Nuclear grade check valve
Nuclear-grade check valves can be used in the main circuit and auxiliary system pipelines of million-kilowatt PWR nuclear power plants to perform system safety functions to ensure the normal operation of the pipeline system and mitigate the consequences of accidents; the valves are safety level 2, 3, The specifications are level 2, 3, category 1A, 1I; the prototype of Shentong nuclear check valve has fully passed the test of 2000 times of thermal life, thermal cycle, reverse reflux, and end loading tests, and can meet various functional requirements under operating conditions.
Nominal size: NPS 1/2"~32"
Temperature range: ≤400℃
Nominal pressure: 150lb~2500lb
Connection form: butt welding, flange
Main body material: stainless steel, carbon steel, alloy steel, etc.
Structure: swing type, lift type, wafer type