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This valve is installed in pipeline as closing equipment, it can not used to regulate flow rate and exhaust media. This series of valve is not affected by direction of flow media.
The wedge sealing construction between the gates is applied in the valve with the pressure released short after being opened which is convenient. The hydraulic operation valve is actuated by the medium in the pipeline.
When the valve opens and closes, the four-way commutator valve must be used to operate, when the gate needs to be closed, the media will go into cylinder from above of piston, and the medium below piston will be excluded. Conversely, the operation is open.
Suitable medium: water, steam, oil, sea water,etc.
Type of sealing :soft sealing and hard sealing.
Type of control : manual, electric, etc.
Material:grey cast iron, ductile cast iron, alloy cast steel.
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.