Check valve

The check valve is designed for passage of fluid only in one direction. It automatically prevents fluid back flow and retains fluid in production tubing, reduces load on electric motor during startup of submersible centrifugal pump.

Type and technical characteristics of check valve

The type of check valve and its main technical parameters are presented in the table below.

Type КО5
Outside diameter 89 mm
Connecting threads
for production tubing
Smooth tube thread 73 to GOST 633-80
Особенность конструкцииDesign feature With poppet valve