Backflow Prevention Valve

WaStop is a backflow prevention valve. Its unique and revolutionary flexible membrane allows WaStop to open when forward flow moves under the flexible conical-shaped membrane. WaStop closes when reverse flow fills the flexible conical shaped membrane. Sizes range from 3 in. to 72 in. The WaStop valve complements the J&S HedFlex check valve product line. The company is the exclusive North American Distributor for WaStop.