Rückschlagklappe

The wafer type butterfly check valve,a energy-saving product, is manufactured based on relative international standards.This product is featured by excellent retaining performance, high safety and reliability low flow resistance and effective to prevent from back-flow of medium. It is suitable for systems in the industries of petrochemical, food precessing, medicine,textile,paper making, water supply and sewage, metallurgy,energy and light industry etc. Two torsion springa are used excerting on each of the pair valve plates, which close the plates quickly and automatically.The quick-close action prevents the medium from flowing back and eliminates water-hammer effect. Safe and reliable in operation, high interference-resistance. It is easy to install on pipeline which is laid horizontaly or verticaly.