This ASME/ASTM/ANSI-certified, class 150, one-inch, 90-degree elbow has an FNPT connection type. It is used in air, natural gas, oil, potable water, and steam-based applications and is made of 316 stainless steel for excellent corrosion resistance. This product has a maximum operating pressure of 150 PSI with a temperature range of -40 Degrees F to 350 Degrees F.