Danfoss 065F-8952 Motor

The Danfoss 065F-8952 is a high-torque ESBE 91EM Series actuator, engineered for high-precision 24V floating control of rotary mixing and diverting valves. As a veteran technician knows, the "91M" designation translates to a robust 91 Nm maximum torque delivery, providing a significant performance overhead compared to standard consumer-grade motors. This 3-point signal actuator is purpose-built to automate ESBE 3-way and 4-way rotary valves ranging from 1/2" up to 6" in size, making it a versatile drop-in solution for large-scale hydronic heating and cooling loops.

Featuring a rapid 12-second actuation time (90° rotation), this motor ensures near-instantaneous response to temperature adjustments within the primary loop. The direct-mount design simplifies integration with existing iron or brass valve bodies, while the internal adjustable cams allow for custom rotation ranges between 30° and 180°. For manual system balancing or emergency maintenance, the easy manual override allows for seamless mechanical positioning without disconnecting the drive. The Series 90 architecture is a standard in professional mechanical rooms for its reliability in high-cycle environments.

• High Torque Delivery: Equipped with a 91 Nm rating to ensure smooth operation on larger valve bodies without stalling.
• Optimized Response: The 12-second 90-degree run time minimizes thermal lag in sensitive hydronic stages.
• Flexible Configuration: Mechanical cams allow field-adjustable rotation limits from 30° to 180° for custom applications.
• Contractor-Focused Setup: Direct-mount compatibility eliminates the need for complex linkage kits on standard ESBE valves.
• Operational Feedback: Integrated auxiliary switch capability provides an additional contact for status monitoring or interlock wiring.

Is the Danfoss 065F-8952 compatible with non-ESBE valves?
While designed for native fitment on ESBE 3-way/4-way bodies, specialized linkage kits are available for adapting this motor to Centra, Honeywell, and TA VTR valve styles.

Can I use this for proportional 0-10V control?
No, this specific model (91EM) is a 3-point floating (on/off/floating) actuator. For proportional modulation, a 92P or similar Series 90 proportional unit is required.

What happens during a power failure?
This is a non-spring return motor. It will remain in its last position until power is restored or the manual override is engaged.

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.