weld neck steel flange 1) size:1/2" to 160" 2) Standard: ISO,DIN, JIS 3) Certification: CE, ISO weld neck steel flangeOur ... the products description:Nameslip on flange, weld neck flange, plate flange, lap joint flange, blind flange, carbon steel flange, stainless steel flange, alloy steel flangeSizeDN10 to ... GB, JISPaintingblack, oil, yelloy, znic and so onTechnicsforged weld neck steel flange