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electric two-way valve type, it is divided into direct acting and pilot operated two kinds, the application scope and characteristics are as follows:
1, the drive from single hysteresis synchronous motor drive, spring return valve, the valve does not work in a normally closed state, when the need to work, provided by a hvac thermostat open signal to make the electric valve connected to the ac power and action.
2, is used to control the cold water or hot water air conditioning system of the pipe open or closed, to achieve the purpose of the control room temperature.
3, open the valve, chilled water or hot water into the fan coil units, to provide room air conditioning or heating, when the room temperature reaches the hvac thermostat set point, the hvac thermostat to the electric power valve, reset spring to close the valve, thus cutting into the fan coil currents, through the valve closed and open, make the room temperature always stay in the temperature control setting temperature range.
the electric valve drive and valve adopts threaded connection method, can be in after installation of valve, and then install the drive. Field assembly and connection flexibly and conveniently. Drive the plane design can be installed close to the wall, to take up the space is little, products are reliable and durable, low operating noise, and can often appear in the concealment type fan coil units of high temperature and high humidity environment and reliable work.
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