This 3/4-inch 599 Series 6-way ball valve is used to control hot and chilled water and up to 50% Glycol solution in chilled/heated beams and other four pipe systems using a single valve and actuator. Source A = 4.7 Cv and Source B = 4.7 Cv, linear flow characteristic and chrome-plated brass ball and stainless steel stem. There is a handle for manual operation of the valve in the event of power failure.