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★Welcome OEM& ODM.
★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.
Application:
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.
Features:
The valve body has the filter net and strengthens the rib, has played the not easy blockage, mainly applies in the most ordinary pumping pipe road.Disc movement in the form of swing-type, pump start-up flexibility.
Structure diagram:

Nominal diameter(mm):DN40~DN600
Nominal pressure(Mpa):0.1~2.5MPA
Suitable temperature:≤200℃
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.