Ductile Iron Grooved Fittings 1.coupling,cross,elbow,tee,flange,cap,mechanical tee,mechanical cross,reducer etc. 2.Certificate:FM/UL approved 3.Painting: Epoxy ,galvanized 4.Pressure:300 psi 500 psi 5.Material:Ductile Iron in ASTM A536 standard VICTAULIC--couplings
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