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Johnson Controls VG7000 Series VG7842ST+71CHGC

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VG7842ST+71CHGC

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The VG7842ST+71CHGC model from Johnson Controls is a three-way mixing control valve made from bronze. This unit features a flow coefficient of 46.2 Cv and weighs 16.9 lbs. Rated for 24 VAC, it operates efficiently across a wide temperature range while ensuring integrity and performance in various applications.

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Technical specifications for VG7842ST+71CHGC

ManufacturerJohnson Controls
Product TypeThree-way mixing bronze control valve
Product LineVG7000 Series
Part NumberVG7842ST+71CHGC
Flow Coefficient (Cv)46.2 Cv
Voltage Rating24 VAC
IP RatingIP54
Operating Temperature Range2 to 140°C (valve fluid)
Valve Operating Temperature Limits2 to 65°C
Trim/Flow CharacteristicsBrass trim, linear flow (three-way)
End ConnectionsNPT (threaded)
Actuator ModelVA7810-HGC-2
Actuator Force Output180 lb. min. stem force
Valve Body RatingANSI B16.15, Class 250
Leakage0.01% of max. flow
Rangeability>100:1
MaterialsBody: Cast Bronze; Bonnet: Brass
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The VG7842ST+71CHGC by Johnson Controls is a three-way mixing control valve constructed from bronze materials. With a sturdy design, this valve is rated for a weight of 16.9 lbs and operates on a voltage supply of 24 VAC. It boasts a flow coefficient of 46.2 Cv, ensuring effective management of fluid flow.

This valve features brass trim and is designed for linear flow characteristics, making it essential for applications that require precise control. Rated with an IP54 enclosure, the VG7842ST+71CHGC is protected against dust and water to a degree, suitable for many applications in industrial settings.

In terms of thermal capabilities, the operational range for valve fluid extends from 2 to 140°C, while the valve itself can handle temperatures up to 65°C. The actuator model associated with this valve is the VA7810-HGC-2, delivering a minimum stem force of 180 lbs, which provides adequate actuation power.

The valve meets ANSI B16.15, Class 250 ratings, assuring a strong construction that can withstand significant operational pressures. This design ensures a leakage rate of only 0.01% of maximum flow, demonstrating high reliability and efficiency. With a rangeability greater than 100:1, the VG7842ST+71CHGC provides exceptional adaptability across diverse control scenarios in process management.