- A Pinch valve allows flow passage through a flexible tube which is “pinched” off to produce a tight seal. Air pressure at the control inlet collapses the internal rubber sleeve to provide immediate and positive shut-off. The rubber sleeve closes completely, even on large particulate matter, abrasive and corrosive materials. When open, the sleeve allows full, unobstructed flow with little turbulence.
Pinch valve sleeves can be easily and economically replaced when they wear out.
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