Samson Type 3374 Mounting And Operating Instructions
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Samson Type 3374 Mounting And Operating Instructions

Samson Type 3374 Mounting And Operating Instructions

Electric actuator
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Type 3374 Electric Actuator
Three-step version
Mounting and
Operating Instructions
EB 8331-3 EN
Edition December 2012
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Summary of Contents for Samson Type 3374

  • Page 1 Type 3374 Electric Actuator Three-step version Mounting and Operating Instructions EB 8331-3 EN Edition December 2012...
  • 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 ([email protected]). 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 ..............8 Markings on the device .................9 Nameplate ....................9 Design and principle of operation ..............10 Versions ......................10 Additional equipment ...................11 3.2.1 Mechanical limit contacts ................11...
  • Page 4 Contents Servicing.....................32 Preparation for return shipment ..............32 Malfunctions ....................33 Emergency action ..................33 Decommissioning and disassembly ..............34 Decommissioning ..................34 Removing the actuator from the valve ............34 9.2.1 Construction with integrated yoke ..............34 9.2.2 Construction with ring nut ................34 Disposal ......................35 Annex......................36 10.1 After-sales service ..................36 10.2...

  • Page 5: Safety Instructions And Measures

    Therefore, operators must ensure that the actuator is only used in applications that meet the specifications used for sizing the actuator at the ordering stage. In case operators intend to use the actuator 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 Safety instructions and measures Revisions and other modifications Revisions, conversions or other modifications to the product are not authorized by SAMSON. They are performed at the user's own risk and may lead to safety hazards, for example. Furthermore, the product may no longer meet the requirements for its intended use. Safety features Upon power supply failure, the Type 3374 Electric Actuator causes the valve to move to a certain fail-safe position. The fail-safe action of SAMSON actuators is specified on the...

  • Page 7: Notes On Possible Severe Personal Injury

    Safety instructions and measures Referenced documentation The following documents apply in addition to these mounting and operating instructions: − Mounting and operating instructions of the valve on which the electric actuator is mounted, e.g. for SAMSON valves: u EB 5861 for Type 3260 Three-way Valve u EB 5868 for Type 3213 and Type 3214 Globe Valves u EB 8113 for Type 3323 Three-way Valve u EB 8131 for Type 3531 Globe Valve for Heat Transfer Oil...

  • Page 8: Notes On Possible Personal Injury

    Safety instructions and measures 1.2 Notes on possible personal injury WARNING Crush hazard arising from moving parts. The electric actuator contains moving parts (actuator and plug stems), which can injure hands or fingers if inserted into the actuator. Î Do not insert hands or fingers into the yoke while the valve is in operation. Î Disconnect the power supply before performing any work on the control valve. Î...

  • Page 9: Markings On The Device

    Markings on the device 2 Markings on the device 2.1 Nameplate SAMSON 3374- Electric Actuator Var.-ID Serial no. 0062 SAMSON AG, Germany Made in Germany Type designation Additional electrical equipment Configuration ID Mechanical limit contacts Serial number Power supply; power line frequency Power consumption Electronic limit contacts...

  • Page 10: Design And Principle Of Operation

    The Type 3374 Electric Actuator is used in industrial plants as well as in heating, venti- lation and air-conditioning systems. The actuator is suitable for form-fit attach- ment to various SAMSON valve series, de- pending on the version with or without fail-safe action. The stepper motor is switched off by tor- que-dependent switches in the end positions or in case of overload.

  • Page 11: Additional Equipment

    Design and principle of operation 3.2 Additional equipment 3.3 Manual override The actuator can be equipped with mechani- To move the actuator stem manually, place a cal limit contacts or with resistance transmit- 4 mm hex wrench on the red actuator shaft ters to influence the tasks of control equip- located at the side of the housing (see ment.

  • Page 12: Technical Data

    Design and principle of operation 3.4 Technical data Table 1: Technical data for Type 3374 Actuator Type 3374 Fail-safe action Without Extends Retracts Yoke • • • • Version with Ring nut • • • Rated travel Transit time for rated travel Standard Fast In the event of fail-safe –...
  • Page 13 Design and principle of operation Actuator Type 3374 Overvoltage category II according to EN 60664 Design and testing EN 61010 Class of protection II according to EN 61140 Noise immunity EN 61000-6-2, EN 61326 Noise emission EN 61000-6-3, EN 61326 · Compliance Hex wrench · Adjustment not possible after fail-safe action has been triggered. Manual override Manual override only possible when power supply is connected (see section 5).

  • Page 14: Dimensions In Mm

    Design and principle of operation 3.5 Dimensions in mm Type 3374-10/-11/-21/-31 When actuator stem is fully extended Type 3374 Dimension h EB 8331-3 EN...
  • Page 15 Design and principle of operation Types 3374-15/-26/-36 When actuator stem is fully extended Type 3374 Dimension h Dimension h – – – – EB 8331-3 EN...

  • Page 16: Measures For Preparation

    − Observe storage instructions. 4.1 Unpacking − Avoid long storage times. − Contact SAMSON in case of different sto- rage conditions or long storage periods. Note Do not remove the packaging until immedia- tely before mounting and start-up.

  • Page 17: Mounting And Start-Up

    Mounting and start-up 5 Mounting and start-up NOTICE Risk of malfunction due to incorrectly performed start-up. Perform start-up following the described sequence. 1. Mount the actuator onto the valve. Î See section 5.1. 2. Connect power supply. Î See section 5.2. 5.1 Mounting the actuator onto the valve 5.1.1 Mounting position The control valve can be installed in the pipeline in any desired position. However, a suspen-...

  • Page 18: Construction With Integrated Yoke

    Measures for preparation 5.1.2 Construction with integ- 5.1.3 Construction with ring rated yoke Attachment Attachment to Series 240 Valves − Series V2001 Valves (DN 15 to 80) Î See Fig. 6 on page 19. − Type 3260 (DN 65 to 150) 1. Slide plug stem down to close the valve. − Type 3214 (DN 65 to 100) 2. Turn the stem connector nut (8) until the Î...
  • Page 19 Measures for preparation 3. Retract actuator stem (3) as described in Types 3374-15/-26/-36 section 3.3. Connection with ring nut Attachment to Series 240 Valves 4. Place actuator onto the valve bonnet (2.3) and secure using the ring nut (7). 5. When the stem connector nut (8) rests on the actuator stem, attach both stem connector clamps (4) and fasten with screws.

  • Page 20: Electrical Connections

    Measures for preparation 5.2 Electrical connections DANGER Risk of electric shock. − Upon installation of the electric cables, you are required to observe the regulations concerning low-voltage installations accor- ding to DIN VDE 0100 as well as the regu- lations of your local power supplier. −...
  • Page 21 Measures for preparation Controller Mechanical limit contacts 41 44 42 51 54 52 – Resistance transmitter 81 82 83 91 92 93 el Retracts al Extends Type 3374 Actuator Table 4: Cables and stranded wires that can be used Cable Cross section Single-wire H05(07) V-U 0.2 to 1.5 mm²...

  • Page 22: Additional Functions

    Additional functions 6 Additional functions 6.1 Mechanical limit contacts To install the limit contacts, the following retrofit kits are required: − Basic unit: order no. 1400-8829 (see Fig. 9) − Retrofit kit: order no. 1402-0898 (see Fig. 10) Î When ordering the limit contacts, state the configuration ID and the type designation of the actuator. Both specifications are written on the nameplate (see section 2.1). 6.1.1 Retrofitting limit contacts (without resistance transmitters) DANGER Risk of electric shock. Before installing electrical accessories, switch off the power supply and disconnect the signal input.
  • Page 23 Additional functions Intermediate gear Spindle gear Serrated ring (for 1) Tension spring Serrated ring (for 10) 10 Shim Fig. 9: Basic unit: order no. 1400-8829 Serrated ring Spacer Snap ring 16 Screw WN 1412 17 Terminal board 18 Adjustment gear 19 Contact cam 20 Cam holder Fig. 10: Retrofit kit: order no.
  • Page 24 Additional functions Î Refer to Fig. 11 responding with the position of the actu- ator stem. 1. Unscrew screws on housing cover and take the cover off the actuator. 11. Slide the cam holder with both contact cams onto the spindle 2 (11.2) corres- 2.
  • Page 25 Additional functions 11.1 11.2 Intermediate gear Spindle gear Serrated ring Tension spring Spacer 11.1 Spindle 1 11.2 Spindle 2 Actuator board Bearing sleeve Terminal board Adjustment gear Contact cams Cam holder Fig. 11: Installing the limit contacts EB 8331-3 EN...

  • Page 26: Retrofitting (When Resistance Transmitters Are Already Installed)

    Additional functions 6.1.2 Retrofitting (when re- Legend for Fig. 12 to Fig. 14: Intermediate gear sistance transmitters are Serrated ring already installed) 11.2 Spindle 2 Shim 1. Unscrew screws on housing cover and Actuator board take the cover off the actuator. Adjustment gears Contact cam 2.
  • Page 27 Additional functions 11.2 Fig. 12: Retrofitting limit contacts (when resistance transmitters are already installed) When actuator stem retracted Actuator stem Actuator stem retracted extended Fig. 13: Alignment of contact cam and cam holder When actuator stem extended Fig. 14: Alignment of the contact cam unit EB 8331-3 EN...

  • Page 28: Resistance Transmitters

    Additional functions 6.2 Resistance transmitters Place the serrated ring (6) and push it down as far as it will go. 4. The resistance transmitter gears (22 and 6.2.1 Installing the resistance 23) fitted with serrated rings must be put transmitters onto their shafts to correspond with the rated travel of the valve.
  • Page 29 Additional functions 11.1 11.2 11.4 11.3 Intermediate gear Actuator board (top view): Spindle gear Serrated ring Tension spring Serrated ring Shim 11.1 Spindle 1 11.2 Spindle 2 11.3 Spindle 3 11.4 Spindle 4 Actuator board Bearing sleeve Gear for potentiometer 1 Gear for potentiometer 2 Fig. 15: Installing the resistance transmitters EB 8331-3 EN...

  • Page 30: Installing The Resistance Transmitters (When Limit Contacts Are Already Installed)

    Additional functions 6.2.3 Installing the resistance 3. Unscrew fastening screws. Slide the actu- ator board (12) from its guiding to the transmitters (when limit right. Slightly lift the board and continue contacts are already in- pushing it further towards the cable stalled) entry.

  • Page 31: Adjusting The Resistance Transmitters

    Additional functions 6.2.4 Adjusting the resistance Zero point adjustment transmitters 1. Use the motor or manual override to mo- ve the valve to the desired end position. The gears of the resistance transmitters (22) 2. Use a screwdriver to adjust the potentio- and (23) must be put onto their shafts to cor- meter shafts (22.1) and (23.1).

  • Page 32: Servicing

    Servicing 7 Servicing Note The electric actuator was checked by SAMSON before it left the factory. − The product warranty becomes void if ser- vice or repair work not described in these instructions is performed without prior agreement by SAMSON's After-sales Ser- vice department.

  • Page 33: Malfunctions

    Malfunctions 8 Malfunctions Î Troubleshooting (see Table 5). Note Contact SAMSON's After-sales Service department for malfunctions not listed in the table. Table 5: Troubleshooting Error Possible reasons Recommended action Actuator stem does not move. Actuator is blocked. Î Check attachment. Î Unblock the actuator.

  • Page 34: Decommissioning And Disassembly

    Decommissioning and disassembly 9 Decommissioning and 9.1 Decommissioning disassembly To decommission the electric actuator for repair work or disassembly, proceed as follows: DANGER Risk of electric shock. 1. Put the control valve out of operation. Before disconnecting live wires, switch off the See associated valve documentation.

  • Page 35: Disposal

    Decommissioning and disassembly 9.3 Disposal Î Observe local, national and internatio- nal refuse regulations. Î Do not dispose of components, lubricants and hazardous substances together with your other household waste. EB 8331-3 EN...

  • Page 36: Annex

    Addresses of SAMSON AG and its subsi- diaries The addresses of SAMSON AG, its subsidia- ries, representatives and service facilities worldwide can be found on the SAMSON website or in all SAMSON product catalogs. Required specifications Please submit the following details: − Type designation −...

  • Page 37: Selecting Actuator Boards

    Annex 10.2 Selecting actuator boards Table 6: Actuator boards (order number 1180-96xx) available for retrofitting resistance transmitters Type 3374 0.125 mm/s 1180-9601 1180-9607 230 V/50 Hz 0.25 mm/s 1180-9604 1180-9610 230 V/60 Hz 1180-9637 1180-9643 0.125 mm/s 1180-9603 1180-9609 24 V/50 Hz 0.25 mm/s 1180-9606 1180-9612 24 V/60 Hz 1180-9639 1180-9645 0.125 mm/s 120 V/60 Hz 1180-9638 1180-9644 EB 8331-3 EN...
  • Page 38 EB 8331-3 EN...
  • Page 39 EB 8331-3 EN...
  • Page 40 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 8331-3 EN [email protected] · www.samson.de...

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