... : WNF, SO, SWF, BL, OF,LF,PL a105 gr b flange size 1/2" to 24" ASME B16.526"to ... 47TypeWNF, SO, SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ, TG, RTJ, SRF,PressureClass 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs ... , /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME B16 ... etcSpecial design available as the requirement of customer a105 gr b flange