Marketing InformationThis 1 In 500XL3 Pressure Reducing Valve handles high flow rates more efficiently than any other. Its patented venturi reduces pressure falloff, delivering best-in-class performance. The 500XL3 is built to last with an all-bronze body, stainless steel stem and a Noryl thermoplastic cartridge. Designed to ease installation and maintenance, the 1-500XL3DUC includes two copper sweat union tailpiece kits. This 1 In model is ideal for commercial plumbing systems and industrial water lines.