... . Standard: ANSI 5. Certification: ISO9001:2000 Basic Information Flange Size1/2"-24" ASME B16.5, 26"-80" ASME B16.47TypeWeld Neck ... BLIND FLANGE, SOCKET WELD FLANGE.LAPJOINT FLANGE, THREADED FLANGE. RING TYPE JOINT FLANGE.Pressure Class : 150, 300, 400 , 600 , 900, 1500 ... , 2500* ASME/ANSI B16.47(SERIES A & B) : WELDING NECK FLANGE, BLIND FLANGE.Pressure Class :75, 150 ...