HEBEI ZIFENG NEW ENERGY TECHNOLOGY CO.,LTD.
Grooved Pipe Couplings,Grooved Rigid Coupling,Grooved Couplings,Grooved Shouldered Coupling
Groove Couplings are generally composed of sealing rubber ring, clamp and lock bolt three parts. Because of its unique rubber seal ring and clamp structure design can be made, so that the grooved connector has a good seal, and with the fluid pressure within the pipe increases, its sealing increased accordingly.
Material: Ductile Iron Casting, conforming to ASTM A536 65-45-12 Equal to QT450-12.
Seal: NBR, EPDM
Bolts & Nuts: Q235A
Coating: 1.Painting 2.Epoxy 3.Dacromet 4.Galvanized
Colour: 1.Red 2.Blue 3.White 4.Orange