Flange, Not Applicable, 3 in Nominal Pipe Size, Grooved, 3 1/2 in Flange Outside Diameter, 3/4 in Flange Thickness, Not Applicable Overall Length, Ductile Iron, Painted, A536 65-45-12, Class Class 150, For Pipe Schedule Not Applicable, 300 psi Maximum Operating Pressure, Number of Bolt Holes 4, 6 in Bolt Circle Diameter, 3/4 in Bolt Hole Diameter