172K-10304 | Siemens | Control Valves & Actuators

This 599 Series 2-way ball valve with a 2-10 Vdc control, normally closed, fail safe actuator assembly, providing 200 psi close-off, is used to control hot or chilled water and up to 50% Glycol solution in convectors, fan coil units, unit conditioners, radiation and reheat coils. This 1/2-inch valve is 2.5 Cv, equal percentage flow characteristic, with chrome-plated brass ball and brass stem, and an operating handle that can manually operate the valve in the event of power failure.