Check Valves


  • Special repair kit is available for quick and inline maintenance.
  • Obvious flow direction sign
  • Unique seal type significantly increases service life.
  • Customized service


Rated Working Pressure 69.0MPa~138.0Mpa
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



Check Valves are widely used in high pressure lines to control one-way flow and prevent fluid from flowing back to the pump, thus to protect pipeline safety.

Jereh Check Valves include top-entry check valves, in-line flapper check valves and dart check valves. Flappers of top-entry and in-line flapper check valves which are mainly used in fluid condition adopt complete coating design, increasing service life. Dart check valves are mainly used in air condition.


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