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Nuclear grade butterfly valve
 

Nuclear butterfly valves can be used in the cooling water system of MMW pressurized water reactor nuclear power plants. Valve safety level 3, specification level 3, seismic class 1A, 1I; The prototype of NWV nuclear butterfly valve has passed 2000 tests of thermal life, thermal cycle, fluid blockage, earthquake and end loading test, which can meet various functional requirements under operating conditions.

 




 

 

Design features   Product range
The valve body seal ring can adopt removable seat and integral seat
Sealing ring limit structure, effectively prevent valve disc over - turn
Through software seismic analysis and fatigue analysis

 
Nominal diameter: less than or equal to 400mm
Applicable temperature: 200 ℃ or less
Nominal pressure: less than or equal to 6.4MPa
Structure: center line, double eccentricity, three eccentricity
Drive form: manual, pneumatic, electric
Connection: ear-supported, clamped and flanged
Main material: stainless steel, carbon steel, alloy steel

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