... FLANGE, SLIP-ON 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(2).ASME/ANSI B16.47(SERIES A & B) : WELDING NECK FLANGE, BLIND FLANGE ... .36 : (ORIFICE FLANGES) WELDING NECK FLANGE, SLIPON FLANGE, THREADED FLANGE.Pressure Class :2000Psi, 3000Psi, 5000Psi, ...