stainless steel quick coupling 1.Size:1/2-6 2.Types: A,B,C,D,E,F,DC,DP 3.Samples:free samples ... 4.Certificate: ISO9000,CE stainless steel quick coupling Specifications:1,Material ... ,Size:1/2”-6”7,Types: A,B,C,D,E,F,DC,DP8,Thickness:SCH20, SGP,STD,SCH40,SCH80,SCH1609 ... .031.501.500.040.0417-209-132-3 stainless steel quick coupling