SKU: AP

Air Pinch Valve

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Air or liquid 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 particles, abrasive and corrosive materials. When open it allows full, unobstructed flow with little turbulence. The sleeves can be easily replaced when they wear out. To fully close the sleeve the valve requires a signal pressure 1.3 BAR (20 psi) greater than the media pressure. Great for chemical dosing, slurry, abrasive and dry materials. For other sleeve materials please contact us.

Model Port Size A (BSP) Bore ID Body Material Sleeve Material (standard) Media Max Pressure BAR Control Max Pressure BAR Pilot Inlet Size
AP-6331 1/4" 1/4" Nylon NBR 3.4 5.5 1/8”
AP-6291 3/8” 3/8” Nylon NBR 4 6 1/8”
AP-6222 3/4" 5/8” Nylon NBR 4 6 1/4"
AP-6206 1 ¼” 1 ¼” Nylon NBR 4 6 1/4"
AP-6603 2” 2” Polyprop NBR 3.4 4.7 3/8”

Air Pinch Valve Dimensions

Model Port Size A (BSP) Bore ID B mm C mm D (BSP)
AP-6331 1/4" 1/4" 90 30 1/8”
AP-6291 3/8” 3/8” 75 45 1/8”
AP-6222 3/4" 5/8” 100 60 1/4"
AP-6206 1 ¼” 1 ¼” 140 90 1/4"
AP-6603 2” 2” 250 160 3/8”

Air Pinch Valve Construction

Size 1/4" to 2" BSP
Body Nylon
Sleeve NBR
Media Pressure Range 0 to 4 BAR
Pilot Pressure Range 1.5 BAR greater than media
Factory Accredited CE, ISO 9001

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