防火门的耐火时间有多久？

众所周知防火门的核心就是耐火时间，这儿的耐火时间是是指连着架构可以满足防火可靠性、完整性耐火性规定房门。防火门几防火等级分甲、乙、丙三级，今天济南防火卷帘门安装维修人员主要介绍一下防火门的要求及其耐火时间。

As is well known, the core of fire doors is fire resistance time, which refers to the fire resistance time of the door that can meet the fire reliability, integrity, and fire resistance requirements of the connected structure. The fire resistance rating of fire doors is divided into three levels: A, B, and C. Today, the installation and maintenance personnel in Jinan mainly introduce the requirements and fire resistance time of fire doors.

供综合脚手架档案资料、材料的电梯轿厢，其部位应邻近信息库，但需在防火门外;当设定竖直传输设备时，立井应封闭式，其排架结构应是耐火等级不小于2h的非燃烧体。

The elevator car for comprehensive scaffolding archives and materials should be located adjacent to the information library, but outside the fire door; When setting up vertical transmission equipment, the vertical shaft should be enclosed, and its rack structure should be a non combustible material with a fire resistance rating of not less than 2 hours.

工业厂房里的丙类液体正中间储存罐应设在独立屋子里，其容量不得大于1m4。设定该正中间储存罐房间，其围护结构构件耐火等级不得低于二级耐火等级建筑物的相对应规定，屋子房门应使用甲等防火门。

The intermediate storage tank for Class C liquid in industrial plants should be located in a separate room, with a capacity not exceeding 1m4. Set the middle storage tank room, and the fire resistance rating of its surrounding structural components shall not be lower than the corresponding provisions of the second level fire resistance rating building. The door of the room should use Class A fire doors.

防火系统分区至消防救援窗或壁不好走道入口应设前处理室，前处理室总面积不宜小于5m2;当与消防电梯间合用前室时，其总面积不宜小于9m2;前处理室房门应是甲等防火门。

A pre-treatment room should be set up from the partition of the fire protection system to the entrance of the fire rescue window or poorly walled walkway, with a total area of not less than 5m2; When sharing the front room with the fire elevator room, its total area should not be less than 9m2; The door of the pre-treatment room should be a Class A fireproof door.

应使用耐火等级不小于2h的隔断墙、耐火等级不少于1.50h的混凝土楼板和甲等防火门与其他部分分隔;2可汽柴油油浸变压器室通往配电间或变压器室中间房门应是甲等防火门。

Partition walls with a fire resistance rating of not less than 2 hours, concrete floors with a fire resistance rating of not less than 1.50 hours, and Class A fire doors should be used to separate them from other parts; The door from the gasoline and diesel oil immersed transformer room to the distribution room or the middle room of the transformer room should be a Class A fireproof door.

当锅炉间内设定储油间时，其总储藏量不得大于1.10m3，且储油间应使用防火墙与锅炉间分隔;当需要在防火墙上开门时，应设甲等防火门。

When an oil storage room is set up in the boiler room, its total storage capacity should not exceed 1.10m3, and the oil storage room should be separated from the boiler room by a firewall; When it is necessary to open doors on the firewall, Class A fire doors should be installed.

对防火门的相关规定还是比较严格，将防火门分成甲、乙二种，甲种防火门的耐火等级为1.51～2.10h。在我国甲等防火门耐火等级是1.5h，以火灾发生时避免扩张火灾事故为主要目的。

The relevant regulations for fire doors are still quite strict, and they are divided into two types: A and B. The fire resistance rating of type A fire doors is 1.51-2.10 hours. In China, the fire resistance rating of Class A fireproof doors is 1.5 hours, with the main purpose of avoiding expansion fire accidents in the event of a fire.

推荐还是选择高质量的防火门，不必贪便宜，以防对咱们造成不必要经济损失，在其中甲等防火门耐火时间比较长，可靠性也比较不错，非常推荐大家采购，欢迎咨询http://www.jnyuqilin.com。

It is recommended to choose high-quality fireproof doors instead of being too cheap to avoid unnecessary economic losses. Among them, Class A fireproof doors have a longer fire resistance time and good reliability. It is highly recommended for everyone to purchase and welcome inquiries http://www.jnyuqilin.com .