Manufacturer Varies Flange Threaded Flange, 3″ Pipe, NPT, Black Steel, Class 150
Flange, Raised, 3 in Nominal Pipe Size, Flanged x FNPT, 7 1/2 in Flange Outside Diameter, 7/8 in Flange Thickness, 4 1/4 in Overall Length, Steel, Anodized, A105, Class Class 150, For Pipe Schedule Schedule 40, 300 psi Maximum Operating Pressure, -29 Degrees to 425 Degrees F, Number of Bolt Holes 4, 6 in Bolt Circle Diameter, 3/4 in Bolt Hole Diameter, 8 Flange Fitting Threading.