... ,240G,400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. We ... also supply seperate parts such as: nut,liner,male,blind cap with chain,blind cap etc ... valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow,tee,cross,reducer,sight glass,manhole ... Automatic Argon arc welding machine and so on. Stainless steel sanitary union sanitary pipe fittings