water quick coupling DC type 1.Size:1/2-6 2.Types: A,B,C,D,E ... Samples:free samples 4.Certificate: ISO9000 water quick coupling DC type 1,Material: 304,316,316L,304L,CF8,CF8M stainless ... Casting method is investment casting.5,Standard:DRN2828,MIL-C274876,Size:1/2”-6”7,Types: A,B,C,D,E ... 8bar) 6" 150PSI(10.5bar)13,Thread Type: NPT, BSPT, BSP, DIN259/299914,Connection Type: screw thread; the other can be ...