Medium force against operation automatically open and close the valve flap, the valve flap to increase the weight off quickly, increasing the hydraulic slow closing of the valve flap, to prevent pipe vibrations, may also be manually opened and the valve flap in the open position of the lock cleaning pipeline.
1.Size :2"~32" (DN50~DN800)
2.Working Pressure :150Lb~2500Lb
3.Working Temperature :-20°C~425°C
4.Suitable Medium:Water,Oil,Gas and Steam.
A.Design&Manufacture standard: API 594,BS 1868
B. Face to face: ASME B16.10. DIN3202.
C.Pressure&Temperature standard: ASME B16.34
D.Flange standard: ASME B16.5, ASME B16.47. JIS B2220. DIN 2543-2550
Fields of application
In the fields of power industry, petroleum refining, petrochemical, offshore oil, water supply engineering in urban construction, and chemical industry.
Installation requirements for swing check valves
The rotary check valve flap rotates around the rotating shaft, and its fluid resistance is usually smaller than that of the lift check valve. It is suitable for large diameter applications. The orientation of the device is not limited. It is usually installed in horizontal pipelines. Larger caliber occasions. According to the number of valve flaps, it can be divided into three types: single-lobed swing type, double-valve swing type and multi-lobed swing type.