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Johnson Controls VG7000 Series VG7842RT+74CHGA

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VG7842RT+74CHGA

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The VG7842RT+74CHGA from Johnson Controls is a three-way mixing control valve constructed from durable bronze. This 13.5 lbs unit operates at a voltage of 24 VAC and supports 50/60 Hz input frequencies, ensuring efficient performance in various applications.

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Technical specifications for VG7842RT+74CHGA

ManufacturerJohnson Controls
Product TypeThree-Way Mixing Bronze Control Valve
Product LineVG7000 Series
Part NumberVG7842RT+74CHGA
End ConnectionsNPT (Threaded)
Voltage Rating24 VAC
Input Voltage Frequency50/60 Hz
IP RatingIP54 (NEMA 2)
Operating Temperature Range-5°C to 55°C
Storage Temperature Range-40°C to 80°C
Humidity Range10 to 90% RH (Non-Condensing)
Power Consumption11 VA
Flow Coefficient (Cv)28.9 Cv (25.0 Kv)
Valve Body MaterialCast Bronze (Brass Bonnet)
Valve Trim MaterialBrass
Valve Body RatingANSI B16.15 Class 250
Maximum Closeoff Pressure71 psig (489 kPa)
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The VG7842RT+74CHGA model is an advanced three-way mixing bronze control valve designed by Johnson Controls. This valve measures 13.5 lbs and is engineered for NPT threaded connections. It operates effectively at a voltage of 24 VAC and can function within frequency ranges of 50 and 60 Hz. This specific control valve is constructed with a cast bronze body and brass trim, ensuring robust performance and longevity in diverse applications.

With an impressive flow coefficient of 28.9 Cv (25.0 Kv), this valve is well-suited for effective flow regulation in mixing applications. It can accommodate a maximum closeoff pressure of 71 psig (489 kPa), making it reliable under standard operational conditions. The body rating of the VG7842RT+74CHGA is compliant with ANSI B16.15 Class 250, illustrating its capability to withstand significant pressure and typical industrial demands.

Temperature-wise, the valve operates efficiently in environments ranging from -5°C to 55°C, while it can be stored safely at temperatures from -40°C to 80°C. With a humidity tolerance of 10% to 90% RH (non-condensing), it maintains effective operation in various conditions. The valve is also rated IP54 (NEMA 2), providing protection against dust ingress and limited water exposure. Power consumption is rated at 11 VA, indicating efficient energy use throughout its service life.