Sell hydraulic butterfly valves for water turbine

Description

Butterfly valve with flange connecting and has two eccentricities, double seal and double drive. It's a kind of heavy hammer/energy storage butterfly valve with a PN*0 Mpa and a valve diameter of ***0mm. (The characteristic: Upstream maintenance seal is not to be used ordinarily; When change shaft seal and downstream service seal or maintenance other devices at downstream, upstream maintenance seal is not to be used. It's using mode is axial hydraulic drive. )
This butterfly valve is used at inlet of hydraulic turbine to intercept flow. The valve close automatically to protect the hydraulic turbine and to prevent accident from expanding in case of power failure at the power station or the guide vane could not be closed. The valve closed in position, empty the pressure water at rear side of the valve to maintain the equipements after the valve.