' Hex Bushing, Body Material Galvanized Malleable Iron, Pipe Size 2 In. x 1/2 In., Connection Type MNPT x FNPT, Max. Pressure 300 psi @ 150 Degrees F WOG, Saturated Steam Pressure 150 psi, Class 150, Standards ASTM A-197, ASTM A47, ASME B16.3 and B16.4, UL Listed, FM Approved, NSF-61 and AB1953 Listed '