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Mechanical Pinch Valve

The design of this valve is simple: it’s a hermetically sealed cylindrical or elliptical shaped “body” with a rubber sleeve inside of it. With an air actuator, compressed air flows inside the inner tube, which in turn forces the sleeve to expand and constrict passage through the valve. The rubber sleeve is highly elastic and robust; completely stopping flow when engaged—or using a proportional pressure regulator, can regulate flow to down to 70%, 50%, 30%, 20% etc of flow. When resumption of free flow is desired, the air actuator releases the compressed air, creating normal atmospheric pressure inside the body and allowing the sleeve to retract for free flow.
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Product Description

Aluminum Pinch Valves from ½” – 10” diameters [15 mm – 250 mm]

OV Series Pinch Valves are reliable and lightweight Aluminum pinch valves:

  • Manual Handwheel Pinch Valves

    • Type M [3/8” – 10” Dia.] – Hand Wheel and Aluminum Body

    • Type VZ [1” – 12” Dia.] – Hand Wheel and Cast Iron Body

  • Air Operated Pinch Valves – Type P and PA

    • Type PA [½” – 2” Dia.] – Single Cylinder, Spring Return

    • Type PA2 [2.5” – 8” Dia.] – Double Cylinder, Spring Return

    • Type P [½” – 2” Dia.] – Single Cylinder, Double Acting

    • Type P2 [2.5” – 10” Dia.] – Double Cylinder, Double Acting


Advantages:

  1. Guarantee closure with air and power loss using spring return cylinders.

  2. Achieve accurate partial closure using 3 position sensors.

  3. Lightweight aluminum construction.



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