Samson 3347-1 Mounting And Operating Instructions
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Samson 3347-1 Mounting And Operating Instructions

Pneumatic control valves
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EB 8097 EN
Translation of original instructions
Type 3347-7, cast body with welding
Type 3347-7, bar stock body with
ends
threaded connections
Type 3347-1 and Type 3347-7 Pneumatic Control Valves
Edition May 2016

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Summary of Contents for Samson 3347-1

  • Page 1 EB 8097 EN Translation of original instructions Type 3347-7, cast body with welding Type 3347-7, bar stock body with ends threaded connections Type 3347-1 and Type 3347-7 Pneumatic Control Valves Edition May 2016...
  • 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 (aftersalesservice@samson.de). The mounting and operating instructions for the devices are included in the scope of delivery.

  • Page 3: Table Of Contents

    Contents General safety instructions ................4 Design and principle of operation ..............6 Assembling valve and actuator ..............9 Assembly and adjustment ................9 Option of preloading springs for "actuator stem extends"........10 Different rated travels of valve and actuator ...........10 Installation ....................11 Notes on installation ..................11 Signal pressure line ..................11 Operation ....................11 Maintenance ....................12...

  • Page 4: General Safety Instructions

    The declaration of conformity can be viewed and downloaded at http://www.samson.de. − To ensure appropriate use, only use the valve in applications where the op- erating pressure and temperatures do not exceed the specifications used for sizing the valve at the ordering stage.
  • Page 5 General safety instructions According to the ignition risk assessment performed in accordance with EN 13463-1:2009, section 5.2, the non-electrical control valves do not have their own potential ignition source even in the rare incident of an operating fault. As a result, they do not fall within the scope of Directive 2014/34/EU.

  • Page 6: Design And Principle Of Operation

    Design and principle of operation 2 Design and principle of oper- In the special version with steam line connec- tion, an additional spring-loaded PTFE ring ation packing (4.2) is used. In this case, the plug The Type 3347 Angle Valve can be com- stem can be cleaned through the connection bined with either a Type 3271 Pneumatic of a steam line.
  • Page 7 Design and principle of operation Type 3271 Actuator Type 3277 Actuator Special version with steam line connection Version with cast body Fig. 1: Sectional drawings EB 8097 EN...
  • Page 8 Design and principle of operation Compliance The Type 3347 Valve bears the EAC mark of conformity: EB 8097 EN...

  • Page 9: Assembling Valve And Actuator

    Proceed as follows if the valve and actuator travel (see adhesive label on the yoke). have not been assembled by SAMSON or if the actuator is to be replaced by an actuator 6. For actuators with "actuator stem ex- of another type or size: tends"...

  • Page 10: Option Of Preloading Springs For "Actuator Stem Extends

    Assembling valve and actuator 3.3 Different rated travels of 9. Align travel indicator scale (5.5) with the tip of the stem connector; for actuators valve and actuator with fail-safe action "actuator stem ex- tends" align it with lower marking (valve GEFAHR WARNING closed) and for actuators with fail-safe...

  • Page 11: Installation

    Installation 4 Installation Note For compliance with 3-A regulations, a 4.1 Notes on installation gasket according to the recommendations of the 3-A Sanitary Standards Inc. − The valve must be installed in the upright (u Bulletin 2011-3 at position with the actuator on top. u http://www.3-a.org) is required for a Type 3347 Valve with threaded connections NOTICE...

  • Page 12: Maintenance

    Maintenance 6 Maintenance 6.1 Replacing sealing parts and plug If the valve leaks, the wiper (5.3), steam seal (5.1), or PTFE V-ring packing (4.2) (in the version with steam line connection) might be NOTICE defective. Before starting any work on the valve body, If the valve does not close tightly, tight shut- remove the actuator from the valve.
  • Page 13 Maintenance Contact your nearest SAMSON subsidi- put the clamp back on, slightly compress ary or the SAMSON After-sales Service the packing springs over the bonnet be- department for information on suitable forehand. lubricants. 19. Screw the lock nut (6.2) and stem con- 10.

  • Page 14: Description Of Nameplates

    Description of nameplates 7 Description of nameplates SAMSON 3347 0062 ˚ Serial-No. Type designation with revision index Compliance with food industry requirements, if applicable PED compliance, if applicable Nominal size Body material Maximum pressure (bar or psi) Maximum operating temperature (°C or °F) Valve flow coefficient according to DIN or ANSI: % = equal percentage or Lin = linear...

  • Page 15: Inquiries

    Inquiries 8 Inquiries Please submit the following details: − Type designation and serial number − Version and nominal size of the valve − Pressure and temperature of the process medium − Flow rate in m³/h − Bench range (spring range) of actuator, e.g.
  • Page 16 EB 8097 EN 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...

This manual is also suitable for:

3347-7

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