Quick close Steam Extraction Non return Valve is mainly used for urgent stop flow back medium in the power plant steam turbine system. As emergency shut off valve, it can be closed in 0.5~1 S second to prevent steam turbine being damaged by back flowing medium (Steam and Cooling water) of the conduits.
Body: WCB, WC6, WC9, CF8, CF8M
Connection method: flange, welding
Control method: pneumatic