Description
The Johnson Controls VG7842ET+3008E is a complete 3-way mixing valve assembly engineered for precise hydronic flow control in commercial HVAC and building automation systems. Combining a cast bronze valve body with brass trim and a spring return exposed pneumatic actuator, this pre-assembled unit delivers reliable, repeatable performance in demanding heating and cooling applications.
Valve Body Features
- 3-way mixing configuration for blending or diverting fluid streams
- 1/2″ NPT end connections for straightforward pipe integration
- 1.8 Cv flow coefficient with linear flow characteristic for accurate, proportional control
- Cast bronze body construction for corrosion resistance and long service life
- Brass trim components for durability in hydronic and HVAC water systems
Pneumatic Actuator Features
- Spring return exposed pneumatic actuator for fail-safe operation on loss of air signal
- 9–13 PSI spring range for compatibility with standard pneumatic control systems
- Exposed actuator design simplifies field inspection and maintenance
- Factory-mounted to the valve body as a complete, ready-to-install assembly
Applications
- Hydronic heating and cooling coil control
- Building automation and DDC/pneumatic control systems
- Fan coil units, air handling units, and terminal equipment
- Mixing or diverting service in commercial HVAC piping systems
Specifications
- SKU: VG7842ET+3008E
- Brand: Johnson Controls
- Valve Type: 3-Way Mixing
- Connection Size: 1/2″ NPT
- Flow Coefficient (Cv): 1.8
- Flow Characteristic: Linear
- Body Material: Cast Bronze
- Trim Material: Brass
- Actuator Type: Spring Return Exposed Pneumatic
- Spring Range: 9–13 PSI
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