Flange, Raised, 8 in Nominal Pipe Size, Flanged x Blind, 15 in Flange Outside Diameter, 1 9/16 in Flange Thickness, 15 in Overall Length, Steel, Not Applicable, Class Class 300, For Pipe Schedule Schedule 80, 725 psi @ 72 Degrees F Maximum Operating Pressure, 725 psi Max. Steam Pressure, 80 Degrees to 780 Degrees F, Number of Bolt Holes 12, 13 in Bolt Circle Diameter, 7/8 in Bolt Hole Diameter