Flange Adapter, Companion Flange, Nominal Size A: 2-1/2 inch, Female Connection, 0.067 inch Wall Thickness, Copper, 150 Pressure Class, Pressure Rating: 450 psi, Standards: ANSI B 16.5 150, ASME B16.22, 2.42 inch Inner Dia, 4.2 inch Outer Dia, 2.02 inch Length