Nuclear butterfly valves are used in million kilowatt grade pressurized water reactor nuclear power unit to on-off the pipe system for ensuring pipe system operating safety and alleviating accident effect. The valve is designed as safety class 2、standard Gr. 3 and seismic level 1A and 1I. Fargo nuclear butterfly valve prototype has been all of the following type test certified: 2000 hot cycle lifetime、hot cycle test、flow interruption capability、seismic and end loading, satisfying the various function requirements in operating condition.
Body Materials: Stainless Steel, Carbon Steel, Alloy Steel
End Connection: Lug, Wafer, Flange
Operation: Manual, Pneumatic, Electric
Optional dismountable and one-piece seat
Seat designed with reliable stopper avoids disc over-rotated
ALL seismic and fatigue analyzed by FEA software