China wholesale Ball Valve Flange - Flange Duckbill valve – Jinbin Valve
China wholesale Ball Valve Flange - Flange Duckbill valve – Jinbin Valve Detail:
Flange Duckbill Valve
Size: DN50 – DN2600
Suitable for PN10, PN16 flange.
Product Feature:
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 – DN2600.
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.
Product detail pictures:

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