Changing the blade pitch (degree) alters the load on the motor

Safe Operation: Continuous flame monitoring with a high-speed response to flame loss helps prevent hazardous gas accumulation

Maintaining the gear and bearing interface is essential for preventing motor backlash and ensuring the reliable operation of the actuator train under varying thermal conditions

stainless steel core spring

Belimo AH-25 Crankarm 322838-754 Changing the blade pitch (degree)The Belimo AH 25 Crankarm is a heavy duty damper actuator accessory engineered specifically for one sided standard shaft clamps. This galvanized steel actuator arm is a critical component for field mounting non spring return actuators, providing a reliable mechanical linkage for ventilation and air conditioning systems. Designed for professional HVACR contractors, the AH 25 features a precise 8. 2 mm slot width and is fully compatible with the Belimo