Threaded Flange, Flat Face, 1/2 in Nominal Pipe Size, Flanged x FNPT, 3 1/2 in Flange Outside Diameter, 3/8 in Flange Thickness, 3 1/2 in Overall Length, Aluminum, Class Class 125, For Pipe Schedule 40, 125 psi Maximum Operating Pressure, 185 psi Max. Steam Pressure, 0 Degrees to 270 Degrees F, Number of Bolt Holes 4, 1/2 in Bolt Hole Diameter.
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