... FLANGE, BLIND FLANGE,HIGH HUB BLIND FLANGE, SOCKET WELD FLANGE.LAPJOINT FLANGE, THREADED FLANGE. RING TYPE JOINT FLANGE.Pressure Class : 150, 300, 400 , 600 , 900, 1500 , 2500 ... ) WELDING NECK FLANGE, SLIPON FLANGE, THREADED FLANGE.Pressure Class : 300, 400 , 600 , 900, 1500 , 2500* ASTM/ANSI ... , 400 , 600 , 900,1500, 2500* MSS SP44 : WELDING NECK FLANGE, BLIND FLANGE.Pressure Class :300, 400 , 600 ...