API mud pump parts valve rod guide lower for oil drilling
Valve rod guide consists of upper parts and lower parts.
Guider (lower) is installed in the inner chamber of the hydraulic cylinder ,for centering and positioning thesuction valve body assembly.
The guider consists of the guide way and the inner sleeve embedded in the guide way.The material of the guide way is ZG35CrMo, and the inner sleeve is treated by 20CrMnTi carburization andquenching.
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