... FLANGE, SOCKET WELD FLANGE.LAPJOINT FLANGE, THREADED FLANGE. RING TYPE JOINT FLANGE.Pressure Class : 150, 300, 400 , 600 , 900, ... : (ORIFICE FLANGES) WELDING NECK FLANGE, SLIPON FLANGE, THREADED FLANGE.Pressure Class : 300, 400 , 600 , 900, 1500 , 2500* ... 900* API 6A : WELDING NECK FLANGE, THREAD FLANGE,BLIND FLANGE.Pressure : 2000Psi, 3000Psi, 5000Psi, 10000Psi, 15000Psi, 20000Psi, 25000Psi* ...