Description
The Johnson Controls VG7842NT+3008E is a fully assembled 3-way mixing valve engineered for precise hydronic flow control in commercial HVAC and building automation systems. Combining the VG7842NT valve body with the 3008E spring-return exposed pneumatic actuator, this factory-matched assembly delivers reliable, repeatable performance right out of the box.
Valve Body Features
- Configuration: 3-way mixing valve
- Port size: 1″ NPT connections
- Flow coefficient: 11.6 Cv
- Flow characteristic: Linear
- Body material: Cast bronze for superior corrosion resistance and long service life
- Trim material: Brass for durability and reliable sealing
Pneumatic Actuator Features
- Actuator type: Spring-return, exposed pneumatic
- Spring range: 9–13 PSI
- Fail-safe operation: Spring return ensures valve returns to a defined position on loss of air supply
- Exposed actuator design allows for easy field inspection and maintenance
System Benefits
- Factory-assembled and matched valve-actuator combination reduces installation time and ensures compatibility
- Linear flow characteristic supports accurate proportional control in pneumatic BAS/DDC systems
- Cast bronze body withstands the demands of hydronic heating and cooling applications
- Spring-return fail-safe action protects system integrity during air supply interruptions
- Suitable for use with hot water, chilled water, and mixed-media hydronic systems
Typical Applications
- Commercial hydronic heating and cooling coil control
- Air handling unit (AHU) heating and cooling coils
- Fan coil unit (FCU) water-side control
- Building automation and pneumatic control systems
The VG7842NT+3008E is a trusted Johnson Controls solution for engineers and contractors who require dependable, long-lasting valve performance in pneumatically controlled HVAC environments.
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