Nipple Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 40 Inside Diameter 2 1/16 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 150 psi @ 72 Degrees F Maximum Steam Pressure 150 psi @ 360 Degrees F Metal Pipe Construction Welded Nominal Pipe Size 2 in Outside Diameter 2 3/8 in Overall Length 8 in Pipe Weld Type Electric Resistance Weld