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CE, ISO spring return butterfly valve with pneumatic actuator
CE, ISO spring return butterfly valve with pneumatic actuator

butterfly valve with pneumatic actuator 1). Certificate: ISO9001, CE 2). Guarantee time: 1 year 3). Top quality and reasonabl

butterfly valve with pneumatic actuator

1.       Indicator

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 from 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 treated with hard anodized, powder polyester painted(different colours are 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.

5.       Pistons

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

6.       Travel Adjustment

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

7.        High Performance Springs

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

8.        Bearings & Guides

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

9.        O-rings

JAI rubber o-rings provide trouble-free operation at standard temperature ranges. For high and low temperature applications viton or silicone.

CE, ISO spring return butterfly valve with pneumatic actuator

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