... , C22.8/P250GH, A105/SS400. Size: DN15-DN2500. ASTM a105 blind flange The specification is as follows:1-American Standard:ANSI ... ) TO 80(DN2000;)Type: Welding Neck Flanges, Slip-on Flanges, Blind Flanges, Threaded Flanges, Lap-Joint Flanges, Socket Welding Flanges;OD ... : by plywood cases or pallets for vessel transportation ASTM a105 blind flange