Flang Type Duckbill Check Valve Description
Flang Type Duckbill Check Valve Description
Flange flexible duckbill rubber check valves made is in our company have been constantly receiving reputation not only at home but overseas. This valve is our special product, and it is used for draining sewage. We are continuously doing our best to make this valve more practical and more perfect .The valve can be matched with straight pipe ,flange pipe ,cement pipe .
The advantages are specially marked in comparison with traditional flap valve;
- Open and close automatically in security and reliability according to hydraulic difference without noise and in no need of operator and maintenance;
- Positive start has little water resistance and start –up pressure and the flow can be adjusted naturally according to hydraulic pressure.
- Reserve cut-off has good seal without leakage to prevent from flowing backwards. The back pressure is higher and the effect is barrier;
- Anticorrosion, aging resistance, deformation resistance, strong adapt-ability and long use life;
- Wide size scope, nominal diameter of DN50-DN2400.
