Check Valves

Check valves are widely used in high pressure pipeline to control fluids flowing in one way and stop fluids from flowing back to the pump, protecting pipeline safety. Jereh check valves are available in three types including top-entry, dart and flapper. The top entry and flapper types adopt completely wrapped flappers to extend the service life, and they are mainly used in fluid services. Dart check valves feature dual seals between stainless steel and seal ring and they are mainly used in gas services.



Mating repair kit and tool kit are available for inline maintenance.
Clear identification for flow direction on valve ensures correct use.
Special seals enhance the service life greatly.
•Customized services satisfy customer needs. 


Rated Working Pressure 69.0MPa~138.0MPa(10,000psi~20,000psi)
Nominal Size 1″ , 1 1/2″, 2″,  3″, 4″
Temperature Rating -29℃~121℃(PU), -46℃~121℃ (LU) -20℉~250℉ (PU), -50℉~250℉(LU)
Service Standard, Sour Gas
Application Fracturing, Cementing, Acidizing, Testing Lines

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