Neptronic U&W Actuator Series
U&W Actuator Series
Engineered for precise control
in demanding HVAC applications
What do U&W actuators offer in HVAC systems?
The Neptronic U&W Actuator Series deliver dependable performance across a wide range of commercial and industrial HVAC applications. Designed to handle high torque requirements, these actuators provide accurate positioning for large dampers, 1/4-turn valves, fan inlet guide vanes, and air handling components.
With robust construction suited for harsh operating environments, flexible control inputs, and enhanced integration capabilities, the U&W Series offer both versatility and long-term reliability. Whether you’re specifying new systems or upgrading existing installations, the U&W series ensure smooth, efficient, and precise operation where it matters most.
Perfectly suited for air handling units (AHUs), VAV/pressure control systems, industrial ventilation, and energy-efficient building automation, the U&W Series help optimize airflow, control energy usage, and maintain environmental comfort.
What makes U&W actuators reliable for various applications?
High Torque Performance
Delivering up to 4000 in-lb (450 Nm) of torque (model dependent), the U&W Series is built to handle large dampers and demanding valve applications with reliable, consistent force.
Flexible Control Integration
Compatible with standard HVAC control signals including 0–10 V and 4–20 mA, these actuators integrate easily with modern BMS and building automation systems.
Easy Installation
Multiple mounting options and adaptable configurations simplify installation across a wide range of air handling and mechanical applications.
Fail-Safe & Feedback Options
Available fail-safe models and position feedback capabilities enhance safety and control precision.
Technical Highlights
| Feature | Specification |
| Torque Range | Up to 4000 in-lb (450 Nm) – Model dependent |
| Control Signals Supported | Analog (e.g., 0–10 V / 4–20 mA), Multi-Signal, Optional Digital |
| Fail-Safe Option | Available on selected models |
| Housing Type | Rugged, Weather-tight (suitable for commercial environments) |
| Mounting Flexibility | Multiple mounting configurations |
| Auxiliary Switches | Available on select models for position indication |
| Power Supply Options | 24 Vac / 30 Vdc / 120 Vac / 240 Vac (dependent on model) |
| Position Feedback | Potentiometer or optional sensor feedback |
| Operating Temperature Range | Designed for HVAC ambient conditions (refer to product datasheet) |
| Integration | -Compatible with standard HVAC control systems |
Frequently Asked Questions
What is the Neptronic U & W actuator series?
The Neptronic U & W actuator series is a range of high-torque HVAC actuators designed for large dampers, quarter-turn valves, fan inlet guide vanes, air-handling units, and demanding commercial or industrial HVAC applications.
Where are U & W actuators used?
U & W actuators are used in air-handling units, large ventilation dampers, VAV and pressure control systems, industrial ventilation systems, and building automation applications that require precise high-torque actuation.
What torque range is available for U & W actuators?
The U & W actuator series provides torque ratings up to 4000 in-lb, or approximately 450 Nm, depending on the selected model.
What control signals do U & W actuators support?
U & W actuators support common HVAC control signals, including 0–10 VDC, 4–20 mA, multi-signal options, and optional digital control depending on the model.
Are fail-safe and feedback options available?
Yes. Select U & W actuator models are available with fail-safe operation, position feedback, and auxiliary switches for improved safety, monitoring, and control precision.
How do I choose the right U & W actuator?
To choose the right U & W actuator, confirm the required torque, control signal, power supply, fail-safe requirement, feedback needs, mounting configuration, and whether the actuator will control a damper, valve, inlet guide vane, or other HVAC component.
Contact
Head Office
National Environmental Products Ltd.
Neptronic
400 Boulevard Lebeau
Montréal (Québec) H4N 1R6 Canada
E-mail: contact@neptronic.com
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