Nipple Application Air Natural Gas Non-Potable Water Finish/Coating Black Fitting Compatibility Schedule 40 Manufacture Location Globally Sourced Material Steel Material Grade Grade B Maximum Operating Pressure 300 psi @ 150 Degrees F Maximum Operating Temperature 350 Degrees F Maximum Steam Pressure 150 psi @ 350 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 3 in Outside Diameter 3 1/2 in Overall Length 36 in