Rubber Duckbill Check Valve Introduction

"Duckbill rubber check valves product uses"
Duckbill rubber check valve installs the end of the pipeline, sewage disposal systems, coastal emissions and urban drainage, storm, and start back to the role. Northern pressure pipeline pressure forced the beak open in emissions when inside pressure higher than outside.
"Duckbill rubber check valve feature"
1, 100% rubber construction to meet a variety of anti-corrosion requirements (based on actual needs, you can choose different rubber materials)
2, No blocking, sealing well.
3, Long lifetime, trouble-free and maintenance free.
4, no moving parts, and mechanical parts, no signal and manual operation without noise.
5, opening pressure is small, less than 0.01 m head will open.
6, under normal conditions, can reduce the level of minimum head loss.
7, can transform various forms of installation in order to meet customer needs.
8, easy installation, low cost.

 "Duckbill rubber check valve performance parameters"
1, open pressure: opening pressure is small, usually positive and negative water head over 10MM to open the valve and minimum head loss.
2, close the pressure: when the outside pressure is higher than the line pressure in the valve, duck-billed automatically closes to prevent backflow. Usually no leak in the 3M of water in 8M deep water valve works correctly.
3, working temperature:-20~80du
4, suitable medium: water, sea water, sewage.