The use of high-pressure solenoid valves in fine water mist fire extinguishing technology began in the 1940s, when they were mainly used in special places such as transportation. With the advancement of science and technology and the change in people's fire prevention and extinguishing concepts, especially after the discovery that halogenated hydrocarbon fire extinguishing agents have a destructive effect on the atmospheric ozone layer, fire extinguishing systems using water mist or water as the basic medium have emerged. Water mist fire extinguishing technology, as one of the main alternative technologies, has received attention and favor from all walks of life.

The advantages of high-pressure fine water mist system over traditional fire protection systems lie in the generation of fine water particles. The diameter of water particles should be less than 200 μ m when reaching Dv0.5 and less than 400 μ m when reaching Dv0.99. This small water particle ensures that the high-pressure fine water mist system can extinguish fires with very little water, and the extinguishing effect is very good. The mechanism of high-pressure fine water mist fire extinguishing is the high-efficiency cooling ability, which suppresses the flame due to the high-speed rush of small water droplets towards it, and evaporates a large amount of heat to extinguish the fire; In addition, water evaporates into steam gas, which expands 1720 times and can cause local hypoxia and suffocation, playing an auxiliary role in fire extinguishing.

High pressure solenoid valves play a crucial role in the entire fire extinguishing system and have the following advantages:

1. High pressure resistance: Generally, the pressure of high-pressure fine water mist systems is between 15-20 MPa, so high-pressure solenoid valves must withstand pressures above 20 MPa;

2. Quick response: extinguish the initial fire in a timely manner. Early firefighting is a favorable opportunity to extinguish the fire at the initial or early stage, avoiding the spread and expansion of the fire into a disaster. This requires a very fast response speed of the high-pressure solenoid valve, usually calculated in milliseconds.

3. Reliable performance: able to respond in a timely manner, and even in the event of a sudden fire after a long period of inactivity, it should still be able to move freely in an instant.

4. Hand to body integration: In the event of a fire scene, if there is a power failure in the fire protection system equipment that prevents the high-voltage solenoid valve from being powered on, it is required that the high-voltage solenoid valve integrate manual functions, and manual operation can also eliminate the fire in a timely manner.

Chongqing Kaiborui Valve Co., Ltd. specializes in producing high-pressure solenoid valves for fire water mist.

Fire high-pressure fine water mist special solenoid valve