... Neck flange(WN),Slip-On flange(SO),Blind flange(BL),Socket Weld flange SW), Plate flange(PL),Threaded flange (TH),Lap ... Collar, Loose Plate Flange, Companion Flange,Spectacle FLG8 (Spacer & Blanks),Long Welding Neck (LWN) Orifice Flange,Etc. Wnrf (Wnff), Sorf (Soff ... FLANGE, SLIP-ON FLANGE, BLIND FLANGE,HIGH HUB BLIND FLANGE,,SOCKET WELD FLANGE.LAPJOINT FLANGE, THREADED FLANGE. RING TYPE JOINT FLANGE ...