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Beijing Zhonghaiwei Environment Engineering Co., Ltd.

China Manufacturer with main products: Rubber Expansion Joint, Rubber Lined Pipe, Rubber Duckbill Valve, Fabric Expansion Joints, Duct Expansion Joints, Dismantling Joint, Grooved...

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Rubber duckbill check valves

FOB Price: 31.00 - 3,450.00 USD/Piece
Supply Ability: 4,000 Piece/Pieces per Month
Shipping: Within 30 working days to our port after your down payment
Payment Terms: L/C, T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: General package is carton cases, but we can also accept your requirement if possible

Quick Details

  • Standard or Nonstandard: Standard
  • Pressure: Medium Pressure
  • Power: Hydraulic
  • Material: Rubber
  • Temperature of Media: Medium Temperature
  • Media: Water
  • Port Size: 30-3000mm
  • Model Number: 002
  • Brand Name: ZHW
  • product type: check valve rubber



Rubber Duckbill Valves, widely used in the demanding applications of many industries, are precision-molded, one-piece elastomeric valves that provide reliable backflow prevention at low pressure differentials. Rubber Duckbill valves allow free flow with positive differential pressure.  With negative differential pressure, backflow is checked. Pressure drop across the valve is a feature unique to Rubber Duckbill valves. They can be designed to operate in a few millimeters (inches) of water to several hundred kappas' (psi), depending on valve size, geometry and compound characteristics. Rubber Duckbill valves are also designed to start functioning at specific opening and closing pressure ranges, depending on your specifications.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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