A Pressure Reducing Valve is a control valve that reduces the input pressure of a fluid to a desired value at its output. Generally used for gases and liquids. Certified by ACS, this model is suitable for Drinking Water, Beverage, Food Processing industries. PRV for RO. Features ACS Certifications for Drinking Water and Beverage application. ACS Certifications may apply to RO system. Direct acting pressure reducing valve is suitable for general liquids and gases. Suitable for process automation control and many general purpose applications. Convenient in-style mounts either horizontally or vertically. Wide range capacity to handle local water supply pressure and adjust to specific pump specifications. Adjusting nut allows easy calibrated pressure adjustment. Stainless Steel 316 lower body and upper body construction for durability and compatibility. The balanced piston design provides a constant outlet pressure even when the inlet pressure is unstable.