... Neck flange(WN),Slip-On flange(SO),Blind flange(BL),Socket Weld flange SW), Plate flange(PL),Threaded flange (TH), ... FLANGE, SLIP-ON FLANGE, BLIND FLANGE,HIGH HUB BLIND FLANGE,,SOCKET WELD FLANGE.LAPJOINT FLANGE, THREADED FLANGE. RING TYPE JOINT FLANGE ... Class :300, 400 , 600 , 900* API 6A :WELDING NECK FLANGE, THREAD FLANGE,BLIND FLANGE.Pressure :2000Psi, 3000Psi, 5000Psi, 10000Psi, 15000Psi, 20000Psi ...