Centrifugal Steam Air curtain: Equipped with a low-noise centrifugal double-suction fan, it offers high air pressure and excellent door sealing effects. The air heater utilizes 4-row seamless steel tubes and sine wave aluminum radiators, featuring high-pressure resistance, stable heat transfer, high heat transfer coefficient, small size, light weight, and long service life. The housing is made of galvanized aluminum plate, with a simple and smooth overall design, and is available in various colors for selection to maintain consistency with overall decoration. The door sealing height ranges from 3 to 6 meters, and the door sealing width can be freely combined, making it particularly suitable for use in shopping malls, office buildings, and high-end hotels.