Weather resistance muff coupling underwater rubber duckbill check valve prices

weather resistance Muff coupling underwater rubber duckbill check valve prices

Introduction

Duckbill check valve is consist of elastic neoprene 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.

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Functions

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 .

Characteristics

1, 100% all rubber structure, can meet the requirements of various anti-corrosion (according to the actual demand, can choose different rubber material).

2, no blockage, good sealing.

3, long service life, no trouble, no maintenance.

4, no moving parts and mechanical parts, no electrical signals and manual operation, no noise.

5, open pressure is small, more than 0.01 meters of water head can open.

6, under normal conditions, head loss can be reduced to a minimum.

7, can transform a variety of installation forms, to meet customer needs.

8, easy installation, low cost, low operating costs.

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