What are the characteristics and advantages of fabric air duct ventilation ducts? 1. Reduce leakage. The use of fabric air duct ventilation pipe device can effectively reduce the connection between pipes and pipes, and reduce the leakage of joints. Generally, the length of the fabric air duct is between 3-6 meters, and the typical rectangular pipeline is only 1 to 1.5 meters long; use a pipe to connect two fabric air ducts, and the traditional rectangular pipeline connection generally requires completely independent Double flange system. Product standardization. The production of spiral pipe fittings (fittings and joints) is highly automated, systematic and industrially controlled. Equipment costs are low. The installation time of the annular pipeline system is only 1/3 of the rectangular pipeline. 2. The installation space is very small. A 200mm diameter circular pipe can replace a 250x150mm rectangular pipe in the same equipment space without adding any pressure drop. Multiple parallel circular ducts can replace flat rectangular ducts without increasing equipment space. Combining various factors, in most cases, round tubes take up less space than rectangular tubes. When the pressure characteristics are the same, the installation space of several circular pipes is usually equal to or smaller than that of rectangular pipes. Many rectangular duct systems require four screw systems, so the duct adds 40 to 80 mm in all directions. 3. The occlusal fine forming process. The mold of the imported fabric air duct ventilation duct is made of special steel structure, even after three to five years of use, the shape of the restricted mold remains the same, so that the appearance of the galvanized steel sheet will not be damaged, and the appearance is greatly extended. The service life of the air duct is uniform and flat, the occlusion is tight, the connection force is strong, and the sealing performance is good. Safety valve leak prevention system. The exquisite spiral rib-limiting process makes the fabric air duct pipe have good compressive strength. After ribbing, the bite is four times the thickness of the pipe diameter. The stiffness of the pipeline is great, showing the superiority of reinforcement. Can withstand increased pressure loads without damage, reducing material thickness by 15%, thereby reducing costs.
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