VT-220 series switch type electric ball valve by valve actuator and ball valve components. For the control of central air-conditioning fan coil system and heating system of the pipeline to open or close, to the purpose of temperature control. By opening and closing of the valve, make indoor temperature kept the thermostat set temperature range, the series of electric valve actuator and valve with threaded connections, valves can be installed, then install the drive, convenient assembly site, little space occupation, valve flow through size and other characteristics.

 VT-6018 series switch type electric ball valve by valve actuator and ball valve components. For the control of central air-conditioning fan coil system and heating system of the pipeline to open or close, to the purpose of temperature control. By opening and closing of the valve, make indoor temperature kept the thermostat set temperature range, the series of electric valve actuator and valve with threaded connections, valves can be installed, then install the drive, convenient assembly site, little space occupation, valve flow through size and other characteristics.

 VT-6088 Series of switch type electric ball valve by valve actuator and ball valve components. For the control of central air-conditioning fan coil system and heating system of the pipeline to open or close, to the purpose of temperature control. By opening and closing of the valve, make indoor temperature kept the thermostat set temperature range, the series of electric valve actuator and valve with threaded connections, valves can be installed, then install the drive, convenient assembly site, little space occupation, valve flow through size and other characteristics.