The principle of the components of the wet alarm valve

From the name of the wet alarm valve we can see that it is an alarm device. It is usually installed in the fire safety system of the building. It is a key part of the water sprinkler system. When a fire occurs in a household, the indoor temperature will rise and some fusible materials in the water pipe will melt. The water began to extinguish. When the fire protection system is in standby operation, the inside of the fire protection pipeline is filled with pressurized water. The water and the wet alarm valve are blocked by a ball of fusible material. There is no water pressure in the alarm valve. The valve flap of the natural alarm valve When it is off, the water alarm will not sound an alarm. Once a fire breaks out in the area, the temperature in the environment will rise sharply, which will cause the fusible ball to break and rupture!

Speaking of the content here today is almost over, Xiaobian reminds everyone, must strengthen the awareness of fire prevention!