This ANSI/ASME/MSS/ASTM-certified, class 1500, 3/4-inch flange has a raised face weld neck connection type. It is used in air, natural gas, propane, steam, and water-based applications and is made of 316 stainless steel for excellent corrosion resistance. This product has a maximum operating pressure range between 1000 and 3000 PSI.