Union, Pipe Fitting Material 316 Stainless Steel, Fitting Schedule/Class Class 3000, Pipe Size - Pipe Fitting 1 in, Fitting Connection Type Socket Weld, Max. Pressure 2900 psi @ 100 Degrees F, Max. Steam Pressure 2500 psi @ 350 Degrees F, Standards Material Conforms To ASTM-A-182, meets MSS SP-83. This item has been restricted from sale in the following state (s): []