What are the dimensions of fire doors

2022-07-22
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Fire doors have been used on a large scale in large shopping malls or hospitals. Their good fire resistance ensures people's safety. There are more and more fire doors in the market. What are the size requirements of fire doors? Today, let's learn about the size requirements of fire doors

fire doors have been used on a large scale in large shopping malls or hospitals. Their good fire resistance ensures people's safety. There are more and more fire doors in the market. What are the size requirements of fire doors? Today, let's learn about the size requirements of fire doors

size requirements of fire doors 1. In the market today, fire doors are divided into class a fire doors, class B fire doors, and class C fire doors, and the standard of classification is its fire resistance limit. The fire resistance limit of class a fire door is not less than 1.2 hours, with a high safety factor, while the fire resistance limit of class B fire door is not less than 0.9 hours, and the fire resistance limit of class C fire door is not less than 0.6 hours. The purpose of class a fire door is to prevent the spread of fire, class B fire door is to prevent the spread of fire, and class C fire door is to prevent the spread of fire in a short time. In these grades, Xiaobian still recommends that you choose class a fire door, After all, its fire prevention effect is higher than other levels

size requirements of fire doors 2. In fact, the country has relaxed the size requirements of fire doors, and the fire endurance requirements of fire doors are more stringent. However, in general, the fire door drawing will be marked with fm0615, fm0618, fm1018, fm1218, fm0921, fm1021, fm1221, fm1521, fm1821, fm2121 and other words. If the height of the door is not higher than 2100mm, it is the standard size of the fire door

fire door size requirements 3. The current standard fire door size has a range range, and those with width of 1800mm * height of 2400mm can be painted with fire door signs, which can also cover this range. The height of class B fire door can reach 2700mm, but one thing is that the clear height of bright window door above class B fire door is 2400mm

size requirements of fire doors 4. There are fire doors of standard size, and there are also non-standard fire doors. The size range of non-standard fire doors is generally higher than 1800mm wide * 2400mm high. In the middle of 2013, in order to further regulate the size of fire doors, the Ministry of fire protection revised a regulation on the production of fire doors. For the previous size of doors that can be covered, this year can't be covered. In short, it is a size with a fire logo

as for the size requirements of fire doors, I will briefly introduce here. I hope it will be helpful to you. More decoration information is available. Please look forward to it

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