Threaded Flange, Raised Face, 1 in Nominal Pipe Size, Flanged x FNPT, 4 1/4 in Flange Outside Diameter, 1/2 in Flange Thickness, Steel, Anodized, Class Class 150, For Pipe Schedule 40, 150 psi Maximum Operating Pressure, -29 Degrees to 425 Degrees F, Number of Bolt Holes 4, 5/8 in Bolt Circle Diameter, 1/2 in Bolt Hole Diameter, 11 1/2 Flange Fitting Threading.
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