... quality with SGS, ISO, BV Galvanized Malleable Iron Pipe Fittings M&F ElbowSize1/8”-6”FinishingGalvanized, Electro Galvanized, Epoxy, BlackThreadsDIN, ... BS143Dimension B16.3, ISO 49, BS 143,PressureClass 150, Class 300, PN10, PN16UsageConvey Water, Oil, Gas, Steam and so onMalleable ... Iron MaterialsKTH 350~10, KTH 300~06, KTH 330-08 Black HeartThread StandardISO 7/1, NPT ...