1.Body:Cast iron/Ductile iron 2.DN300--DN2000mm 3.operator:motor,munual, 4.structure:gate 5.delivery time:30days 1.Application:Round gate Widely used in municipal, petroleum, chemical industry, power plant, metallurgy, coal, light industry, food, pharmaceutical, water conservancy, sewage treatment, and other water supply and drainage project. 2.Structure characteristics:The structure is simple, ...