Description
The Johnson Controls VG7842LT+3008E is a complete 3-way mixing valve assembly engineered for precise hydronic flow control in commercial HVAC and building automation systems. The assembly pairs a cast bronze valve body with brass trim with a spring return exposed pneumatic actuator, delivering reliable, fail-safe modulation of heating and cooling media.
Valve Body Features
- 3-way mixing configuration for blending or diverting fluid flow
- 3/4″ NPT end connections for straightforward pipe installation
- 7.3 Cv flow coefficient with linear flow characteristic for accurate, proportional control
- Cast bronze body construction for excellent corrosion resistance and long service life
- Brass trim components for durability in hydronic applications
Pneumatic Actuator Features
- Spring return design provides fail-safe operation on loss of air signal
- Exposed pneumatic actuator for easy field inspection and maintenance
- 9–13 PSI spring range for compatibility with standard pneumatic control systems
- Factory-mounted and tested as a complete valve/actuator assembly
Applications
- Hydronic heating and cooling coil control
- Commercial HVAC air handling units
- Pneumatic building automation and DDC systems
- Fan coil units and terminal equipment
Why Choose the VG7842LT+3008E?
Delivered as a pre-assembled, factory-matched valve and actuator combination, the VG7842LT+3008E simplifies installation and ensures optimal performance from day one. The linear flow characteristic allows for smooth, stable control across the full stroke, while the spring return actuator guarantees a defined fail position whenever pneumatic pressure is removed — a critical safety feature for occupied buildings. The robust cast bronze body and brass trim are well-suited for the demands of commercial hydronic systems, offering years of dependable service with minimal maintenance.
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