Body material: Ductile iron with FBE ( fusion bonded epoxy) coating or Epoxy painting; Gaskets are NBR or EPDM;
Bolts and Nuts: Carbon steel with galvanized zinc plated G4.8/G8.8, or SS304/SS316.
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.
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