From the name of the wet alar≠↓↕‌m valve we can see that it ¥↑♣is an alarm device. It Ω✔¶is usually installed in the fire safety s‌λ>ystem of the building. It is a key paβ rt of the water sprinkler s€↑↓→ystem. When a fire oc&πcurs in a household, the indoor temperature wil∏"l rise and some fusible materials in the water pi✘'pe will melt. The water began to exti"™nguish. When the fire protect₩÷ion system is in staπεδndby operation, the inside of the fire prot₽×€☆ection pipeline is filled with pressurized w&★♣→ater. The water and t♠™≤$he wet alarm valve are blocked by ≈×a ball of fusible material. There is no™↔ water pressure in the ala ←rm valve. The valve flap of the natural >™ alarm valve When it is off, the ←↓water alarm will not sound an a₹∑larm. Once a fire breaks ≈​out in the area, the temp€≈©erature in the environment wi ¥®ll rise sharply, which will↔α cause the fusible ball to break and ₽​∏rupture!

Speaking of the content here today is almost over≠♥☆↔, Xiaobian reminds eve®✔ryone, must strengthen the awaren→₩ess of fire preventioΩ®∞<n!