INVERTED PRESSURE BALANCE LUBRICATED PLUG VALVE
Bolted cover, structure of flip-chip balanceable pressure and light on/off operation. An oil grove is set between valve body and seal surface, which may infuse the seal grease to increase the seal capability.

Standards compliance

Design and Manufacture: API 599, API 6D
Face to face (end to end): API B 16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598, API 6D