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.
Flexible coupling is also dedicated coupling, straight coupling. It can fit ductile iron pipes only.
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