Samson 3349 Mounting And Operating Instructions
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Samson 3349 Mounting And Operating Instructions

Pneumatic control valves / aseptic angle valve with usp-vi diaphragm
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Type 3349‑1 and Type 3349‑7
Pneumatic Control Valves
Type 3349 Aseptic Angle Valve
with USP-VI diaphragm
Type 3349-7 Control Valve with
Type 3730 Electropneumatic Positioner
Type 3349 Aseptic Angle Valve
Mounting and
Operating Instructions
EB 8048-2 EN
Edition February 2014
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Summary of Contents for Samson 3349

  • Page 1 Type 3349‑1 and Type 3349‑7 Pneumatic Control Valves Type 3349 Aseptic Angle Valve with USP-VI diaphragm Type 3349-7 Control Valve with Type 3349 Aseptic Angle Valve Type 3730 Electropneumatic Positioner Mounting and Operating Instructions EB 8048-2 EN Edition February 2014...
  • Page 2 Definition of signal words DANGER! NOTICE Hazardous situations which, if not Property damage message or mal- avoided, will result in death or seri- function ous injury Note:  WARNING! Additional information Hazardous situations which, if not avoided, could result in death or seri- Tip: ous injury Recommended action...

  • Page 3: Table Of Contents

    Nameplates ....................14 Customer service ..................15 T 8048-2 EN for dimensions and weights of Type 3349-1/-7 Refer to Data Sheet Control Valves as well as Type 3349 Aseptic Angle Valve. Refer to the SAMSON website (www.samson.de) for more product documenta- tion. EB 8048-2 EN...

  • Page 4: General Safety Instructions

    General safety instructions General safety instructions − The valve must be mounted, started up or serviced by fully trained and qual- ified personnel only; the accepted industry codes and practices are to be ob- served. Make sure employees or third persons are not exposed to any dan- ger.

  • Page 5: Process Medium And Scope Of Application

    − Never stand, walk or work underneath an overhead load. Before lifting a valve, check its weight based on the documentation provided by SAMSON. − Only use lifting equipment whose safe working load (SWL) is sufficient for the valves to be lifted.

  • Page 6: Design And Principle Of Operation

    (6.1) and lock nut See Fig. 1 on page 7. (6.2). In the micro-flow valve version, the The Type 3349 Angle Valve can be com- plug stem (6) and actuator stem (8.1) are bined with either a Type 3271 Pneumatic connected directly by the stem connector (7).
  • Page 7 Design and principle of operation Valve with Type 3271 Actuator Type 3277 Actuator Valve with optional packing Valve body Plug stem Plug 6.1 Stem connector nut Packing 6.2 Lock nut Micro-flow valve, without actuator 4.1 Spring 6.3 USP-VI diaphragm 4.2 Packing 6.4 Grub screw 4.3 Washer Stem connector...

  • Page 8: Connection Between Valve And Actuator

    Only use a lubricant suitable for foodstuffs for any parts to be lubri- cated. Contact your nearest SAMSON sub- sidiary or the SAMSON After-sales Service department for information on suitable lubricants. The basic pneumatic actuator can be re- placed by a pneumatic actuator with addi- tional handwheel or by an electric actuator.

  • Page 9: Option Of Preloading Springs For "Actuator Stem Extends" Fail-Safe Action

    Connection between valve and actuator tor scale (5.5) with the tip of the stem Valve/nominal size Dimension connector; for actuators with "actuator stem extends" fail-safe action align it Standard valve/Micro-flow valve 67.5 mm DN 6 to 25 · NPS ¼ to 1 with lower marking (valve closed) and for actuators with "actuator stem retracts"...

  • Page 10: Installation

    Installation Contact your nearest SAMSON sub- Note:  sidiary or the SAMSON After-sales The springs have already been pre- Service department for information loaded by 50 % for valves in nominal on suitable lubricants. sizes DN 15 to 25 with 7.5 mm trav- el, 0.6 to 1 bar bench range and...

  • Page 11: Operation

    6.1 Start-up cated. First start up the valve after mounting all Contact your nearest SAMSON sub- parts. sidiary or the SAMSON After-sales As a general rule: open and close shut-off Service department for information valves slowly.

  • Page 12: Replacing Sealing Parts And Plug

    8. Clamp the plug into a vice using plastic the nuts on the long bolts a few turns, jaws (SAMSON order no. 1281-0053). alternating between them to gradual- Unscrew the plug stem. ly release the tension.
  • Page 13 Maintenance 12. Secure plug with grub screw (6.4). 16. Thread the lock nut (6.2) and nut (6.1) loosely onto the plug stem (6). Note:  17. Mount the actuator and adjust the upper Generally check the concentricity of and lower bench range values as de- the plug to the plug stem.

  • Page 14: Nameplates

    PK = soft PEEK seal PT = soft PTFE seal Serial number Configuration ID Compliance with food industry requirements 11 PED labeling 12 Year of manufacture Fig. 3: Nameplate for Type 3271/3277 Actu- Fig. 4: Nameplate for Type 3349 Valve ator EB 8048-2 EN...

  • Page 15: Customer Service

    2 EN for the dimensions and weights SAMSON After-sales Service Department for support. of the various valve versions. The addresses of SAMSON AG, its subsid- iaries, representatives and service facilities worldwide can be found on the SAMSON website, in all SAMSON product catalogs or on the back of these Mounting and Operat- ing Instructions.
  • Page 16 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 8048-2 EN [email protected] · www.samson.de...

This manual is also suitable for:

3349-13349-7

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