Concentric Reducer Coupling Body Material Cast Iron Class 125 Pipe Size 2-1/2 in x 2 In. Connection Type FNPT Max Pressure 175 psi@-20 Degrees to 150 Degrees F Saturated Steam Pressure 125 psi Temp Range -20 Degrees to 150 Degrees F Standards UL Listed FM Approved Meets ASME B16.4