Slip-On Flange, Raised Face, 24 in Nominal, 24-1/4 in ID, 1.81 in Thickness, 29-1/2 in Diameter Bolt Circle, 20 Bolt Holes, 1-3/8 in Bolt Hole, 32 in OD, 285 psig Pressure, 150 lb Pressure Class, -20 to 100 deg F, 26.12 in Diameter Hub, 3.19 in Length Through Hub, Forged Carbon Steel, Domestic