What are the key points for the installation of spiral fabric duct ventilation ducts?

What are the key points for the installation of spiral fabric duct ventilation ducts? Fabric duct ventilation duct manufacturers answer for you! The installation of spiral fabric air duct ventilation duct is a very important part of ventilation and air conditioning engineering, and the installation of fabric air duct ventilation duct is very important. In this regard, it is necessary to master the technical performance of the multi-functional muffler pipe, be familiar with the construction drawings, understand the relevant conditions of civil engineering and other professional types of work, and verify whether the elevation, axis, reserved holes, and embedded parts of the pipeline system meet the installation conditions. . Prepare various auxiliary materials for installation, prepare for the installation of hoisting equipment and other tools, and prepare for the marking and positioning of the pipeline system. Fabric air duct ventilation duct air duct group pairing: send the finished product or prefabricated part to the installation site, check and review according to the actual situation, and then arrange according to the number. Team-to-team work. The connection between each section of the air duct adopts flange connection, the interface should be tight, and there is no air leakage. According to the specific conditions of the building, the wall thickness of the air duct, the hoisting method, the configuration of the hoisting equipment, etc., determine the length of the hoisting air duct at one time, taking the flanges at both ends as the benchmark, the flanges at both ends as the midpoint, and the flanges at both ends as the center Point, the two flanges are positive, the two flanges are positive, the two flanges are positive, the two flanges are positive, the two flanges are positive, the two flanges are positive, the two flanges are positive , two flanges are positive, two flanges are positive, two flanges are positive, and two flanges are positive. When lifting, first try to lift, when it is 200-300 mm from the ground, stop lifting, check the spreader again, and continue to lift to the required height after confirming that it is correct. After the air duct is fixed on the support and hanger, the rope can be loosened first, and then the hoisting tool can be disassembled. By leveling and aligning, the horizontal main pipe is fixed on the support and hanger, and then the support and hanger can be installed. Before installing the horizontal main pipe, the riser can be installed first, the distance between the supports is not more than 4 meters, and there are not less than 2 fixing parts for each riser. For horizontal installation of air ducts, the horizontal allowable deviation per meter is not more than 3 mm, and the total deviation is not more than 20 mm. For vertical installation of air ducts, the vertical allowable deviation per meter is not more than 2 mm, and the total deviation is not more than 20 mm.

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