... 180G,240G,400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. We ... valve,ball valve,check valve,diaphragm valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow,tee,cross ... over 5,000 s.q.m and the new plant 15,000 s.q.m. under construction.We have strong ... Automatic Argon arc welding machine and so on. Stainless steel sanitary union sanitary pipe fittings