1.Copper Solder Ring Coupling 2.Standard:EN1254, BS864-2, ASME B16 ... to all customers around the world. J9301 Copper Solder Ring Coupling In Pipe Fittings C=5/9(F-32 ... ) FAH(°F)1.Material: Red Copper2.Specification: 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2" 8, ... B16.22GB/T11618-1999BS864/EN1254ASME/ANSI B16.22DIN28564.Advantage:(1)Ningbo Jiekelong Precision Manufacturing Co.,Ltd Established in 1998 ...