... ,D,E,F,DC,DP type good quality,outlook and price quick coupling E typeDcamlock coupling Type A,B,C,D,E,F,DC ... "2.body:stainless steel 304 3163.gasket:buna(NBR),viton and Telfon4.specification:MIL-C274875.test pressure:3/4"-2" 250PSI ... .thread:ANSI B1.20.1(NPT), BS21,DIN259,DIN2999,ISO228. quick coupling E type