Description
The Johnson Controls VG1245AD+923GGA is a fully assembled, two-way normally open control valve paired with a spring return actuator, engineered for precise hydronic flow control in commercial HVAC and building automation applications. The assembly features an equal percentage flow characteristic that delivers consistent, stable modulation across a wide range of system conditions.
Valve Body Features
- Two-way, normally open configuration
- 1/2″ NPT end connections for easy installation
- 1.2 Cv flow coefficient for accurate flow sizing
- Equal percentage flow characteristic for stable modulation
- Forged brass body for durability and corrosion resistance
- Stainless steel trim for long service life and reliable seating
Actuator Features
- Spring return actuator for fail-safe normally open operation
- Control signal inputs: 0–10 Vdc and 2–10 Vdc
- 4–20 mA input supported via included 500-ohm resistor
- Power supply: 24 Vac / 24 Vdc
Applications
- Commercial HVAC hydronic heating and cooling systems
- Building automation and direct digital control (DDC) systems
- Fan coil units, air handling units, and heat exchangers
- Systems requiring fail-safe normally open valve positioning
Why Choose the Johnson Controls VG1245AD+923GGA?
This pre-assembled valve and actuator combination simplifies installation and reduces commissioning time. The forged brass body and stainless steel trim ensure long-term reliability in demanding hydronic environments, while the multi-signal actuator offers flexible integration with a wide range of building automation controllers.
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