Carbon Steel Flange , Slip On Flange Threaded Flange , Blind Flange Socket Welding Flange, Alloy flange,Plate Flange Threaded Flange ANSI Flange Size:1/2" ~ 64"(DN15 mm ~ 1600 mm)ANSI Flange Type:Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc.Pressure Ratings:Class 150, 300, 600, 900, 1500, 2500 Pressure Ratings: PN 6, PN 10, PN16, PN25, PN40, PN63, PN100, ...