The 63JM/20/4/6/36-deg long cased axial fan is a 4‑pole, 3‑phase ventilation unit designed for dependable performance in industrial and commercial environments. Its axial configuration supports efficient airflow through ducting and ventilation layouts, while the long case housing ensures stable installation and directed air movement. This fan is suitable for use in workshops, production areas, plant rooms, and other spaces where reliable ventilation is required. Built for continuous duty, it provides consistent airflow and dependable operation for extraction, circulation, and general ventilation needs.