Ductile Iron Grooved Flexible Coupling

Grooved Flexible Couplings is similar as Grooved Rigid Couplings, also use for the firefighting works. But this kind of Grooved Pipe Couplings can be adjusted if the different corner after connect two equal pipes.They are all good quality with excellent material. Material: Ductile Iron Casting, conforming to ASTM A536 65-45-12 Equal to QT450-12. Size:1-12"-12" Coating: 1.Painting  2.Epoxy  3.Dacromet  4.Galvanized Colour: 1.Red  2.Blue  3.White  4.Orange Packing: Carton on Pallets or as negotiation.