Union:male+liner+nut+EPDM seal
Material:304,304L,316L
Standard:DIN 11851,DIN11850,ISO,SMS,3A,RJT
Size:from DN10 to DN 150,1"-6"

Range:DIN Blind Nut Without Nipple 304 DN50,Male Part Welding DIN/ISO 88.9 316 ,Male Part threaded inside Adapter 316 DN25 ,Liner threaded outside Adapter 304 DN50 ,NUT 304 DN25