3/4" Threaded Forged Steel Union Price For: Each Temp. Range: -20 Degrees to 550 Degrees F Number of Holes: 2 Basic Fitting Shape: Union Fitting Schedule/Class: Class 3000 Specific Fitting Shape: Union Pipe Fitting Material: Black Forged Steel Basic Fitting Material: Metal Saturated Steam Pressure: 300 psi @ 550 Degrees F Standards: ASME B16.11, B1.20.1, ASTM A106, MSS SP-83 Pipe Size (Fittings): 3/4" Max. Pressure: 2000 psi @ 150 Degrees F Hex Size: 2-3/8" Outside Dia.: 2-3/8" Item: Union Fitting Connection Type: FNPT Country of Origin (subject to change): United States