Standard: ISO2531，EN545
Pressure: PN10/PN16
Body material: Ductile iron with FBE ( fusion bonded epoxy) coating or Epoxy painting; Gaskets are NBR or EPDM;
Gripping teeth material: Brass.
Bolts and Nuts: Carbon steel with galvanized zinc plated G4.8/G8.8, or SS304/SS316
Package: wooden cases and protection layer.
Application:
Restrained coupling is used for connecting PE pipe. The restrained brass can fastend the pe pipe better, they perform better work than quick adaptor for PE pipes.
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