Description
Johnson Controls VG1245AB+9A4GGA Overview
The Johnson Controls VG1245AB+9A4GGA is a complete 2-way valve and actuator assembly engineered for precise hydronic and HVAC system flow control. Featuring a 1/2″ NPT connection with a stainless steel ball and seat, this assembly delivers reliable shutoff and modulating performance in a compact, ready-to-install package.
Key Features
- 2-way (2W) valve configuration for on/off or modulating flow control
- 1/2″ NPT threaded connections for straightforward installation
- Stainless steel (SS) ball and seat construction for corrosion resistance and long service life
- Flow coefficient (Cv) of 0.50 for precise, low-flow hydronic applications
- Integrated actuator assembly (9A4GGA) — valve and actuator shipped as a matched, factory-assembled unit
- Johnson Controls VG Series design ensures compatibility with building automation and HVAC control systems
Typical Applications
- Fan coil units and air handling units
- Hydronic heating and cooling coil control
- Building automation system (BAS) valve control loops
- Terminal unit flow regulation
Why Choose the VG1245AB+9A4GGA
The factory-matched valve and actuator combination eliminates field assembly guesswork and ensures optimal performance from day one. The stainless steel internals resist corrosion in both heating and cooling water systems, while the low Cv rating makes this assembly ideal for precise flow control in smaller terminal equipment. As a Johnson Controls VG Series product, it integrates seamlessly into Metasys and other BAS environments.
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