We manufacture more than a thousand specifications of over ten series of products, including safety valves, power station valves, steam extraction check valves, gate valves, globe valves, check valves, hard-sealed ball valves, all-welded ball valves, ball valves, butterfly valves, and other models and specifications.
H764H H744H
Flanged/Welded Hydraulic Check Valve
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Hydraulic check valves are mainly used in the steam turbine extraction system of thermal power plants to protect the steam turbine. When the steam turbine suddenly loses its load, the valve should close quickly to prevent steam backflow and turbine overspeed accidents. The valve has a pressure-assisted closing system, which is characterized by fast and reliable closing without affecting the normal opening of the valve.
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At present, it can produce more than a dozen series of more than 1,000 specifications of safety valves, power station valves, extraction check valves, gate valves, ball valves, check valves, butterfly valves, drain valves, balance valves, and regulating valves of different types and specifications.
The A42Y-P/R type is suitable for equipment or pipelines with corrosive gaseous media where the operating temperature is ≤200℃, serving as a pressure relief device.
Connecting flanges conform to JB/T 79 standard.
Connecting flanges are in accordance with JB/T79 standard.