... of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI B 16.5 ... Flanges according to API 605/ASME B16.47.Depending on special purposes, flanges can be manufactured in different shapes ... AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3. Size:1/2-78 inch (DN15-DN2000) ... 1000tons10.Supply Capacity: 10000tons per year Forged Flange on sale