Pipe Application Air Natural Gas Non-Potable Water Oil Steam Fitting Compatibility Class 150 Gravity Flow No Inside Diameter 1 in Material Red Brass Material Grade ASTM B43 Maximum Operating Pressure 190 psi @ 450 Degrees F Maximum Operating Temperature 400 Degrees F Maximum Steam Pressure 755 psi @ 300 Degrees F Metal Pipe Construction Seamless Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 1 in Outside Diameter 1 21/64 in Overall Length 6 ft