Description
The Johnson Controls VA-4233-GGA-2 is a professional-grade, spring return, direct coupled globe valve actuator engineered for precise proportional control in commercial HVAC hydronic and building automation systems. Designed for dependable performance and flexible integration, this actuator delivers reliable valve positioning across a wide range of control signal types — all switch selectable for maximum installation convenience.
Power & Control Signal
- Supply Voltage: 24 Vac / 24 Vdc
- Control Mode: Proportional (Switch Selectable)
- Compatible Control Signals: 0–10 Vdc, 2–10 Vdc, 6–9 Vdc, 0–20 mA, 4–20 mA
Mechanical Performance
- Minimum Torque Output: 61 lb-in
- Travel Time: 76 seconds (full stroke)
- Maximum Stroke: 29/32 inch
- Fail-Safe Action: Spring Return — Stem Up
- Mounting: Direct Coupled
Wiring & Connectivity
- Cable Length: 48 inches
- Termination: Wire Leads
Key Features & Benefits
- Switch-selectable proportional control signals eliminate the need for field rewiring when changing signal types
- Spring return fail-safe design ensures the valve returns to the stem-up (open or closed, per valve configuration) position on power loss
- Direct coupled design simplifies installation and reduces mechanical linkage complexity
- 61 lb-in minimum torque provides robust actuation force suitable for commercial globe valve applications
- 76-second travel time enables smooth, stable modulation to minimize system hunting and water hammer
- 48-inch pre-wired cable with wire leads speeds up field termination
- Compatible with a broad range of BAS/DDC controllers and building automation systems
Typical Applications
- Chilled water and hot water coil control in AHUs and FCUs
- Hydronic heating and cooling systems
- Commercial building automation and DDC control systems
- Variable flow hydronic distribution systems
Reviews
There are no reviews yet.