... slip on, welding neck, blind and so on. Forged flange Ring Joint Facing flange class150-2500 ANSI B16.5Sizes: DN15 to DN1200, 1 ... inch, Class 150lb to 1500lbMaterial: carbon steel, stainless steelStandard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092,UNI,GOST12820-80Types: plate, slip on ... forging, machining, assembly, inspection, packaging productionPaul JingSales manager Forged flange ring joint facing