quick coupling E type precision casting A,B,C,D,E,F,DC,DP type ... ,outlook and price quick coupling E typeDcamlock coupling Type A,B,C,D,E,F,DC,DP1.manufacturer2.stainless ... steel precision investment casting3.CNC precisely machinedA Couplingcamlock coupling1.size:1/2"-6"2 ... 3"-4" 200PSI(14.8bar) 2 1/2" 225PSI(15.8bar)6" 150PSI(10.5bar)6.application:oil,petroleum,chemical ...