connector clamp Screw Collar nut Vent plug Hex bolt Hex nut Hex bolt (preloading) Washer Compressor Washer Radial shaft seal Wiper ring...
  • Page 71 Type 3372 Actuator with 350 cm² actuator area EB 8313-3 EN 15-5...

  • Page 72: After-Sales Service

    Addresses of SAMSON AG and its subsid- Importer iaries SAMSON Controls Ltd The addresses of SAMSON AG, its subsid- Perrywood Business Park iaries, representatives and service facilities Honeycrock Lane worldwide can be found on our website Redhill, Surrey RH1 5JQ (www.samsongroup.com) or in all SAMSON Phone: +44 1737 766391...
  • Page 76 EB 8313-3 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...

This manual is also suitable for:

33723375

Table of Contents