Description
The Johnson Controls VA-4233-GGC-2 is a spring return, stem-up direct coupled globe valve actuator engineered for precise proportional control in commercial HVAC and building automation applications. Designed to deliver reliable, repeatable valve positioning, this actuator integrates seamlessly into a wide range of hydronic heating and cooling systems.
Power & Control Signal
- Supply voltage: 24 Vac / 24 Vdc
- Control mode: Proportional (switch selectable)
- Compatible input signals: 0–10 Vdc, 2–10 Vdc, 6–9 Vdc, and (0)4–20 mA
- Switch-selectable signal range for flexible system integration
Mechanical Performance
- Minimum torque output: 61 lb-in
- Travel time: 76 seconds (full stroke)
- Maximum stroke: 29/32 inch
- Spring return operation ensures fail-safe positioning on power loss
- Stem-up direct coupled design for straightforward globe valve mounting
Wiring & Connectivity
- 48-inch cable with wire leads for easy field termination
- No additional adapter required for direct coupling
Key Features & Benefits
- Proportional control with switch-selectable signal inputs supports diverse BAS and DDC system requirements
- Spring return mechanism provides fail-safe, stem-up positioning during power interruptions
- Robust 61 lb-in minimum torque ensures positive valve seating under system pressure
- 76-second travel time allows smooth, stable modulation to minimize system shock
- 29/32-inch maximum stroke accommodates a broad range of compatible globe valve bodies
- Long 48-inch wiring lead simplifies installation in tight or remote mounting locations
- Direct coupled design eliminates mechanical linkages, reducing maintenance and improving reliability
- Dual voltage compatibility (24 Vac / 24 Vdc) provides installation flexibility
Typical Applications
- Hydronic heating and cooling coil control
- Commercial building automation systems (BAS/DDC)
- Fan coil unit valve control
- Air handling unit heating and cooling valves
- Variable flow hydronic systems
Reviews
There are no reviews yet.