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Manual pinch valve is designed with perforations of the flange. The heavy landing elastomer sleeves are reinforced with high strength nylon, polyester fabrics, material, weighed several designs of the sleeve of destination are available.
In the manual the elastomeric sleeve valve will close even in solids, and the action of bending of the sleeve eliminates the possibility of extension. Heavy two pinch bars must close the sleeve. All valve parts are isolated from the working process of the sleeve. Combining these features with a sealed body design and no packing to maintain the results of a simple, robust and without hanging up, maintenance free valve.
In several manual valve actuators bevel gear are available for manual on / off operation, to accommodate the higher design working pressure, the valve is normally sized one size larger to allow double thickness high pressure hose wall. As shown in the table below, a 6 "valve requires a port size of 8" body size of the flange.
• High pinch valve design pressure.
• Heavy-duty reinforced polyester or high pressure of the sleeve is the only wetted.
• Sealed body design.
• full body pressure rating.
• Ductile, steel, stainless steel body.
• Bevel Gear 4:1, 8:1, 16:1, or 22:1 actuator.
• ANSI B 16.5 Class 300 flanges.
• Optional Class 150 flanges and flanges metric available.
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