The Apollo 36ELF Series Lead Free Pressure Reducing Valve is designed to conserve water and protect water distribution systems by automatically reducing elevated supply pressures. The dezincification resistant bronze body, stainless steel adjusting screw and dielectric polymer cage provide maximum corrosion resistance. Designed for easy in-line servicing with simple cartridge removal.Balanced Piston DesignSS Adjusting Screw & NutSealed Cage for Vault InstallationsBuilt-in Thermal Expansion BypassLarge Area Integral Stainless Steel StrainerModular Seat Disc and Strainer CartridgeControl Pressure Ranges:15-75 psi and 75-150 psiFactory Tested and Preset at 60 psi (-01)High Flow / High Efficiency Design100% Manufactured in USA - ARRA Compliant