Inline Duckbill Check Valve

Product Description

Inline duckbill check valve is consist of elastic rubber and man-made fiber,made by special processing,the shape is similar to the duckbill, so called duckbill valve. Under the condition of no pressure inside, the duck mouth is closed under the action of elastic force,with the increase of internal pressure, the exit of duckbill gradually increases,and the liquid can be discharged at high flow rate.

Inline duckbill check valve are installed at the end of the pipeline, using their own special structure to discharge sewage, also known as "rubber sewage check valve". Because of its good practicability and good check effect on the backflow of sewage, it is also called "environmental protection valve"

The connection of duckbill valve is also used to distinguish a variety of duckbill valves, generally used are: flange type duckbill valve, clamp type duckbill valve and built-in duckbill valve

Function 

Rubber duckbill valve can prevent flood and water intrusion into the sewers and streets of the basement, to avoid significant losses, prevent the water level rising, flooding into the sewage treatment plant, drainage pumping station, prevent sewage or the smell of fluid diffusion, and be ready for drainage.

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