... steel quick coupling type A,B,C,D,E,F,DC,DP:1 Size: 1/2"-4"DN15-DN1002 Mtr: SS304 ... customers concrete demand.The material include STAINLESS STEEL CF8/1.4308,CF8M/1.4408. Design & Manufacture Std.: API608, ASME B16 ... , JISB2212-JISB2214, DIN2543-2550,ASME B16.34Main products:1.1pc,2pc,3pc ball valve,gate valve,globe valve, ... etc.3.Quick coupling: type A,B,C,D,E,F,DC,DP4.Forged fittings and flanges:butt ...