Nipple Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 80 Gravity Flow No Inside Diameter 1 5/16 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 2195 psi @ 650 Degrees F Maximum Operating Temperature 650 Degrees F Metal Pipe Construction Seamless Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 1 1/4 in Outside Diameter 1 11/16 in Overall Length 2 1/2 in Schedule Schedule 80