Inverted Pressure Balance Lubricated Plug Valve 1)Production enforce standard Desing And Manutacture: API 6D API 599 ASME B16.34 Specifications: 1)Production enforce standard Desing And Manutacture: API 6D API 599 ASME B16.34 Face to face/End to end: API 6D ASME B16.10 Flange dimensions: ANSI B16.5 ASME B16.25 Pressure temperature lating: ANSI B16.34 Inspection and test: API 598 API 6D 2)Major parameter Size: NPS 2"-24" Pound class: 150Lb--600Lb

Plug valve, also called cock or stop-cock valves, is one of the most widely used valves for both on/off and throttling services. Their design is fairly simple; the body is comprised of three main parts: body, cover and plug. The plug is a cylindrical, tapered, or generally cone-shaped device that can be raised or lowered within the seat to maintain, restrict or completely shut off flow. The valve is opened by rotation,