Pressure Seal Bonnet Gate Valve

Pressure seal bonnet gate valve is sealed by media pressure, and the pressure is more, the sealing is more reliable. On valve bonnet, there is a smooth cone which has self tight seal ring. This type valve is applied to chemical fuel electric power station. It is more simple than bolt bonnet type gate valve.

Specification:

l Size: 2”~48” 

l Pressure Rating: Class600~2500LB

l Main Materials: WCB, LCC, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, LF1, F11,

F304, F316, F304L, F316L etc.

l Design and Manufacture: ASME B16.34, API600, BS1414, EN1984

l Face-to-Face:ASME B16.10, EN558

l Ends Connection: Flange, Butt Welding etc.

l Inspection & Testing: API 598

l Operator: Handwheel (Size≤4”), Gear (Size≤8”), Electric, Pneumatic.

Feature:

l Pressure Seal Bonnet, PSB

l Flexible Disc

l Fully Guided

l Rising Stem and Non-rising Handwheel

l Renewable Seat Ring

l Low Leakage