This 4 inch lead free high capacity water pressure reducing valve is used in commercial and industrial applications to reduce incoming water pressure for protection of plumbing system components and reduce water consumption. It features a triple coated corrosion preventative iron body, flanged inlet and outlet connections, replaceable disc, interchangeable diaphragm chamber, replaceable stainless steel seat and stainless steel stem. The maximum working pressure is 175 PSI (12.06 BAR), and the adjustable reduced pressure range is 25 to 100 PSI (1.7 to 7.0 BAR). The temperature range is 33 to 160 degrees F (0.5 to 71 degrees C).