| 摘要 |
hydraulic engineering. SUBSTANCE: cock has housing rotary plug fitting provided with a collar, flexible sealing made of a bushing, at least two friction spacers, and pressure nut. The bushing is mounted into the housing groove. The pressure nut is connected to the housing to provide movement in the direction of the vertical cock axis. It contacts to the face of one of the antifriction spacers. The other face contacts to the collar face. The other spacer is mounted between the flexible sealing and other collar face. EFFECT: enhanced maintainability and reliability. 2 cl, 1 dwg |
