Weld Neck Flange Raised Face 2 in Nominal Pipe Size Flanged x Weld Neck 8 1/2 in Flange Outside Diameter 1 1/2 in Flange Thickness 8 1/2 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 8 7/8 in Bolt Hole Diameter