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This check valve is installed on the pipeline of pump exit for preventing adverse flow or excessive pressure (water hammer).
This check is more compact in structure than normal check valve. Easy for transportation and small in the space.
The small swing disk can be controlled by buttering device. So the valve can be closed in two steps of quick and slow according to the procedure. So the water hammer can be reduced.
The valve is tilted seat, so the time of opening and closing is very short and the vibration of the system is reduced.
Suitable medium: Water, sea water, steam, etc.
Type of sealing : soft sealing and hard sealing.
Type of control : automatic.
Material:(cast iron) Water, sea water, sewage;(carbon steel and stainless steel) heat air, air with little dust, etc.
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.