stainless steel quick coupling 1.Size:1/2-6 2.Types: A,B, ... 3.Samples:free samples 4.Certificate: ISO9000,CE stainless steel quick coupling Specifications:1,Material: 304,316,316L,304L,CF8,CF8M ... requirements.3,Samples: with free samples 4,Applications: gas, water, oil, and some corrosive liquids. Casting method is investment casting.5 ... .031.501.500.040.0417-209-132-3 stainless steel quick coupling