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VG7842NT+74CHGA
The VG7842NT+74CHGA from Johnson Controls is a three-way mixing control valve that features an integrated electric actuator. It has a nominal size of 1 inch (DN25) and is constructed from robust cast bronze, ensuring longevity in various applications.
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Technical specifications for VG7842NT+74CHGA
| Manufacturer | Johnson Controls |
|---|---|
| Product Type | Bronze control valve with electric actuator |
| Product Line | VG7000 Series |
| Part Number | VG7842NT+74CHGA |
| Valve Size | 1 in. (DN25) |
| Body Configuration | Three-Way Mixing |
| End Connection | Threaded (NPT) |
| Trim and Flow | Brass Trim, Linear Flow |
| Flow Coefficient (Cv) | 11.6 Cv |
| Actuator Model | VA7830-HGA-2 (Spring Return, Stem Down) |
| Control Signal | Floating/Proportional |
| Voltage Rating | 24 VAC |
| Input Voltage Frequency | 50/60 Hz |
| Actuator Torque | 180 lb-in |
| Maximum Closeoff Pressure | 63/68 psig (2 separate ports) |
| Enclosure Rating | IP54 |
| Body Material | Cast Bronze |
The VG7842NT+74CHGA is a bronze control valve with an electric actuator, part of the VG7000 series by Johnson Controls. This valve has a size of 1 inch (DN25) and weighs approximately 7.2 lbs, making it suitable for compact installations. Its three-way mixing configuration allows for efficient control of fluid flow.
The valve is designed with threaded NPT connections for ease of installation. It is constructed from cast bronze, providing corrosion resistance and durability in demanding environments. The system utilizes brass trim to enable linear flow characteristics, ensuring a consistent performance across various applications.
The actuator is modeled VA7830-HGA-2, featuring spring return functionality with a downward stem orientation. It is rated for 24 VAC operation at a frequency of 50/60 Hz. The actuator can deliver a torque of 180 lb-in, which provides adequate force for effective control.
Operating within the valve's specifications, it can handle a maximum closeoff pressure of 63 psig for one port and 68 psig for a second port, ensuring reliability during operation. The overall design includes an IP54 enclosure rating, which safeguards against dust ingress and water splashes, promoting longevity.
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