McMaster 51205K139 Extreme Pressure 316 Stainless Steel Pipe Fitting Straight Reducer with Hex Body, 1 2 x 1 4 NPTF Male DWE575 Range 20 Degrees to 550 Range 20 Degrees to 550 Degrees F Pipe Fitting Schedule Class Class 300 Saturated Steam Pressure 230 psi @ 550 Degrees F Specific Pipe Fitting Shape Union Pipe Fitting Connection Type Female NPT x Female NPT Max 141 in Pipe Fitting Schedule Class Schedule 80 Specific Pipe Fitting Shape Nipple Side B Thread Type Not Applicable Side A Gender Female Side A Connection Type Plain Maximum Steam Pressure 300 psi Schedule Schedule 80 Pressure Level Medium Pressure (300 999 psi) Side A Thread Type Not Applicable Material Steel Maximum Operating Pressure 2000 psi @ 150 Degrees F Manufacture Location Made in USA* Fitting Compatibility Schedule 80 Threading NPT Pipe Material Black Anodized Steel Finish Coating Black Anodized Side B Gender Female Side B Connection Type Plain Material Grade Grade A Connection Type Female NPT x Female NPT Metal Pipe Construction Welded Thread Configuration Unthreaded Application Air Schedule B 316 stainless steel fittings have excellent corrosion resistance