... casting.2. Material: carbon steel, alloy steel, stainless steel, grey iron, ductile iron, aluminum, etc.3. Weight: 0.5kg-500kg.4. Standard: AISI ... Painting, galvanized.7. Supplier of castings, machinery parts, machining parts, valve&pump parts, auto parts, train parts, marine parts and hardware ... drawings and detailed requirements. Samples are available for quality check. Butterfly valve body