Special Flanges,carbon flange,steel flange,forged flange; with good quality,reasonable price,promptly delivery... Flanges:(1) Flanges Type: Plate ... Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange(2) Flanges Standards: ANSI ... ) Flange Packaging: Veneer plywood cases or as per your request thread flange