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VG7842ET+74CHGA
The VG7842ET+74CHGA is a robust control valve by Johnson Controls, featuring a compact design with an electric actuator. It is specifically constructed for three-way mixing applications and has a size of 1/2 inch (DN15).
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Technical specifications for VG7842ET+74CHGA
| Manufacturer | Johnson Controls |
|---|---|
| Product Type | Bronze control valve with electric actuator |
| Product Line | VG7000 Series |
| Part Number | VG7842ET+74CHGA |
| Valve Size | 1/2 in. (DN15) |
| Body Configuration | Three-Way Mixing |
| End Connection | Threaded (NPT) |
| Trim and Flow | Brass Trim, Linear Flow |
| Flow Coefficient (Cv) | 1.8 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 | 345 psig (2377 kPa) |
| Enclosure Rating | IP54 |
| Body Material | Cast Bronze |
The VG7842ET+74CHGA model from Johnson Controls features a sturdy bronze construction designed as a control valve with an integrated electric actuator. With a size of 1/2 inch (DN15), this valve weighs 7.2 lbs, making it compact and relatively lightweight for easy installation. It employs a three-way mixing body configuration that allows effective management of fluid flow.
The valve connects through threaded NPT ends, ensuring a secure attachment in various piping setups. It is detail-oriented, featuring a brass trim to facilitate linear flow characteristics, providing greater control over fluid dynamics. This specific design aspect contributes to its flow coefficient of 1.8 Cv, indicating its capacity for efficient flow management.
The Actuator model VA7830-HGA-2 is designed to offer a spring return feature with an application where the valve stem moves downward, simplifying its operation. This actuator can handle control signals of floating or proportional nature, receiving a consistent voltage supply of 24 VAC while operating within input frequency parameters of 50/60 Hz.
The actuator generates a torque of 180 lb-in, making it capable of effectively handling the required mechanical demands. The maximum closeoff pressure of the valve is rated at 345 psig (2377 kPa), ensuring reliable sealing when needed. Its enclosure is rated IP54, providing adequate protection from dust and water, thus enhancing its operational reliability. Overall, the VG7842ET+74CHGA is engineered for dependable performance in industrial applications involving fluid regulation.
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