Nipple Application Air Gas Potable Water Finish/Coating Galvanized Fitting Compatibility Class 150 Gravity Flow No Inside Diameter 1/2 in Manufacture Location Globally Sourced Material Steel Material Grade Grade B Maximum Operating Pressure 1739 psi @ 650 Degrees F Maximum Operating Temperature 600 Degrees F Maximum Steam Pressure 1739 psi @ 650 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 3/8 in Outside Diameter 43/64 in