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:
Size: 2~48
Pressure Rating: Class600~2500LB
Main Materials: WCB, LCC, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, LF1, F11,
F304, F316, F304L, F316L etc.
Design and Manufacture: ASME B16.34, API600, BS1414, EN1984
Face-to-Face:ASME B16.10, EN558
Ends Connection: Flange, Butt Welding etc.
Inspection & Testing: API 598
Operator: Handwheel (Sizeâ?¤4), Gear (Sizeâ?¤8), Electric, Pneumatic.

Feature:
Pressure Seal Bonnet, PSB
Flexible Disc
Fully Guided
Rising Stem and Non-rising Handwheel
Renewable Seat Ring
Low Leakage