weld neck steel flange 1) size:1/2" to 160" 2) Standard: ISO,DIN, JIS 3) Certification: CE, ... competitiveprice.Detailed of the products description:Nameslip on flange, weld neck flange, plate flange, lap joint flange, blind flange, carbon ... steel, alloy steelPressurePN0.1 to PN40StandardISO, DIN, ANSI/ASME, GB, JISPaintingblack, oil, yelloy, znic and so onTechnicsforged weld neck steel flange