Blind Flange, Raised Face, 3 in Nominal Pipe Size, Flanged x Blind, 8 1/4 in Flange Outside Diameter, 1 1/16 in Flange Thickness, 1 1/8 in Overall Length, Stainless Steel, 316/316L, Class Class 300, 720 psi Maximum Operating Pressure, 300 psi Max. Steam Pressure, Number of Bolt Holes 8, 6 5/8 in Bolt Circle Diameter, 7/8 in Bolt Hole Diameter