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EnglishWhat are the key points of construction for fireproof glass doors
Construction requirements of fireproof glass door
(1) fire doors are divided into two types: wooden and steel. The products must meet the fire performance required by the planning, and the production unit products with production license must be approved by the industrial safety department.
All metal components shall be arc welded, and the weld shall be free of defects such as unmelted, incomplete penetration, porosity, crack and burn through. After the steel framework is straight, it shall conform to the standard regulations, the products shall have factory certificate, and check with the drawings to see whether it conforms to the planning regulations.
(2) the fire door device shall be flush with the wall in the opening direction of the door leaf.
(3) the installation of wooden fireproof door frame and leaf is the same as that of wooden door frame and leaf.
(4) the fireproof door shall be about 20mm smaller than the opening size of the device. The door frame shall be firmly connected with the wall body. The open space shall be filled with heat-resistant materials. The device shall be flat and straight to prevent sawing. If there is unavoidable sawing, the sawing surface shall be coated with fireproof paint for one time. After the hardware part of the device is cut, the cutting part shall be coated with fireproof paint for one time. The expansion bolt shall be used for the connection between the fireproof door and the wall. If wood brick is used, fireproof treatment shall be carried out, Fire doors shall be equipped with door closers.
(5) when the fireproof door leaf of reinforced concrete door frame is installed in the cutting opening of door frame, the gap between the leaf and the frame shall be adjusted to make the door leaf straight. The upper and lower door shafts shall be on the same vertical line. When they are firmly welded with the embedded iron of the door frame, the position shall be calibrated to prevent displacement and deformation. The position of the upper and lower pins, latches and handles shall be, and then welded firmly after trial assembly. After the completion of the device, conduct repeated opening and closing tests. After passing the inspection, paint the door frame and apply fireproof paint on hardware parts.
Article source: fireproof glass door http://www.twqwq.cn/
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