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