| 摘要 |
This invention refers to a thermostatically controlled mixing valve for a sanitary installation. The mixing valve is provided with a chamber for mixing the hot and cold water. The mixing chamber has disposed therein, temperature sensing means which automatically adjusts the amount of hot and cold water entering therein to the pre-set temperature and also serves as an outlet which is coupled to a consumption or use point. The mixing valve is provided with either a cartridge which includes valve means for opening and closing the hot and cold water supply with means for proportioning the amount of hot and cold water entering the mixing chamber or a cartridge which includes means for proportioning the amount of hot and cold water entering the mixing chamber with automatic built-in back flow prevention valves for the hot and cold water supply; both cartridges being replaceable or interchangeable respectively within the housing of the mixing valve.
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