This metal pipe flange meets the standards for ASTM A-197, ASTM A47, ASME B16.3/B16.4, UL, FM, has a maximum operating pressure of 150 psi and is designed for the following applications: air, natural gas, non-potable and potable water, propane, steam. It is black, has an operating temperature of -29 Degrees to 425 Degrees F and is made of steel with an anodized finish/coating. In addition, it has 9 inch outside diameter and is a slip-on flange. Plus, it has a Flanged x Slip-On connection type.