Welded flange PN16 material:stainless steel standard:ANSI pressure:150#-2500# Welded flange ... , FF, MF, MFM, RJ, TG, RTJ, SRF,Pressure150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B ... ,etc)QualificationISO,API,CE/PED to euro,etc Welded flange PN16