The Replacement Procedure for Control Valve Stem Packing
Stem packing is a type of seal, damps leakage between moving part and housing, is essential for the control valve.
Stem packing is a type of seal, damps leakage between moving part and housing, is essential for the control valve.
Control Valve Packing is a sealing system which normally consists of a deformable material, in the form of solid or