Negative-pressure Swung Drop Hammer Weight Ventilation Fan

Hammer balance type exhaust fan  1. Introduction    Hammer balance type exhaust fan is special designed with a swung drop hammer system, which ensure the shutters opening and closing flexibly. Heavy hammer weight balance fan with low noise, air volume, high efficiency, is widely used in livestock farms, agricultural greenhouses, industrial plants and other places, to solve the problem of ventilation cooling and dust removal. 2. Parameters    Swing hammer ventilation fan has 7 models. The following is its parameter table. 3. Detailed description & Our advantages Kunzheng  cooling fan focus on creating every exquisite detail, we have ten years of experience in production, and we have selected many of the best raw materials manufacturers to provide you with the most satisfactory products. (1) Using high strength nylon swung drop hammer opening device to insure the lowest air resistance and biggest air volume. When close, the sealing can effectively block light and wind into the poul…

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