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Specified length of duct flexible hose
Dec 12,2024
The length of duct flexible hose should generally be between 2-10 meters, and the specific length should be based on environmental requirements.
In addition, the length of flexible joints used in the connection between air ducts and ventilators should be 100-150mm or according to the design. For both sides of the duct crossing the wall of the structural deformation joint, the length of the flexible short pipe should also be 150-300mm or according to the design.
In practical application, the length limit of flexible ducts is also specified. According to the “Ventilation and Air Conditioning Engineering Construction Code” GB50738-2011, the length of expandable metal or non-metallic flexible duct is not easy to be greater than 2 meters.
For the installation of aluminum foil polyester film composite flexible duct for branch pipe, the length should be less than 2 meters, more than 2 meters can be installed in the middle of the position of not more than 600mm metal straight pipe section, the total length should not be greater than 5 meters.
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Mobile: +86-15358982735
Add: No.8 Chunhui Road, Dongting,
Xishan District, Wuxi City, Jiangsu Province
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