Check Valve (NRV)


Check Valve

Check valves are unidirectional and usually installed in high pressure pipelines for preventing fluid flowing back in well service operation, their retainer plates will automatically close if fluid is pushed back.

Recommended Service
High-pressure well service flowlines, flowhead, frac manifold, cementing manifold
Other well service, stimulation and abrasive applications
Cold Working Pressure: from 6,000psi to 15,000psi
Nominal Pipe Size: 2″ to 4″
End Connection: Fig 602, Fig 1002, Fig 1502
Sour gas service are available
Forged of high strength alloy steel
The retainer plate inside sulfurized with Buna-N has a good sealing effect and a longer service life under high pressure
Dart Check Valve


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