Ductile Iron Underground Valve Box

Ductile Iron Underground Valve Box UsingDuctile Iron or Grey Cast Iron, our products have been widely used as SurfaceBoxes, Meter Boxes, Valve Boxes, Water Boxes, Hydrant Boxes and more. Cast iron surface box made by YD castings strictly conform to standard. Smoothand free from sand holes, blow holes, distortion or any other defects.    Product specifications: Material: GG15, GG20, GG25, GGG40, GGG45-10, GGG50-7, GGG60 Process: Greensand with hand moulding Painting:Black bitumen or epoxy Operating temperature: –10~200℃ Color: Customer's request   Based on the principle of " customer satisfaction ", we supply not only stable quality and price, but also on-time delivery, communication and services.