Merchant Coupling, Pipe Fitting Material Black Forged Steel, Fitting Schedule/Class Class 300, Pipe Size - Pipe Fitting 1 in, Fitting Connection Type FNPT, Standards ASTM Spec A865, Max. Pressure 2000 psi @ 150 Degrees F, Saturated Steam Pressure 300 psi @ 550 Degrees F, Temp. Range -20 Degrees to 550 Degrees F. This item has been restricted from sale in the following state (s): []