Duckbill check valve with high qulaity

Duckbill check valve with high qulaity  information

Duckbill valve is made of elastic neoprene and synthetic fibers with special processing, its shape like duck, so called Duckbill valve. Internal stress situations, duck-billed exports elastic closure under the action itself; with the increase of internal pressure, duck-billed exports increased, maintained in the liquid can be discharged at a high velocity.
Fuction of rubber duckbill check valve

Rubber duck mouth valve can prevent flood and the sewage intrusion from street sewer and basement, avoid major loss, prevent level rose , flood intrusion into sewage processing factory, and drainage pumping station; block sewage or has odor fluid of smell diffusion, and can drainage at any time ; in more rain season, can block city river flood from sewer irrigation to street; quality is better than took door, overcome has took door such as close not strict, some defects.