Working principle of constant temperature mixing valve of solar water heater

The working principle of constant temperature mixing valve of solar water heater mainly relies on the thermistor installed at the mixing outlet, which can sense the change of water temperature and automatically adjust the mixing ratio of hot and cold water, so as to keep the outlet water temperature stable.
Sensing and adjustment mechanism: A thermosensitive temperature component is installed at the mixing outlet of the mixing valve. When the water temperature changes, the thermosensitive component will expand or contract, thereby pushing the valve core to move, blocking or opening the water inlet of hot and cold water.
Maintain constant temperature: In this way, no matter how the inlet temperature and pressure of hot and cold water change, the ratio of hot and cold water entering the outlet will be adjusted accordingly to ensure that the outlet water temperature always remains within the set range. For example, if the water temperature drops or the water consumption increases, the mixing valve will automatically increase the proportion of hot water, and vice versa, to maintain the set temperature.
Safety protection: In addition, this mixing valve also has a safety protection function. For example, if the single pipe of hot and cold water is cut off during bathing, the mixing valve can automatically stop the water instantly to prevent scalding or cold.
These characteristics make the solar water heater constant temperature mixing valve not only improve the comfort of use, but also enhance safety, especially in places such as medium and small domestic hot water systems and bathing centers that need to provide a stable water supply temperature.
Shanghai TU-POLY Industrial Co.,Ltd.
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