... :ISO9001,API,CE size 1/2" to 24" ASME B16.526"to 80" ASME B16.47TypeWNF, SO, SWF, BL, OF,LF,PLFaceRF ... ,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME B16.36,DIN 86341-2000, DIN2505materialCarbon steel(ASTM A105 ... Flanges, Socket Welding Flanges, Blind Flanges, Orifice Flanges, Lap Joint Flanges, Ring Joint Flanges, Long Welding Neck Flanges, Figure 8 BlanksPRESSURE GRADE: Class150 ...