Description
The Spartan Valves ME-7840B is a 24-volt spring return proportional actuator engineered for precise modulating control in commercial and industrial HVAC applications. Accepting a 0–10 VDC control signal, this actuator delivers smooth, proportional positioning to match system demand — making it an ideal choice for air handling units, VAV systems, damper assemblies, and hydronic valve control.
Key Features
- 24V AC/DC operating voltage for broad system compatibility
- Spring return (S/R) fail-safe operation — returns to a defined position on power loss
- 0–10 VDC proportional control signal for precise modulating performance
- Designed for reliable, repeatable positioning in demanding HVAC environments
- Compact, rugged construction suitable for commercial and light industrial installations
Application
The ME-7840B is well suited for use with zone valves, ball valves, butterfly valves, and damper assemblies where proportional control and fail-safe spring return are required. Its 0–10 VDC input integrates seamlessly with building automation systems (BAS), DDC controllers, and energy management systems.
Why Choose Spartan Valves
Spartan Valves is a trusted name in HVAC actuation, delivering dependable products built to perform in real-world mechanical systems. The ME-7840B combines fail-safe spring return reliability with proportional modulating accuracy — giving contractors and facility managers the control precision they need.
Specifications
- SKU: ME-7840B
- Brand: Spartan Valves
- Supply Voltage: 24V
- Actuator Type: Spring Return (S/R) Proportional
- Control Signal: 0–10 VDC







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