Equipped with a powerful copper motor and high-precision bearings for effective rotor rotation. Ensures smooth operation, time savings, improved work efficiency, and reduced environmental pollution.Introducing our regenerative fan, expertly crafted with a robust dual-function blowing and suction mechanism. Made from a single piece of aviation-grade aluminum, this fan is fireproof and highly resistant to high temperatures, ensuring excellent heat dissipation. It is powered by a high-performance copper core motor and features a double-sided all-aluminum impeller, facilitating efficient centrifugal air circulation that minimizes vibration and enhances overall operation efficiency. Key Features: 1. Durable Construction: The sturdy one-piece aviation aluminum shell features a double-sided all-aluminum impeller that is fireproof and effectively dissipates heat. 2. High Performance: The powerful copper core motor, paired with fully sealed steel bearings, guarantees efficient air circulation without stagnation, delivering high wind pressure and rapid airflow. 3. Thoughtful Design: Incorporating a silencer sponge within the air duct, the dual-purpose design includes dust filters at both the air inlet and outlet to maintain optimal performance. Specifications: - Number of Phases: Single Phase - Speed: 2980 rpm/min - Operating Temperature: -40℃ to 40℃ - Inlet Temperature: -40℃ to 80℃ - Power Options: 120W, 180W, 250W, 350W, 550W, 750W, 1100W - Maximum Wind Pressure: 7.5 kPa, 8.5 kPa, 9.5 kPa, 11 kPa, 14 kPa, 21 kPa, 24 kPa - Maximum Suction: 6.7 kPa, 7.6 kPa, 8.6 kPa, 10 kPa, 13 kPa, 20 kPa, 22 kPa - Maximum Ventilation Depth: 0.5 m, 0.6 m, 0.7 m, 0.8 m, 0.9 m, 1 m, 1.2 m Packing List: - 1 regeneration fan - 1 instruction manual