Fire doors have been used on a large scale in shopping malls or hospitals. Their good fire resistance has ensured people's safety. There are more and more fire doors on the market. What are the fire door requirements ? Today we will come together to understand the fire door size requirements !
Fire door size requirements 1 , the current market, fire doors A fire doors, Class B fire doors, and Class C fire doors, and the classification of the standard is its fire resistance. The fire-resistance limit of Class A fire doors is not less than 1.2 hours, and the safety factor is high. The fire-resistance limit of Class B fire doors is not less than 0.9 hours. The fire-resistance limit of Class C fire doors is not less than 0.6 hours. Fire doors are for the purpose of preventing fire from spreading. Class B fire doors are used to prevent the spread of fire. Class C fire doors prevent the spread of fire in a short time. In these grades, Xiao Bian still recommends that you use Class A fire doors. After all, it is fireproof. The effect is higher than other levels.
Fire door size requirements 2. In fact, the country has relaxed the size requirements for fire doors, and the fire limit requirements for fire doors are more stringent. However, in the general case, fireproof door drawings are generally marked with FM0615, FM0618, FM1018, FM1218, FM0921, FM1021, FM1221, FM1521, FM1821, FM2121, etc. If the height of the door is not higher than 2100mm, then it is standard. Fire door size.
Fire door size requirements 3 , the size of the current standard fire door has a range of width, width 1800mm * height within 2400mm can brush the fire door logo, which can also cover this range. The height of Class B fire doors can reach 2700mm, but there is one point. The net height of Class B fire doors is 2400mm.
Fire door size requirements 4 , there are standard size fire doors, but also non-standard fire doors, non-standard fire door size range is generally higher than the width of 1800mm * 2400mm high. In order to further standardize the dimensions of fire doors in mid-2013, the Fire Protection Department revised a provision on the production of fire doors. It was impossible to cover the size of previous gates that could be covered this year. It was simply a size and had a fire protection. The logo.
Regarding the fire door size requirement , I will introduce it to you here. I hope to help you, and I would like to look forward to more information on this site.
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