... 180G,240G,400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. ... valve,ball valve,check valve,diaphragm valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow,tee, ... from China,specializes in producing kinds of sanitary valves,pipe fittings as well as OEM services over 15 years. ... machine and so on. Stainless steel sanitary union sanitary pipe fittings