This blog explores the full range of Belimo Special Actuators, designed for demanding HVAC and industrial applications where speed, torque, or environmental resistance is critical. It covers Fast Running Rotary, Very Fast Running Rotary, Very Fast Running Linear, RobustLine, IP66/67 NEMA 4X, and High Torque Rotary models—highlighting specifications, damper capacities, and ideal use cases. From laboratories and data centres to marine, food processing, and industrial plants, the article shows how Belimo delivers reliable, high-performance actuation in challenging environments.