Check Valve
Check valve，also known as one-way valve, its main function is to prevent the reverse flow of the medium, prevent the reverse of the pump and the drive motor, and realize the discharge of the container medium. Check valves can also be used as an auxiliary system for replenishing overpressure pipelines, and are generally installed on kill pipelines or well kill pipelines that require a large flow rate.
Specification
Nominal Bore Diameter: 1-13/16"～7-1/16"
Working Pressure: 2000psi～20000psi
Temperature Class: KU (-60℃～121℃)
Material Class: AA～HH
Product Specification Level: PSL1～PSL3G
Performance Requirement: PR1～PR2F
Working Medium: oil, natural gas, mud, gas containing H2S and CO2
Affiliate Category:
API 6A Valve
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