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Johnson Controls VG7000 Series VG7842PT+3008B

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VG7842PT+3008B

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The VG7842PT+3008B, from the Johnson Controls VG7000 Series, is designed as a three-way mixing control valve that features a pneumatic actuator. This valve is constructed from cast bronze, boasting a lightweight design at 6.5 lbs, and supports a 1-1/4 inch diameter for fluid management.

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Technical specifications for VG7842PT+3008B

ManufacturerJohnson Controls
Product TypeBronze Control Valve with Pneumatic Actuator
Product LineVG7000 Series
Part NumberVG7842PT+3008B
Valve MaterialCast Bronze
Valve Body TypeThree-Way Mixing
End ConnectionsThreaded NPT
Trim and FlowBrass Trim, Linear Flow
Valve Size1-1/4 inches
Control Port Cv18.5 Cv
Actuator TypeV-3000-8012 Pneumatic Actuator (Exposed)
Actuator Spring Range3 to 6 psig
Max. Closeoff Pressure (N.O. Port)55 psig (379 kPa)
Fluid Operating Temperature2 to 140 °C Water; 38 psig Saturated Steam
Valve Minimum Operating Temperature2 °C
Valve Maximum Operating Temperature65 °C
RangeabilityGreater than 100:1
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The Johnson Controls VG7842PT+3008B control valve is a robust three-way mixing device ideal for fluid handling tasks. Made from durable cast bronze, it is relatively lightweight, weighing in at 6.5 lbs. This 1-1/4 inch valve is equipped with threaded NPT end connections, allowing easy integration into existing systems.

The valve operates using a V-3000-8012 pneumatic actuator that is exposed and designed for straightforward operation. This actuator can manage a spring range between 3 to 6 psig and ensures efficient control under various conditions. The maximum closeoff pressure for the normally open port is rated at 55 psig (379 kPa), facilitating adaptable operation.

This control valve excels in handling fluid temperatures from 2 °C to 140 °C for water applications, while also supporting the capability to work with saturated steam at 38 psig. The VG7842PT+3008B features brass trim, which enhances its flow characteristics with a linear profile. Furthermore, its control port exhibits a Cv rating of 18.5, indicating its proficiency in managing flow.

With a remarkable rangeability of greater than 100:1, this valve can adapt to a wide variety of flow conditions, making it an excellent choice for precise control in dynamic applications. The overall design and construction of the VG7842PT+3008B render it a trustworthy solution for various industrial fluid management scenarios.