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    發布人:http://www.kdxdz.com   發布時間:2022-11-17 19:52:03


    The length of spiral air duct is better than that of rectangular air duct: this is because the normal length of ordinary spiral air duct is 3 to 6 meters, while that of rectangular air duct is 1 to 1.5 meters. In addition, the length of spiral air duct can also be customized according to specific needs. From other aspects, the connection points in spiral air duct can be eliminated to a large extent. Because the connection between air ducts only uses pipe connectors, The rectangular air duct requires double flange system.


    1. The longitudinal joint shall be avoided as far as possible during the processing of the ventilation pipe, but the transverse joint shall not be allowed. Moreover, the seaming seams and the four corners of the ventilation pipe shall be sealed with sealant according to the design cleanliness level requirements. In addition, the sealing surface of the joint of the ventilation duct plate should be set at the positive pressure side of the ventilation duct wall.


    Galvanized spiral air duct


    2. During processing, reinforcing frames or reinforcements cannot be set inside the ventilation ducts, because this will have a certain impact on the quality of the ventilation ducts.



    3. The connection mode of S-shaped and C-shaped right angle inserts cannot be used for the processing of ventilation ducts. In addition, snap joint cannot be used for some special ventilation ducts.


    4. After the fabrication of the ventilation pipe, it shall be cleaned with cleaning solution. Only when the cleaning standard is met, can it be sealed in time.


    5. When the end of the fiberglass composite board air duct is the cutting surface, the cut surface of the duct end should be sealed with tape or glue before assembling the flange connector to prevent the fiberglass from being exposed and flying


    The above is a detailed introduction to Jinan Air Duct Processing Factory, and I hope it will be helpful to you. If you have any questions, please contact us. We will provide services for you with our attitude http://www.kdxdz.com


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