' Plug, Body Material Galvanized Malleable Iron, Pipe Size 1-1/4 In., Connection Type MNPT, Max. Pressure 300 psi @ 150 Degrees F WOG, Saturated Steam Pressure 150 psi @ 350 Degrees F, Class 150, Temp. Range -20 Degrees to 350 Degrees F, Standards UL Listed, FM Approved, Meets ASME B16.14, ASTM A197 '