Siemens 599-10324 2W 1-1/2", 63 CV BALL VALVE, CHROME-PLATED BRASS BALL & BRASS STEMSiemens 599 10324 2W 1 1 2", 63 Cv ball valve, chrome plated brass ball brass stemThis 599 Series 2 way ball valve 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 1 2 inch valve is 63 Cv, full port, with chrome plated brass ball and brass stem, and an operating handle that can manually operate the valve in the event of power failure. This 599