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Johnson Controls VG7000 Series VG7842RT+74CHGC

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VG7842RT+74CHGC

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The VG7842RT+74CHGC from Johnson Controls is a 3-way mixing control valve made of bronze. It operates at 24 VAC and features a thrust force of at least 180 lb (800 N), facilitating precise flow regulation in various HVAC systems.

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Technical specifications for VG7842RT+74CHGC

ManufacturerJohnson Controls
Product Type3-way mixing bronze control valve
Product LineVG7000 Series
Part NumberVG7842RT+74CHGC
Actuator Thrust Force180 lb (800 N) minimum
Voltage Rating24 VAC
Input Voltage Frequency50/60 Hz
IP RatingNEMA 2 (IP54)
Actuator Operating Temperature Range-5°C to 55°C
Storage Temperature Range-40°C to 80°C
Non-Condensing Humidity Range10-90% RH (operating); 5-95% RH (storage)
Housing ColorLight gray (actuator cover); bronze (valve body)
Current Rating11 VA transformer sizing rating (approx. 0.46 Amps at 24 VAC)
Closeoff Pressure76 psig (524 kPa)
Control TypeSelectable Proportional/On-Off/Floating, spring return with stem extended (VA7830)
Actuator ModelVA7830-HGC-2
End ConnectionsThreaded (NPT)
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The Johnson Controls VG7842RT+74CHGC serves as a robust 3-way mixing bronze control valve designed for a wide range of applications. Weighing 13.5 lbs, the valve incorporates a powerful actuator model (VA7830-HGC-2), which generates a minimum thrust force of 180 lb (800 N). This feature ensures reliable operation, even under varying system conditions. The valve operates at a voltage of 24 VAC, making it compatible with typical control systems, and it supports an input frequency of either 50 or 60 Hz.

This device is rated NEMA 2 (IP54) for ingress protection, implying that the valve can withstand dust and water spray effectively. The actuator maintains functionality across a temperature spectrum from -5°C to 55°C during operation, while the storage temperature can range from -40°C to 80°C, indicating versatility in handling environmental extremes. In terms of humidity, it operates reliably between 10% to 90% relative humidity, while storage conditions allow for a range of 5% to 95% RH without risk of condensation.

The housing color is light gray for the actuator cover, with the valve body finished in bronze. For power efficiency, the current rating stands at 11 VA, translating to approximately 0.46 Amps while operating at 24 VAC. This control valve allows for configurable control modes, specifically selectable proportional, on-off, and floating settings, ensuring adaptability to various system requirements. For seamless integration, the VG7842RT+74CHGC has threaded (NPT) end connections, making it suitable for numerous installations within HVAC environments.