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rack pinion pneumatic valve actuator
rack pinion pneumatic valve actuator

valve actuator 1.Dual piston Rack and pinion design 2.Double acting and spring return 3.CE, ISO certificate

valve actuator


     Position indicator with NAMUR is convenient for mounting accessories such as Limit Switch box, positioner and so on.2,Pinion 

     The pinion is high-precision and integrative,made form nickelled-alloy steel, full conform to the latest standards of ISO5211,DIN3337,NAMUR. The dimensions can be customized and the stainless steel is available.

3,Actuator Body

     According to the different requirements, the extruded aluminum alloy ASTM6005 Body can be treated with hard anodized, powder  polyester  painted ( different colours is available such as blue, orange, yellow etc.),PTFE or Nickel plated.

4,End caps

     Die-casting aluminum powder polyester painted  in  different  colours,  PTFE  or Nickel plated.


     The twin rack pistons are made form Die-casting   aluminum   treated   with   Hard anodized or made form Cast steel  with galvanization. Symmetric mounting position, long cycle life and fast operation, reversing rotation by simply inverting the pistons.

6,Travel adjustment

    The tow independent external travel stop adjustment bolts can adjust±5°at both open and close directions easily and precisely.

7,High performance springs

    Preloaded coating springs are made form the high quality material for resistant to corrosion and longer service life, which can be denounced safelyand conveniently to satisfy different requirements of torque by changing quantity of springs.

8,Bearings & Guides

    Made form low friction, long-life compound material, to avoid the direct contact between metals. The maintenance and replacement are easy and convenient.


    NBR rubber O-rings provide trouble-free operation at standard temperature ranges.For high and low temperature applications Viton or Silicone.

rack pinion pneumatic valve actuator

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