>>Hose joint and transition joint in pipeline are sealed with cone form, which has good sealing effect and needs no seal ring. So it won't leak oil due to the sealing ring aging. >>Seal for the key parts of the cylinder are imported by NOK ...
1. Face: Can be raised face(RF), full face(FF), Ring joint(RTJ) , Groove, Tongue, or customized.2.Bevel end as per ANSI B16.253.CNC fine finished. Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is dete...