Union, Pipe Fitting Material Black Forged Steel, Fitting Schedule/Class Class 3000, Pipe Size - Pipe Fitting 1 in, Fitting Connection Type Socket Weld, Standards ASME B 16.11, ASTM A106, MSS SP-83, Max. Pressure 3000 psi, Saturated Steam Pressure 300 psi @ 550 Degrees F, Outside Dia. 2 25/32 in, Number of Holes 2, Hex Size 2 3/8 in, Temp. Range -20 Degrees to 550 Degrees F. This item has been restricted from sale in the following state (s): []