Viking CS03FTFPR820 is a flow regulator designed for use in commercial and industrial chillers. It is designed to regulate flow accurately and precisely, allowing the chiller to maintain optimum cooling performance. The CS03FTFPR820 can be used in a variety of applications, such as commercial freezers and coolers, refrigeration systems, and climate control systems. The CS03FTFPR820 is a single threaded valve, and features a 3/8” female inlet, 1/2” female outlet, and a 0.25” pressure differential between inlet and outlet. It is made of durable stainless steel and includes a set screw for easy adjustment of the valve. The CS03FTFPR820 is designed for temperatures up to 140°F and pressures up to 200 psi. It is UL and CSA approved, and is RoHS compliant.