... manufacturer of forged flange in China, ansi b16.5 slip on, weld neck, bland flange(class150-1500). Size:1/2"-80 ... , 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47 ... , etcSpecial design available as the requirement of customer Forged slip on flange(ansi clsss 300)