Handle butterfly valve is used for gas pipeline in sulfuric acid industry: inlet and outlet of furnace blower, inlet and outlet of relay blower, electric defrosting series and connecting valve, inlet and outlet of S02 main blower, converter adjustment, preheater adjustment and cut-off gas volume use.

The handle butterfly valve is used in the sulfur acid system burning sulfur, conversion, dry suction section, is the sulfur acid device valve brand, is considered by the majority of users: good sealing performance, light operation, secondary corrosion, high temperature resistance, easy to operate, flexible, safe and reliable use of the butterfly valve, has been a large number of promotion and use.

Also widely used in: chemical, petrochemical, smelting, medicine, food and other industries SO2, steam, air, gas, ammonia, CO2 gas, oil, water, salt water, lye, sea water, nitric acid, hydrochloric acid, sulfuric acid, phosphoric acid and other media pipeline as the adjustment and closure device use.