Slip-On Flange Raised Face 3 in Nominal Pipe Size Flanged x Slip-On 8 1/4 in Flange Outside Diameter 1 1/4 in Flange Thickness 8 1/4 in Overall Length Steel Black Coated Class Class 600 For Pipe Schedule 80 1 450 psi Maximum Operating Pressure 1 450 psi Max Steam Pressure 80 Degrees to 780 Degrees F Number of Bolt Holes 8 3/4 in Bolt Hole Diameter