... )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...We ... valve,diaphragm valve,safety valve,union parts,ferrule,end cap,nut,clamp,elbow,tee,cross,reducer,sight glass,manhole cover,cleaning ball ...