Check valves are used to prevent medium backflow by automatically opening and closing of the discs. Check valves are mainly used in one-way pipelines, allowing only one direction of media flow to prevent accidents.
Check valves can be divided into four types according to the movement mode of the disc: Swing Check Valve, Lift Check Valve, Nozzle Check Valve, Dual Plate Check Valve
Design standard: API, ASME, EN, ISO, JIS, DIN, BS, GB
Pressure rating: CLASS 150LB~2500LB, 1.0MPa~42.0MPa, JIS 10K~40K
Size range: NPS1/2” ~60”, DN15~DN1500
Standard connections: flange, wafer, threaded, butt weld, socket weld