The Flanged Duckbill Check Valve is connected to the flange at the end of a pipe to prevent back flow. Contact us for more details.

2 design options as follows:

- Flared model

- Flat bottom model

Choosing a Curved Bill or Straight Bill:

Curved Bill model - provides 50% more sealing area compared to the straight bill ended duckbill check valve, enabling a better tighter seal when debris are present. Does require a slightly higher cracking pressure to open the valve compared to the Straight Bill model.

- Straight Bill model - opens with minimal cracking pressure, if debris are present there is a high chance it will effect sealing performance.


- Available in a range of different flange specifications on request.

- Available in a range of different rubber materials on request, such as Neoprene, NBR, EPDM, Viton etc.

- 12 months warranty on manufacturing defects only.




Brand Duck Bill Check Valve - Flanged Table E - EPDM
Data Sheet

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