... material:stainless steel standard:ANSI pressure:150#-2500# Welded flange PN16size1/2" - 24" ASME B16.525"- 60" ASME B16.47TypeWN, ... , SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ, TG, RTJ, SRF,Pressure150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16 ... F70,etc)QualificationISO,API,CE/PED to euro,etc Welded flange PN16