Belimo KH-TF Crankarm

The Belimo KH-TF Crankarm is a critical mechanical accessory designed for high-precision damper linkage applications where the actuator cannot be direct-coupled to the shaft. Engineered specifically for the Belimo TF series actuators, this crankarm features a 5/16" slot to ensure a secure, slip-free connection for remote mounting configurations. For the veteran technician, this component is the go-to solution for retrofit HVAC projects where space constraints or non-standard shaft lengths prevent standard installation. This TF series crankarm is built to withstand the torque requirements of spring-return systems, maintaining actuator-to-damper alignment across the full 90-degree stroke to prevent mechanical binding and premature component wear.

When utilizing the KH-TF US crankarm, it is essential to pair it with compatible ball joints and crankarm adaptor kits such as the ZG-TF2. This setup allows for seamless integration into existing damper manual hardware setups, facilitating efficient damper actuator installation in tight mechanical closets or internal duct mounts. By ensuring a robust HVAC mechanical linkage, you minimize control signal hysteresis and maximize the response accuracy of the terminal unit. This professional-grade damper link accessory is manufactured to exacting tolerances, providing the reliability required for safety-critical airflow control in commercial and industrial environments.

• Specifically engineered for Belimo TF actuators to ensure a perfect mechanical fit and drive transfer.
• The 5/16" slot width provides a secure attachment point for standard crankarm linkage rods.
• Facilitates remote mounting for dampers with limited shaft accessibility or internal duct placement.
• Rugged construction supports the rigorous actuator torque of spring-return fail-safe operations.
• Essential for HVAC retrofitting when converting direct-drive systems to linkage-based configurations.

Which actuators are compatible with the KH-TF?
This crankarm is designed specifically for use with the Belimo TF series, including TFB and TFX models.

What size linkage rod does this crankarm accept?
The Belimo KH-TF US features a 5/16" slot, making it compatible with standard 5/16" diameter linkage hardware and ball joints.

Can this be used for internal duct mounting?
Yes, when used with the appropriate mounting bracket, this crankarm is suitable for both internal and external duct mounting where direct coupling is not feasible.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.