Description
The Belimo NKRQX24-MFT is a non-spring return, modulating rotary actuator engineered for demanding commercial and industrial HVAC valve control applications. Powered by 24 VAC/DC and delivering 54 in-lb (6 Nm) of torque, this actuator provides smooth, precise positioning for two-way and three-way ball valves in hydronic heating, cooling, and process systems.
Key Features
- 24 VAC/DC power supply for broad compatibility with building automation and control systems
- 54 in-lb (6 Nm) rated torque output for reliable valve actuation
- Modulating (MFT – Multi-Function Technology) control for flexible signal input configuration
- Non-spring return design — maintains last position on power loss
- Manual override for easy commissioning and maintenance without power
- Compact, rugged housing designed for long service life in commercial HVAC environments
- Belimo’s proven direct-coupled design — no crank arms, levers, or linkages required
MFT (Multi-Function Technology) Control
The MFT control input allows field configuration of the control signal type and range, providing maximum flexibility for integration with a wide variety of building automation systems (BAS) and direct digital controls (DDC). Signal options typically include 0–10 VDC, 2–10 VDC, 4–20 mA, and other configurable ranges.
Typical Applications
- Hydronic heating and cooling coil control
- Chilled water and hot water valve actuation
- Fan coil units and air handling units (AHUs)
- Variable air volume (VAV) and building automation systems
- Commercial and light industrial process control
Why Choose Belimo?
Belimo is the global leader in actuator and valve solutions for HVAC applications. The NKRQX24-MFT combines Belimo’s industry-leading reliability with field-configurable versatility, making it the preferred choice of mechanical contractors, controls technicians, and building automation professionals worldwide.
Specifications
- SKU: NKRQX24-MFT
- Brand: Belimo
- Supply Voltage: 24 VAC/DC
- Torque: 54 in-lb
- Control Type: Modulating (MFT – Multi-Function Technology)
- Spring Return: No (Non-Spring Return)
- Manual Override: Yes
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