Flow characteristics tend to be straight line and excellent regulation performance,triple eccentric multi-layer metal seal structure can reach no mechanical wear and achieve zero leakage.

It is the best device to regulate the flow, cut off and get through fluid in industry like electric power, metallurgy, food, medicine, chemical industry, petroleum, textile, paper making, water supply and drainage and gas transportation .

Different materials can apply for water, sewage, sea water, air, steam, gas, flammable gas, corrosive medium, oil and food, etc. The highest temperature it can bear is 600℃.