... ",24''-80'' Thickness:SCH10-XXS Material:Carbon Steel,Stainless Steel Flanges -ANSI B16.5 Welding Neck size 1/2" to 24 ... , SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ, TG, RTJ, SRF,PressureClass 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10 ... , papermaking, construction, etcSpecial design available as the requirement of customer Flanges -ANSI B16.5 Welding Neck