Reducing Coupling Body Material 304 Stainless Steel Pipe Size 1-1/2 in x 1 In. Connection Type FNPT Max Pressure 300 psi Max Steam Pressure 150 psi Standards Material Conforms To ASTM-A-351 Threads Conform To ANSME B1.20.1 Meets MSS-SP-114 Class 150 Pressure Ratings