Blind Flange Raised Face 1 in Nominal Pipe Size Flanged x Blind 5 7/8 in Flange Outside Diameter 1 1/16 in Flange Thickness 5 7/8 in Overall Length Steel Black Coated Class Class 1500 For Pipe Schedule XXH 3 600 psi Maximum Operating Pressure 3 600 psi Max Steam Pressure 80 Degrees to 780 Degrees F Number of Bolt Holes 4 7/8 in Bolt Hole Diameter