1. Threaded Stub End Flange 2. Size: 1/2"-24" 3. Pressure Class: ... "-24" ASME B16.5, 26"-80" ASME B16.47TypeWeld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel ... , etc.. ANSI Flanges* ASME/ANSI B16.5 : WELDING NECK FLANGE, SLIP-ON FLANGE, BLIND FLANGE,HIGH HUB BLIND FLANGE, SOCKET WELD ... also our products and special design are warmly welcome. Threaded Stub End Flange