1.Body:Cast iron/Ductile iron 2.DN300--DN2000mm 3.operator:motor,munual, 4.structure:gate ... .Application:Round gate Widely used in municipal, petroleum, chemical industry, power plant, metallurgy, coal, light industry, food, pharmaceutical, water conservancy, sewage ... manual hoist or a flashlight amphibious hoist.3.Material:Body:Cast iron/Ductile iron Sealing: Brass/NBR/EPDM cast iron round gate