... ,copper ; 2.Finish:mirror polishing; 3.Application:sanitary pipe fitting part; 1.Type: sanitary pipe fittings2.Material: 304,304L,316L 3.Size: 1 ... "-6",DN25-DN150 4.Standards: DIN,3A,SMS,ISO,IDF, RJTSanitary union ... polishing(180G,240G,400G)Shape: round or hexagon typeA completed union was composed of nut,liner,male,seal ring. We also ...