Material: 45# or 40Cr Carbon Structural SteelHeat treatment: High-frequency QuenchingHardening and tempering: AvailableSurface treatment: Original / Black or Grey Phosphate treatment/CustomizedMarking: Customized
A Choke Valve is an important part of Wellhead Christmas Tree and Choke Manifold. It is usually used in well control operations to reduce the pressure of a fluid from high pressure in the closed wellbore to atmospheric pressure. It may be adjusted (opened