Belimo FSTF120-S Actuator 322838-752 Whether you are servicing a

Whether you are servicing a 400 Series Ovenpak or a high-capacity APX system

This hermetic unit is pre-charged with Polyolester (POE) oil

the power element and spring rate in the VAL8611 are specifically designed for the pressure-temperature curve of R-22 refrigerant

Does this model include a return spring for power-loss scenarios

it meets strict safety standards for powering sensitive electronic modules

Belimo FSTF120-S Actuator 322838-752 Whether you are servicing aThe Belimo FSTF120 S Actuator is a critical safety component designed for fire and smoke damper applications in complex HVACR systems. Engineering to withstand extreme conditions, this spring return actuator is UL555 and UL555S listed, maintaining operation at temperatures up to 250F. As a 120v HVAC actuator, it provides reliable on off damper control with a nominal torque of 18 in lb, typically suitable for dampers up to 1. 5 sq. ft. This specific "