Overview
The Johnson Controls VG7251RT+3008D is a 1-1/2 inch pneumatic globe valve assembly designed to regulate the flow of hot water, chilled water, or steam in commercial HVAC systems. This two-way, normally open union globe valve features a standard threaded stem and comes factory-assembled with a V-3000-8011 pneumatic actuator to ensure precise flow control.
Features
- High-quality cast bronze body for robust construction and durability.
- Brass trim with an equal percentage flow characteristic for accurate throttling.
- Standard ring pack packings providing exceptional reliability and long operating life.
- Spring return mechanism ensuring a fail-safe position of normally open.
- Factory assembled with an exposed V-3000 pneumatic actuator.
Specifications
- Pipe Size: 1-1/2 inches (DN 40)
- Connection Type: Union Globe
- Flow Capacity: 28.9 Cv
- Body Pattern: 2-Way Normally Open
- Spring Range: 4 to 8 psig
- Actuator Type: Pneumatic
- Body Material: Cast Bronze
- Trim Material: Brass
- Medium Temperature Range: 35°F to 248°F (Water), up to 284°F at 35 psig (Steam)
- Pressure Rating: ANSI Class 250
Applications
- Designed primarily for environmental monitoring and flow control within commercial heating, ventilation, and air conditioning (HVAC) systems.
- Suitable for regulating media such as hot water, chilled water, glycol solutions up to 50%, and low-pressure saturated steam applications.


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