THIS 599 SERIES 3-WAY BALL VALVE WITH A SPRING RETURN 3 POSITION (FLOATING) ACTUATOR ASSEMBLY, PROVIDING 200 PSI CLOSE-OFF, IS USED TO CONTROL HOT OR CHILLED WATER AND UP TO 50% GLYCOL SOLUTION IN AIR HANDLERS, CONVECTORS, FAN COIL UNITS, UNIT CONDITIONERS, RADIATION AND REHEAT COILS. THIS 1-1/4-INCH VALVE IS 25 CV, WITH STAINLESS STEEL BALL AND STEM, INCLUDES AN OPERATING HANDLE THAT CAN MANUALLY OPERATE VALVE IN THE EVENT OF POWER FAILURE.