各位小伙伴們，在逛的時候有沒有注意到這樣的一種消防設施——建筑火災防火門、防火卷簾門。這是一種適用于建筑物較大洞口處的防火、隔熱設施。它廣泛應用于工業與民用建筑的防火隔斷區，下面我們來認識認識它吧。

Ladies and gentlemen, have you noticed such a kind of fire protection facility - building fire doors and fire shutter doors when shopping in the mall. This is a fire prevention and thermal insulation facility applicable to large openings in buildings. It is widely used in the fire compartment of industrial and civil buildings. Let's know it.

什么是防火門

What is a fire door

（1）防火門是指在規定時間內，可以滿足一定隔熱要求、完整性、耐火穩定性等要求的門，這種門一般是被設置在疏散樓梯間或者是防火分區間，或者是垂直豎井間，它不僅具有一定的防火性，而且還可以防火、隔物。

(1) Fireproof door refers to the door that can meet certain thermal insulation requirements, integrity, fire resistance stability and other requirements within the specified time. This kind of door is generally set in the evacuation staircase, fire compartment, or vertical shaft. It not only has certain fire resistance, but also can fire and partition.

（2）符合規定防火等級的防火門，不僅應該具有良好的耐高溫性，而且還應該具有良好的隔熱性和防煙霧穿透性，并且還應該配有當火災發生時，自動關閉的功能,，這樣在一定時間內，就可以有效防止火災蔓延，讓人員有時間逃離火災現場，起到防火、分隔的作用。

(2) The fire doors meeting the specified fire rating should not only have good heat resistance, but also have good heat insulation and smoke penetration resistance, and should also be equipped with the function of automatic closing when a fire occurs, so that within a certain period of time, it can effectively prevent the spread of fire, give people time to escape from the fire site, and play the role of fire prevention and separation.

濟南防火卷簾門安裝維修人員提醒您，防火門等級一般有三種，分別是、乙級、丙級，具體如下所示：

Jinan fire shutter door installation and maintenance personnel remind you that there are generally three grades of fire doors, namely Class A, Class B and Class C, as follows:

（1）防火門：高可耐火極限一般在1.5小時以上，門板材質一般為全鋼板，門板中間可以加設玻璃觀察窗，當火災發生時，可以起到防止火災擴大的作用。

(1) Class A fireproof door: the high fire endurance is generally more than 1.5 hours, the door panel is generally made of full steel plate, and the glass observation window can be added in the middle of the door panel, which can play a role in preventing the expansion of fire in case of fire.

（2）乙級防火門：高可耐火極限一般在1小時以上，門板材質也是屬于全鋼板，而門上可以加設一個小玻璃窗，其中玻璃應該選擇使用夾膠防火玻璃或者是五毫米厚的夾絲玻璃。當火災發生時，可以防止開口部的火災蔓延開來。此外，性能好的木材質和鋼材質的防火門同樣可以達到乙級防火門級別。

(2) Class B fireproof door: the high fire resistance limit is generally more than 1 hour, and the door panel material is also full steel plate, and a small glass window can be added to the door. The glass should be laminated fireproof glass or 5mm thick laminated glass. When a fire occurs, the fire at the opening can be prevented from spreading. In addition, fire doors made of wood and steel with good performance can also reach the level of Class B fire doors.

（3）丙級防火門：高可耐火極限一般在0.5小時以上，門板材質也是屬于全鋼板，門上可加設小玻璃窗，玻璃可選擇使用五毫米厚的夾絲玻璃，大多數的木質防火門都可以達到這個級別。

(3) Class C fireproof door: the fire resistance limit is generally more than 0.5 hours, and the door panel is also made of full steel plate. Small glass windows can be added to the door. The glass can choose to use 5mm thick wire glass. Most wooden fireproof doors can reach this level.

防火卷簾門廣泛應用于工業與民用建筑的防火隔斷區，能有效地阻止火勢蔓延，保障生命財產，是現代建筑中不可或缺的防火設施。更多相關問題或者需求就來咨詢我們//domachine.com.cn吧！

Fire-resistant rolling shutter doors are widely used in the fire compartment of industrial and civil buildings, which can effectively prevent the spread of fire and ensure the safety of life and property, and are indispensable fire prevention facilities in modern buildings. Consult us for more relevant questions or needs //domachine.com.cn Come on!