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Let’s take a look at how a mixing valve works.
A mixing valve is a device that provides consistently warm water by blending hot and cold water and reducing the water temperature. It offers all the advantages of automatic thermostatic mixing valves for hot and cold water. Thanks to its simple and convenient installation, high cost-effectiveness, and excellent temperature-control accuracy, it’s widely used in various applications. However, many people don’t fully understand how it works. Now, let’s take a closer look at the operating principle of a mixing valve.

A thermal element is installed at the mixed-water outlet of the automatic thermostatic water-saving mixer. Leveraging the thermal element’s properties, it drives the movement of the valve core inside the valve body, thereby blocking or opening the inlets for cold and hot water. When the cold water inlet is blocked, the hot water inlet opens simultaneously. Once the temperature-adjusting knob is set to a specific temperature, regardless of how the inlet temperatures and pressures of cold and hot water may vary, the ratio of cold to hot water entering the outlet will adjust accordingly, ensuring that the outlet water temperature remains consistently stable. The temperature-adjusting knob can be set arbitrarily within the product’s specified temperature range, and the automatic thermostatic water-saving mixer will automatically maintain the outlet water temperature.
We hope this article will help everyone better understand mixing valves. Chengde Longzhida Smart Instrument & Meter Technology Co., Ltd. develops high-end mixing valve products that boast first-class quality and comprehensive after-sales service.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Today is a day that every Chinese person should solemnly remember—the 80th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War.
On July 2, Chengde Longzhida Company held a meeting with the Sino-German Institute. After thorough discussions between the two sides, Mr. Bai, General Manager of Longzhida Company, and the faculty team from the Sino-German Institute reached a consensus: Longzhida Company officially entrusted the Sino-German Institute to carry out the design and R&D work for a new type of ultrasonic water meter.
On May 30, Longzhida Company successfully held an exceptionally meaningful event titled “Welcoming the Eighth ‘National Science and Technology Workers’ Day’: Promoting the Spirit of Scientists.”