Galvanized casting Iron Conical pipe union 330: 1/8"-6" Hot Dip/Electro/Baked Galv, Black NPT, ... ,DIN ISO9001,SGS,BV Galvanized casting iron conical pipe union 330 Size1/8”-6”FinishingGalvanized, Electro Galvanized, Epoxy, BlackThreadsDIN, BS, NPT ... so onMalleable Iron MaterialsKTH 350~10, KTH 300~06, KTH 330-08 Black HeartThread StandardISO 7/1, NPT ANSI B1.20 ...