Coupling, Pipe Fitting Material Malleable Iron, Fitting Schedule/Class Class 300, Pipe Size - Pipe Fitting 1/4 in, Fitting Connection Type FNPT, Standards ASME B 16.3 and B 16.4, ASTM A-197, ASTM A47, FM Approved, UL Listed, Max. Pressure 2000 psi@150 Degrees F, Saturated Steam Pressure 300 psi, Temp. Range -20 Degrees to 550 Degrees F. This item has been restricted from sale in the following state (s): []