Overview
The Johnson Controls VA9104-AGA-3S is a direct-coupled, non-spring return electric valve actuator designed to provide precise two-position and floating control for ball valves in commercial HVAC systems. This synchronous motor-driven actuator ensures accurate positioning and maintains its last position upon a loss of power.
Features
- Non-spring return design preserves valve positioning during power interruptions
- Integrated manual override handle enables manual adjustment during commissioning or power outages
- Screw terminal block provides secure, vibration-resistant field wiring connections
- Synchronous motor delivers a constant rotation speed independent of the system load
- Direct coupled mounting allows for fast, tool-free installation on compatible valves
Specifications
- Supply Voltage: 24 VAC, 50/60 Hz
- Control Input: Two-Position and Floating without timeout
- Output Torque: 35 lb-in (4 N-m)
- Full Stroke Travel Time: 60 seconds at 60 Hz (72 seconds at 50 Hz)
- Enclosure Rating: NEMA 2
- Ambient Temperature Range: -4 to 140 degrees Fahrenheit
Applications
- Engineered for accurate modulation and control of Johnson Controls VG1000 Series ball valves
- Ideal for hydronic heating and cooling applications, such as chilled and hot water coil control
- Suitable for integration within commercial HVAC systems and building automation setups



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