... ,DC,DP 3.Samples:free samples 4.CE,ISO stainless steel quick release coupling connectors B 1,Material: 304,316,316L,304L, ... some corrosive liquids. Casting method is investment casting.5,Standard:DRN2828,MIL-C274876,Size:1/2”-6”7,Types: ... 209-11 X10CrNi18.80.122.001.500.0450.0317-19.58-10 AmericaCF80.082.001.500.040.0418- ... .501.500.040.0417-209-132-3 stainless steel quick release coupling connectors B