China Standard Ductile Iron Grooved Flexible Coupling

Product Description Ductile Iron Grooved Pipe Coupling1. Type: Grooved Elbow, tee, cross, reducer, cap, grooved coupling, mechanical tee, mechanical cross, flange adaptor2. Material: Ductile Iron, ASTM A536, Grade 65-453. Pressure rate: 1.6MPA &2.5MPA or 300PSI...