Shanxi Solid Industrial Co., Ltd. is located in the heavy industry province of Shanxi, China with rich resources of pig irons, coke, steel and other industrial raw materials, we are one of the leading manufacturers of Ductile iron pipes, Ductile Iron Pipe Fittings, Flange Adaptors, Couplings, Dismantling Joints, repair clamp and so on...
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Bolts and Nuts: Carbon steel with galvanized zinc plated G4.8/G8.8, SS304/SS316 or Hot dipped
Package: wooden cases and protection layer .
Universal coupling is also called wide range coupling, tolerance range coupling. It can fit most standard pipe materials and therefore dramatically reduces the stocks of dedicated couplings. It is suitable for steel, GRP, PVC, Ductile Iron, Cast Iron and Asbestors Cement pipes.