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Galvanized Negative Pressure Fan Performance Features

The unique sliding louver mechanism allows for automatic opening and closing of the louver blades.;Stainless steel fan blades are precision-formed without deformation or cracking, ensuring aesthetics, durability, and high-precision dynamic balance testing and correction. This guarantees the fan operates smoothly with no vibration, reduces noise, and effectively extends service life.:Utilizing a unique recessed handle design for fan handling, it not only effectively avoids inconvenience during loading, unloading, and transportation but also does not affect the installation and aesthetic appearance of the fan.;Mechanical centrifugal opening mechanism features high-tensile reinforced nylon. Raw material injection molding processing, high strength, long lifespan。The steel components embedded in the guide rod are mounted on the impeller, enhancing the reliability of the mechanism and effectively preventing the expansion and contraction variations in the nylon production process.