1.Copper Solder Ring Coupling 2.Standard:EN1254, BS864-2, ASME B16.22. ... professional services to all customers around the world. J9301 Copper Solder Ring Coupling In Pipe Fittings C=5/9(F-32 ... /4", 1 1/2", 2", 2 1/2" 8, 10, 12, 15, 18, 22, 28, 35, 42, 54, 673.Standard:EN1254 ... inquiries are welcomed! Thank for visiting our website! J9301 Copper Solder Ring Coupling In Pipe Fittings