Aeration butterfly valvehas good seal performance, operating light, small corrosion, high temperature resistant, convenient operation, flexible, safe and reliable use.it is widely used for SO2, steam, air, gas, ammonia, CO2 gas, oil, water, salt water, alkali liquor, sea water, such as nitric acid, hydrochloric acid, sulfuric acid, phosphoric acid medium in Chemical, petrochemical, metallurgy, medicine, food and other industries.

It with Simple structure, reasonable design, lightweight materials,  reliable sealing, flexible and convenient operation, small volume, smooth channel, small flow resistance, light weight, easy to install, easy to remove, etc it can operate in 1.0MPa-2.5MPa and -29-650℃. The flashboard of flashboard valve is with Shear function,it can clean the adhesion of sealing face, Stainless steel flashboard can prevent seal leakage caused by corrosion.