weld neck steel flange 1) size:1/2" to 160" 2) Standard: ISO,DIN, JIS 3) Certification: CE, ISO weld neck steel flangeOur company is a professional pipe fitting manufacture, sowe can supply you products in good quality and competitiveprice.Detailed of the products description:Nameslip on flange, weld neck flange, plate flange, lap joint flange, blind flange, carbon steel flange, stainless steel ...