... manufacturer supply free sample durable CAMLOCK COUPLING/QUICK COUPLINGStainless steel quick coupling type A,B,C,D,E,F,DC,DP:1 Size: 1/2 ... 90,tee,cross,union,cap,socket,coupling,plug,nipple,bushing etc.3.Quick coupling: type A,B,C,D,E,F,DC,DP4.Forged fittings ... and flanges:butt-weld elbow,tee,cap,150-3000LBS ...