Pressure balance lubricated Plug valve

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Pressure balance lubricated Plug valve

Pressure seal valve designs are available in gate, globe, swing check, stop check, lift check, tilting disc check valves are installed in a wide variety of services demanding high pressure/temperature applications like: main steam, reheat, feed water, catalytic reforming, as well as other applications in power, refining, petrochemical, and other process industries.

​​​The main design features of our pressure seal valves are:​​

  • Versatile adapting yoke with throughout bolts and nuts for easy maintenance.

  • Detachable yoke without affecting the body bonnet Joint.

  • Integral “T” head stem construction for packing and wedge auto aligning. 

  • Self-Aligning two pieces packing gland.

  • Flexible graphite packing with anti-extrusion rings for optimum seal ability and life. 

  • Live load (optional), that eliminate the potential for gasket leakage. 

  • Seal gasket, load ring withstand upward thrust of bonnet load; backing ring distributes pressure uniformly to load ring; metallic silver plated seal gasket provides tight closure Integral backseat, Stellite hard faced.

  • Flexible Wedge, fully guided, wedge and seats are hard faced with Stellite 6 or other material as requirement.

Pressure balance lubricated Plug valve

1. 3 life circles for one time grease adding;
2. Advanced body design & emergency sealing system;
3. Excellent casting finish & quality, no welding repair to the body;
4. Special treatment to the plug in order to harden and lubricate the plug surface.
5. Multi-process lapping to carry out the zero leakage without any lubricant for

Face to Face Dimension: ANSI B 16.10
Flanged End Dimension : ANSI B 16.5
Testing & Inspection: API 598
Fire Safe Design: API 607


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