Pipe Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 80 Gravity Flow No Inside Diameter 21/64 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 150 psi Maximum Operating Temperature 450 Degrees F Metal Pipe Construction Seamless Minimum Operating Temperature -60 Degrees F Nominal Pipe Size 1/4 in Outside Diameter 35/64 in Overall Length 6 ft Schedule Schedule 80 Side A Connection Type Unthreaded