Flange 1)Type: Slip-On flange, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange, blank flange, Hex Flange and flange Plate etc. 2)Pressure Ratings: Class 150, 300, 600, 900, 1500 and 2500 etc. 3)Materials:Carbon steel, Stainless steel and Alloy steel etc. 4)Standards:ANSI, API, BS, DIN, UNI, JIS and MSS SP etc. 5)Size:1/2" ~ 64" 6) Packaging: veneer plywood cases or as per your request