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A105 Forged Lubricated Plug Valve


  • Port size:1/2"~24" (DN15~DN600)
  • Pressure:PN16-PN420 CL150-CL2500
  • Medium:Water,steam,oil,gas,etc.
  • Temperature :-40~450℃
  • Body material:A105 or others
  • Description:China Lubricated Plug Valve manufacturer, factory and supplier.
China Lubricated Plug Valve manufacturer, factory and supplier. A105 Forged Lubricated Plug Valve can be designed according to ANSI standard with flanged end or welded end, A105 Forged Lubricated Plug Valve was widely applied for petroleum, chemical industry, pharmacy,chemical fertilizer, power industry etc, lubricated plug valves can be called as Pressure balance lubricated plug valves, the main application of A105 Forged Lubricated Plug Valve  is cutting and connectting the pipeline medium with pressure class 150 to class 900 under the temperature -29℃ to +180℃.
A105 Forged Lubricated Plug Valve Technical Specification

Design & manufacturer API599, API6D
Nominal diameter 2 inch or 1/2'' ~ 24''( 15mm ~ 600mm)
Pressure class Class 150 ~ Class 2500
Length of face to face ASME B16.10
Flange end ASME B16.5
Test & inspection API598, API6D
Operation model Handle wheel, worm gear, pneumatic and electric actuated

A105 Forged Lubricated Plug Valve working principle
In the open position, this bored passage is in line with the flow. When the plug is turned 90° from the open position, the solid part of the plug blocks the flow.

The plug inside a A105 Forged Lubricated Plug Valve has a cavity in the middle along its axis. You can see this in the image. Lubricant chamber at the bottom and the sealant injection fitting at the top ensure the supply of lubricant.

The small check valve below the injection fitting prevents the sealant from flowing in the reverse direction once the sealant is injected into the cavity.

Plug surface gets constantly lubricated by the sealant that moves from the center cavity through radial holes into lubricant grooves on the plug surface. Now why we required all this? Many plug valves are of all-metal construction.

The narrow gap around the plug may allow leakage, and if you reduce the gap further, it will increase the friction and plug may get stuck inside the valve body.

If you need Lubricated Plug Valve, you can contact us.