Stainless steel turbine drive (handle) butterfly valve 4 inch

D71X/J handmade rubber seal DuiGaShi butterfly bow tie and carbon stainless steel valve plate, stem or composition. 80% or less of applicable temperature to 120 ℃, such as food, chemical, electric power, petroleum, paper and QingFang and sewage pipes, gas adjustment costs and accept the role of the environment. Main features: reasonable structure, fashion, unique theme, including quick light. Small torque, easy to operate and easy to operate. It can be installed anywhere and easy to maintain. Can be replaced seal, seal reliable to achieve a two-way printing zero leakage. The aging of sealing material, corrosion resistance, long service life and so on.