... SS304,SS316,CF8/CF8M,1.4308/1.4408 4.Size:1/2"-4",DN15-DN100 1.Investment casting technology2.CNC ... pipe fitting: elbow 45,tee,round cap,hexagon nipple,union,bushing,barrel nipple,close nipple ,welding nipple,hose nipple, ... typeDP4.Malleable iron pipe fittings such as elbow,tee,union,bushing,socket and so on5.Develop and design for curstomer ... relation of equal mutual benefit . Type D COUPLER FEMALE