Nuclear Gate Valve

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Nuclear gate 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 and 3、standard Gr. 2 and 3 and seismic level 1A and 1I. Neway nuclear gate valve prototype has been all of the following type test certified : 2000 hot cycle lifetime、hot cycle test、fluid interruption capability、seismic and end loading, satisfying the various function requirements in operating condition.


Design Feature   Product Range

Wedge precisely guided during whole trip design 
Bonnet joint double sealed design 
Packing On-line replace function 
ALL seismic and fatigue analyzed by FEA software

DN ≤400mm
Temperature ≤350℃
Design Pressure ≤17.5MPa
End Connection BW 、Flange
Operation Manual、 Pneumatic、Electric
Body Materials Stainless Steel、Carbon Steel、Alloy Steel and etc
Type Wedge、Spring Load Expanding Parallel Slide、Expanding Parallel Slide




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