免费看国产黄_日本做aj的视频_又爽又骚无遮挡的网站_精品一级毛片国产_国产一区二区久久精品_日本欧美色图亚洲_影音先锋人妻啪啪av资源网站_黄网站色视频大全在线观看_日本在线中文字幕D√D_成人理伦电影在线观看一区

What are the key specifications for fireproof glass doors

2020-03-23 1572

Fireproof glass door is a widely equipped product in modern commercial construction. It has good transparent daylighting and fire resistance. It is used as an ordinary glass door in daily circumstances. Once a fire breaks out, it can effectively block the diffuse smoke, control the spread of the fire, and provide a valuable time for the escape from the fire and the development of remedial operations.

In the specification of fire door, glass door is listed as fire door of other materials. Its specification is different from wood and steel door, and has its own advantages. The product selects metal as the structural manufacturing profile, and the interior is inlaid with fire-proof glass. On the premise that the metal structure meets the fire resistance requirements, all fire-proof functions of the door body should be judged based on the stability and integrity of glass fire resistance.

The specification of fire-proof glass door shall list the thickness of structural manufacturing materials, process specifications, hardware equipment basis and glass characteristics, as well as the total fire resistance time, and the melting temperature of fire-proof hardware accessories shall not be lower than 950 ℃.

防火玻璃門

According to different manufacturing methods, fire-proof glass can be divided into thermal insulation type and non thermal insulation type. At present, the vast majority of glass fire doors are grouted fire-proof glass, which has good thermal insulation function, and the fire resistance time can reach 1.5 hours, which is satisfactory to the specification of fire-proof doors.

The door body structure is made of galvanized or stainless steel plate. The appearance can be treated by baking paint and electroplating process. It is beautiful and generous. The product specification is large, which can reach about 3M. It can also be spliced with the fireproof partition to achieve the combined function of door couplet window.

Article source: fireproof glass door http://hanzhicheng.cn/