Professional manufacturer of forged flange in China, ansi b16.5 slip on, weld neck, bland flange(class150-1500). Size:1/2"-80" WT:150-2500lbs ClassA-E Material:cs,alloy steel, ss Qualification:ISO9001,API,CE size 1/2" to 24" ASME B16.526"to 80" ASME B16.47TypeWNF, SO, SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ, TG, RTJ, SRF,PressureClass 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10, ...