How to identify different levels of fire doors? The difference in appearance of different levels of fire doors is not obvious and difficult to distinguish, but as engineering practitioners, we need to learn to judge. There are three common methods to distinguish the grade of fire doors on site. A,... READ MORE
How to classify fire doors based on their fire resistance performance？Fire doors are classified into heat-insulated/partially heat-insulated/non-heat-insulated fire doors according to their fire resistance. The fire doors we usually refer to are all heat-insulated fire doors, which are classified in... READ MORE
Access panels are generally used in construction projects worldwide, but there may be variations in their prevalence and usage in different countries or regions. While it is challenging to provide an exhaustive list of countries where access panels are not commonly used, there are a few factors that... READ MORE
Yes, access panels are popular and widely used in buildings and structures around the world. They are an essential component in commercial, residential, and industrial settings where there is a need for easy and convenient access to concealed areas. Access panels offer several advantages, which cont... READ MORE
Usually, the Access Panel is used for the opening part of the maintenance equipment and does not have maintenance function itself. However, if the Access Panel is damaged or aged, it can be replaced or repaired in a timely manner to ensure the normal use of the maintenance port. Suggest consulting p... READ MORE
Here are some methods for winter maintenance of inspection ports: Cleaning the maintenance port: In winter, high air humidity can easily cause fogging and frosting at the maintenance port. It is recommended to regularly clean the maintenance port and keep it clean. Strengthen maintenance: The insp... READ MORE
Application of elephant trunk lock in access panel：Elephant trunk lock: Simple installation, smooth fit and low cost. When the access panel is opened to the above figure, press the hook "safety button" inward, and all the safety buttons in the access panel can be opened. Effect: The manhole in the c... READ MORE
The aluminum alloy access panel is of good quality, made of aluminum alloy, light weight, strong bearing capacity, no rust and no deformation. Arbitrary, any size can be customized for production, without expensive grinding tools and quantity restrictions, such as triangles and polygons. Anti-mildew... READ MORE
Fire locks need to meet the following technical requirements: 1. The firmness, flexibility and appearance quality of the fire lock shall comply with the provisions of QB/T 2474. 2. The fire-resistant time of the fire lock shall not be less than the fire-resistant time of the fire door installed an... READ MORE
The ceiling access panel is an important tool for maintaining and inspecting the internal equipment of the ceiling. Its setting should be reasonable, standardized, and convenient for personnel to enter and exit, while paying attention to the selection of materials and manufacturing processes. READ MORE
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