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★ Export more than 60 countries, widely used in power stations, thermal power station, water works, water works, sewage disposal plants, iron and steel companies and other industries.
This valve is suitable for sewage treatment, petrochemical industry, mine smelting, water conservancy and electric power, papermaking and steel, textile printing and dyeing, building energy and other industries. It is installed at the bottom of the pump, restricting the flow of water back to the headwater in the pump,the water just can not go out.
The motion form of the disc is ascending or descending.Because the spring is added to the guide stem, the valve has the function of helping closing. When the pump is stopped, it can be kept sealed immediately at low pressure condition, liquid does not leak.
Suitable medium: Water, sewage,oil, etc.
Type of sealing : soft sealing .
Type of control : automatic.
Material:grey cast iron, ductile cast iron,alloy cast iron, carbon steel,stainless steel, alloy steel.
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.