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  5. Mounting And Operating Instructions

Samson 3271 Mounting And Operating Instructions - 4.3  Storage

Manual is about: In combination with an actuator/Pneumatic Actuator

Summary of 3271

  • Page 1

    Translation of original instructions eb 8310-6 en mounting and operating instructions edition march 2017 type 3271 and type 3277 pneumatic actuators actuator area: 240, 350, and 700 cm² type 3271 type 3277.

  • 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. Î for the safe and proper use of these instructions, read them carefully and keep them for lat...

  • Page 3

    Contents eb 8310-6 en 3 1 safety instructions and measures ...................................................................5 1.1 notes on possible severe personal injury .........................................................7 1.2 notes on possible personal injury .................................

  • Page 4

    Contents 4 eb 8310-6 en 6 operation ...................................................................................................30 6.1 throttling service ..........................................................................................30 6.2 on/off service ..............................

  • Page 5

    Eb 8310-6 en 5 safety instructions and measures 1 safety instructions and measures intended use the samson type 3271 and type 3277 actuators are designed for operating a mounted globe valve. In combination with the valve, the actuators are used to shut off the flow of liq- uids, gases or vapors in t...

  • Page 6

    6 eb 8310-6 en safety instructions and measures personal protective equipment we recommend wearing the following personal protective equipment when handling the type 3271 and type 3277 pneumatic actuators: − protective gloves when mounting or removing the actuator Î check with the plant operator for...

  • Page 7

    Eb 8310-6 en 7 safety instructions and measures referenced standards and regulations according to the ignition risk assessment performed in accordance with en 13463-1:2009, section 5.2, the non-electrical actuators do not have their own potential ignition source even in the rare incident of an opera...

  • Page 8

    8 eb 8310-6 en 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 insert hands or fingers into the yoke ...

  • Page 9

    Eb 8310-6 en 9 safety instructions and measures 1.3 notes on possible property damage notice ! Risk of actuator damage due to incorrectly attached slings. Î do not attach load-bearing slings to the handwheel or travel stop. Risk of actuator damage due to excessively high or low tightening torques. O...

  • Page 10: 2  Markings On The Device

    10 eb 8310-6 en markings on the device 2 markings on the device 2.1 actuator nameplate the nameplate is stuck on the diaphragm casing. It includes all details required to identify the device: 2 configuration id 3 serial number 4 actuator area 5 bench range in bar 6 bench range in psi 7 operating tra...

  • Page 11: Ation

    Eb 8310-6 en 11 design and principle of operation 3 design and principle of oper- ation the samson type 3271 and type 3277 actuators with 240. 350, and 700 cm² actu- ator areas are mounted to series 240, 250, 280, and 290 valves (globe valves). 3.1 type 3271 the actuator mainly consists of two dia- ...

  • Page 12: 3.2  Type 3277

    12 eb 8310-6 en design and principle of operation sion, taking into account the rated travel. The travel is proportional to the signal pressure p st . The direction of action of the actuator stem (a7) depends on how the springs are installed in the actuator. A maximum of 12 springs (240 and 350 cm²)...

  • Page 13: 3.3  Direction of Action

    Eb 8310-6 en 13 design and principle of operation 3.3 direction of action the direction of action is determined by how the springs (a10) and diaphragm plate (a5) are arranged in the actuator. With direction of action "actuator stem ex- tends", the compressed air is applied to the signal pressure con...

  • Page 14: Action "actuator Stem

    14 eb 8310-6 en design and principle of operation 3.5.1 version with direction of action "actuator stem extends" (fa) when the signal pressure is reduced or the control signal fails, the springs move the ac- tuator stem downward and close the globe valve. The valve opens when the signal pres- sure i...

  • Page 15: 3.7  Technical Data

    Eb 8310-6 en 15 design and principle of operation 3.7 technical data the nameplate provides information on the actuator version (see section 2.1). More information is available in data sheet u t 8310-1. Supply pressure the maximum permissible supply pressure is 6 bar in throttling service. See secti...

  • Page 16

    16 eb 8310-6 en design and principle of operation dimensions and weights the dimensions and weights are listed in table 1. The lengths and heights in the dimension diagrams are shown on page 17 onwards. Table 1: dimensions in mm and weights in kg actuator type 3271 3277 actuator area cm² 240 350 700...

  • Page 17

    Eb 8310-6 en 17 design and principle of operation dimensional drawings a a h h6 h4 Ød Ød2 Ød h7 h a2 h5 h4 h6 a Ød Ød2 Ød standard version of type 3271 (700 cm²) standard version of type 3277 (240, 350 cm²) l a a h h8 h6 h4 Ød Ød2 Ød type 3277 (side view) type 3271 with travel stop.

  • Page 18

    18 eb 8310-6 en design and principle of operation Ød1 Ød Ød2 55 Ød h h1 h4 h6 h5 a2 h2 a type 3277 with handwheel.

  • Page 19: 4.1  Unpacking

    Eb 8310-6 en 19 measures for preparation 4 measures for preparation after receiving the shipment, proceed as fol- lows: 1. Check the scope of delivery. Compare the shipment received against the deliv- ery note. 2. Check the shipment for transportation damage. Report any damage to samson and the forw...

  • Page 20: 4.2.1  Transporting

    20 eb 8310-6 en measures for preparation 4.2.1 transporting the actuator can be transported using lifting equipment (e.G. Crane or forklift). Î leave the actuator in its transport con- tainer or on the pallet to transport it. Î observe the transport instructions. Transport instructions − protect the...

  • Page 21

    Eb 8310-6 en 21 measures for preparation lifting the actuator (without valve) risk of actuator damage due to incorrectly attached slings. The welded-on lifting eyelet on the top dia- phragm case is intended for mounting and removing the actuator as well as lifting the actuator without valve. Do not ...

  • Page 22: 4.3  Storage

    22 eb 8310-6 en measures for preparation lifting the entire control valve assembly Î see associated valve documentation for instructions on how to lift a control valve. 4.3 storage risk of actuator damage due to improper storage. − observe storage instructions. − avoid long storage times. − contact ...

  • Page 23

    Eb 8310-6 en 23 measures for preparation 4.4 preparation for installation proceed as follows: Î check the actuator for damage. Î check to make sure that the type desig- nation, material and temperature range of the actuator match the ambient condi- tions (temperatures etc.). Î check the pressure gau...

  • Page 24: 5  Mounting and Start-Up

    24 eb 8310-6 en mounting and start-up 5 mounting and start-up samson control valves are delivered ready for use. In special cases, the valve and actu- ator are delivered separately and must be assembled on site. The procedure to mount and start up the actuator are described in following. Risk of act...

  • Page 25

    Eb 8310-6 en 25 mounting and start-up 2 84 9 10 8 a8 a7 a26/27 a x 2 bonnet/flange 8 threaded bushing 9 stem connector nut 10 lock nut 84 travel indicator scale a7 actuator stem a8 ring nut a26/27 stem connector clamps dimension a refer to table 2 dimension x refer to table 3 fig. 6: type 3271 pneum...

  • Page 26

    26 eb 8310-6 en mounting and start-up the lower signal pressure range value is the same as the minimum value of the bench range or operating range (with preloaded springs). The upper signal pressure range value is the same as the maximum value of the bench range or operating range (with preloaded sp...

  • Page 27: Thrust

    Eb 8310-6 en 27 mounting and start-up 5.2 preloading the springs by preloading the springs in the actuator, the following can be achieved: − the thrust is increased (only actuators with "stem extends") − in combination with a samson valve: the actuator travel range can be adapted to a smaller valve ...

  • Page 28: 5.2.3  Adapting The Travel

    28 eb 8310-6 en mounting and start-up a1 top diaphragm case a2 bottom diaphragm case a4 diaphragm a20 hexagon screw a21 hexagon nut a22 hexagon bolt (preloading) a23 hexagon nut (preloading) a24 blanking plug a25 washer a22 a23 a25 a24 a20 a25 a21 a1 a2 a4 fig. 7: actuator with clamping nuts and bol...

  • Page 29

    Eb 8310-6 en 29 mounting and start-up Î write the new signal pressure range of 1.6 to 2.4 bar on the actuator nameplate as the operating range with preloaded springs. Direction of action: actuator stem retracts the springs of actuators with "stem retracts" action cannot be preloaded. When a samson v...

  • Page 30: 6  Operation

    30 eb 8310-6 en operation 6 operation crush hazard arising from moving parts. The actuator contains moving parts (actuator stem), which can injure hands or fingers if inserted into the actuator. − do not insert hands or fingers into the yoke while the valve is in operation. − while working on the ac...

  • Page 31: Action

    Eb 8310-6 en 31 operation Î only use vent plugs that let air through them (a16 in fig. 3). 6.3 reversal of the direction of action the direction of action (and fail-safe action) of pneumatic actuators can be changed. The fail-safe action is indicated on the nameplate by a symbol: actuator stem exten...

  • Page 32

    32 eb 8310-6 en operation malfunction due to loosened nut. The nut (a9) on the actuator stem serves to adjust the dimension x. Do not undo the nut. If the nut has come undone, readjust the di- mension x as specified in table 3. 8. Remove the diaphragm plate (a5) with diaphragm (a4) from the actuator...

  • Page 33: Of Action From Stem Re-

    Eb 8310-6 en 33 operation 16. Unscrew the vent plug (a16) from the top signal pressure connection and screw it into the bottom connection (s). The actuator springs, which now push against the diaphragm plate from below, cause the actuator stem to retract. The signal pressure is connected to the top ...

  • Page 34

    34 eb 8310-6 en operation 9. Tighten the collar nut (a15), while hold- ing the nut (a9) stationary. Observe tightening torques. 10. Apply a suitable lubricant to the actuator stem (a7). 11. Place the diaphragm plate assembly to- gether with the actuator stem (a7) point- ing downward into the bottom ...

  • Page 35: Stem Manually

    Eb 8310-6 en 35 operation a7 actuator stem a50 top actuator stem a51 stem connector a55 pointer a60 handwheel a66 lock nut a75 top diaphragm case a60 a66 a51 a50 a75 a55 a7 fig. 9: pneumatic actuator with handwheel 6.4 version with handwheel the stem connector (a51) connects the actu- ator stem (a7)...

  • Page 36: Imum Travel)

    36 eb 8310-6 en operation 2. Turn the handwheel counterclockwise to retract the actuator stem. 3. To change from manual to automatic op- eration, put the handwheel into the neu- tral position by aligning the pointer (a55) with the groove on the stem con- nector (a51). 4. Tighten the lock nut (a66) t...

  • Page 37

    Eb 8310-6 en 37 operation left half: actuator stem retracts (fe) right half: actuator stem extends (fa) a73 a74 a70 a75 a5 a7 a50 a5 diaphragm plate a7 actuator stem a50 top actuator stem a70 adjustment nut a73 cover a74 lock nut a75 top diaphragm case fig. 10: travel stop.

  • Page 38: 7  Servicing

    38 eb 8310-6 en servicing 7 servicing risk of bursting in the actuator. Actuators are pressurized. Improper opening can lead to actuator components bursting. Before starting any work on the actuator, de- pressurize all plant sections concerned and the actuator. Risk of personal injury due to preload...

  • Page 39

    Eb 8310-6 en 39 servicing 7.1 replacing the diaphragm risk of malfunction due to damaged hose clamp. Do not reuse hose clamps. Use a new hose clamp every time the diaphragm is replaced. Risk of property damage and malfunction due to incorrect mounting of the hose clamp. Tighten the hose clamp using ...

  • Page 40

    40 eb 8310-6 en servicing 8. Mount the new diaphragm (a4). Make sure the diaphragm is correctly aligned with the diaphragm plate. The imaginary line through two opposing recesses for springs on the diaphragm plate must be aligned centrally between two bolting holes in the diaphragm (see fig. 12). 9....

  • Page 41

    Eb 8310-6 en 41 servicing make sure that the sealing elements are not damaged. 13. Place the springs (a10) into the bottom diaphragm case, centering them in the intended recesses. 14. Place on the top diaphragm case (a1). 15. If necessary, preload the springs (see section 5.2). 16. Fasten the top an...

  • Page 42: Stem Seals

    42 eb 8310-6 en servicing aligned centrally between two bolting holes in the diaphragm (see fig. 12). 9. Place the hose clamp (a6) evenly into the groove in the diaphragm (a4) intended for it. 10. 240 cm²: turn the screw on the latch of the hose clamp until the hose clamp rests completely in the gro...

  • Page 43

    Eb 8310-6 en 43 servicing a42 a41 a40 a42 a40 a42 a7 a41 a7 actuator stem a40 radial shaft seal a41 wiper a42 dry bearing type 3271 type 3277 fig. 14: actuator stem seals 9. Renew the dry bearing (a42) and wiper (a41), if necessary. 10. Apply a suitable lubricant to the actuator stem (a7). 11. Place...

  • Page 44: Ment

    44 eb 8310-6 en servicing phragm (a4), and actuator stem (a7) out of the actuator. 5. Take the springs (a10) out of the bottom diaphragm case (a2). 6. Use a suitable punch to remove the radi- al shaft seal. 7. Apply a suitable lubricant to the new ra- dial shaft seal (a40). 8. Use a suitable mandrel...

  • Page 45: Operating Supplies

    Eb 8310-6 en 45 servicing 7.4 ordering spare parts and operating supplies contact your nearest samson subsidiary or the samson after-sales service depart- ment for information on spare parts, lubri- cants, and tools. Spare parts see section 10.2 for details on spare parts. Lubricant details on suita...

  • Page 46: 8  Malfunctions

    46 eb 8310-6 en malfunctions 8 malfunctions depending on the operating conditions, check the actuator at certain intervals to prevent possible failure before it can occur. Operators are responsible for drawing up an inspection plan. Troubleshooting malfunction possible reasons recommended action act...

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    Eb 8310-6 en 47.

  • Page 48: Sembly

    48 eb 8310-6 en decommissioning and disassembly 9 decommissioning and disas- sembly risk of bursting in the actuator. Actuators are pressurized. Improper opening can lead to actuator components bursting. Before starting any work on the actuator, de- pressurize all plant sections concerned and the ac...

  • Page 49

    Eb 8310-6 en 49 decommissioning and disassembly a1 top diaphragm case a2 bottom diaphragm case a4 diaphragm a20 hexagon screw a21 hexagon nut a22 hexagon bolt (preloading) a23 hexagon nut (preloading) a24 blanking plug a25 washer a22 a23 a25 a24 a20 a25 a21 a1 a2 a4 fig. 15: actuator with clamping n...

  • Page 50: 10 Annex

    50 eb 8310-6 en annex 10 annex 10.1 after-sales service contact samson's after-sales service de- partment for support concerning service or repair work or when malfunctions or defects arise. E-mail you can reach the after-sales service de- partment at aftersalesservice@samson.De. Addresses of samson...

  • Page 51: 10.2 Spare Parts

    Eb 8310-6 en 51 annex 10.2 spare parts 1 top diaphragm case 2 bottom diaphragm case 4 diaphragm 5 diaphragm plate 6 hose clamp 7 actuator stem 8 ring nut 9 hexagon nut 10 spring 11 spring 12 spring 15 collar nut 16 vent plug 19 compressor on the hose clamp (6) 20 hexagon bolt 21 hexagon nut 22 hexag...

  • Page 52

    52 eb 8310-6 en 42 40 7 9 19 6 4 5 10 11 12 7 9 2 2 32 25 21 25 23 24 30 28 26/27 28 29 42 41 8 16 20/22 15 43 25 106 100 1 106 100 51 50 56 50 68 54 62 67 68 69 57 58 63 8 59 41/49 42 20/22 65 52 66 55 64 60 61 52 76 77 16 20/22 25 75 42 41 106 100 50 20/22 16 70 74 73 20/22 75 50 56.

  • Page 53

    Eb 8310-6 en 53 42 40 7 9 19 6 4 5 10 11 12 7 9 2 2 32 25 21 25 23 24 30 28 26/27 28 29 42 41 8 16 20/22 15 43 25 106 100 1 106 100 51 50 56 50 68 54 62 67 68 69 57 58 63 8 59 41/49 42 20/22 65 52 66 55 64 60 61 52 76 77 16 20/22 25 75 42 41 106 100 50 20/22 16 70 74 73 20/22 75 50 56.

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    54 eb 8310-6 en.

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  • Page 56: Eb 8310-6 En

    2018-05-28 · engl ish 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 8310-6 en.