Description
The Belimo ZDB-TF is an angle of rotation limiter designed specifically for use with Belimo’s TF series actuators. This precision accessory allows HVAC technicians and controls contractors to mechanically restrict the rotational travel of the actuator, ensuring dampers or valves operate only within a defined range of motion.
Key Features
- Designed as a direct accessory for Belimo TF series actuators
- Mechanically limits the angle of rotation to a user-defined range
- Prevents over-travel, protecting damper blades and valve seats from damage
- Enables precise calibration of airflow or fluid control in HVAC systems
- Rugged construction for long-term reliability in commercial and industrial applications
- Simple field installation — no special tools required
Applications
- VAV and constant-volume air handling systems
- Damper actuator installations requiring limited stroke
- Commercial HVAC building automation and controls
- Retrofit and new-construction projects using Belimo TF actuators
Why Choose the Belimo ZDB-TF?
When system design requires an actuator to operate within a specific angular range — rather than its full stroke — the ZDB-TF delivers a clean, mechanical solution without the need for additional programming or electronic adjustments. By physically limiting rotation, it reduces wear on connected components and ensures repeatable, consistent performance over the life of the installation. As a genuine Belimo accessory, it is engineered to integrate seamlessly with TF series actuators for a reliable, manufacturer-approved fit.
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