EPDM coupling Flexible duckbill ruber check valve:

Rubber duckbill check valve realizes the effects about drainage pipeline outflow with forward direction and non-return with reverse direction according to duckbill special 

design, which simplify the installation, usage and maintenance of drainage pipeline. It plays an important role in the process of the development of the check valve industry.

Application: Construction, water supply and drainage, and heavy industry, refrigeration, sanitation, plumbing, fire, electricity, etc

Duckbill Check Valve is made of rubber body and SS clamp. The former is main working part, the latter is fixed on the pipeline which has effecs on fixed connection. It has 

reasonable structure design and it's easy to use.

Duckbill Check Valve body is made of high quality material, which has good effecs on open and close. Certainly it's closed under natural state. Besides, the rubber material can 

be exchanged according to drainage corrosivity resistance strength.

SS clamp is the main connection body of duckbil check valve. The raw material includes SS304 or SS316 etc. which has good tensile resistance. Simple design and affordable is the 

best choice as connecting parts.

Application:

Application: