Dynamic Balancing Valve 1. Control: on/off 2. 1/2'', 3/4'' and 1'' 3. Voltage: 220VAC 4. pressure regulation WPCV series dynamic balance control ball valves consist of self-operated pressure regulator and equal percentage ball valve, matching with on/off, 3-piont or proportional actuator. It is mainly used in terminal air conditioner Equipment to control the temperature in HVAC system.Description ...