Duck Valve

      • Storm Sewer Check Valve

      Storm Sewer Check Valve

      The rubber storm sewer check valve can prevent flood and sewage backflow into the street sewers and basements, avoiding major losses, preventing flooding from flowing into the...

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      • Storm Drain Check Valve

      Storm Drain Check Valve

      Storm drain check valve can prevent flood and water intrusion into the sewers and streets of the basement, to avoid significant losses, prevent the water level rising, flooding into...

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      • Duckbill Check Valves

      Duckbill Check Valves

      The duckbill check valves is a special product , and it is used for draining sewage .In many foreign countries, such as Spain , America, Duckbill check valves is usually named as...

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