Van Stone Flange Raised 6 in Nominal Pipe Size Spigot 11 in Flange Outside Diameter 1 1/4 in Flange Thickness Schedule 80 Class Class 150 For Pipe Schedule 80 CPVC 150 psi Maximum Operating Pressure 176 Degrees F Number of Bolt Holes 8 9 1/2 in Bolt Circle Diameter 13/16 in Bolt Hole Diameter 5 1/16 in Overall Length Gray