Slip-On Flange Raised Face 3 in Nominal Pipe Size Flanged x Slip-On 8 1/4 in Flange Outside Diameter 3/4 in Flange Thickness 8 1/4 in Overall Length Steel Black Coated Class Class 300 For Pipe Schedule 80 725 psi Maximum Operating Pressure 725 psi Max Steam Pressure 80 Degrees to 780 Degrees F Number of Bolt Holes 8 3/4 in Bolt Hole Diameter