Built in flange Duckbill valve
Built in flange Duckbill Valve
Size: DN50 – DN1800
Suitable for PN10, PN16 flange.
There are flowing properties for this duckbill valve.
Open and close automatically according to water pressure difference safety without noise and no need of human operation and maintenance.
Small flow-in pressure and flow regulates naturally as water pressure.
Good seal for reverse non-return and no leakage to avoid flow backwards. The better effect with larger pressure.
Anti-corrosion, anti-aging and longer working service.
Wide size scope and nominal diameter of DN50 – DN1800.
Requirement for Installation:
- Generally, we advise customers using duckbill valve of flange type in applying for active jet and socket type for passive jet.
- The mouth line of the duckbill valve should be vertical to the ground level when installing.
- Hoisting equipments are required for duckbill valve larger than DN 800 to ensure the using performance and working service.