Threaded Flange Faced and Drilled Body Material Cast Iron Class 125 Pipe Size 2-1/2 In. Connection Type Flanged x FNPT Max Pressure 175 psi@-20 Degrees to 150 Degrees F Saturated Steam Pressure 125 psi Outside Dia 7 In. Number of Holes 4 Temp Range -20 Degrees to 150 Degrees F Standards UL Listed FM Approved Meets ASME B16.4