Cast Flange Coupling Adapter
ROBAR 7404 / 7406 / 7506 Flanged Coupling Adapters are used to flexibly adapt plain end pipe to flanged end.
Flanged Body: Cast Ductile Iron, Class “D”, C-207, with ANSI 150 lbs. drilling.
End Ring: Cast Ductile Iron.
Gaskets:Flange: Nitrile (NBR) Rubber.
Coupling End: Nitrile (NBR) Rubber.**
Fasteners: 7404 / 7504 – NC Cast Ductile Iron, or Low Alloy Steel.
7406 / 7506 – Stainless Steel fasteners, fully passivated*.
Nuts coated with anti-galling compound.
Torque: 70-80 ft. lbs.
Coatings: 7404 / 7406 – Two coats of Enamel.
7504 / 7506 – Epoxy coated Body and End Ring.