... 160" 2) Standard: ISO,DIN, JIS 3) Certification: CE, ISO weld neck steel flangeOur company is a professional pipe fitting manufacture, sowe ... and competitiveprice.Detailed of the products description:Nameslip on flange, weld neck flange, plate flange, lap joint flange, blind flange, carbon steel ... , ANSI/ASME, GB, JISPaintingblack, oil, yelloy, znic and so onTechnicsforged weld neck steel flange