... 4.Certificate:ISO9001 CE API WN/RF SHCEDULE: 40 FLANGE 18" DIAMETER size 1/2" to 24" ASME B16.5 24 ... "to 80" ASME B16.47TypeWNF, SO, SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ, TG, RTJ, SRF,PressureClass 150Lbs ... superior qualityProducts package FLANGE INSPECTION WN/RF SHCEDULE: 40 FLANGE 18" DIAMETER