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Johnson Controls VG7000 Series VG7842LT+3008EP

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VG7842LT+3008EP

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The VG7842LT+3008EP control valve from Johnson Controls is engineered for precise fluid management in various applications, featuring a durable cast bronze structure. This valve incorporates a pneumatic actuator, designed to operate efficiently under varying conditions, particularly for water and saturated steam systems.

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Technical specifications for VG7842LT+3008EP

ManufacturerJohnson Controls
Product TypeBronze Control Valve with Pneumatic Actuator
Product LineVG7000 Series
Part NumberVG7842LT+3008EP
Valve MaterialCast Bronze
Valve Body TypeThree-Way Mixing
End ConnectionsThreaded NPT
Trim and FlowBrass Trim, Linear Flow
Valve Size3/4-inch
Control Port Cv7.3 Cv
Actuator TypeV-3000-8012 Pneumatic Actuator (Exposed) with V-9502 Positioner
Actuator Spring Range9 to 13 psig
Maximum Closeoff Pressure (N.O. Port)69 psig (475 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 VG7842LT+3008EP is a bronze control valve produced by Johnson Controls, specifically within the VG7000 Series. Notably, this valve is made from cast bronze, resulting in both durability and resistance to corrosion. At a compact weight of 6.5 lbs, it features a three-way mixing body type, ideal for enhancing fluid mixing efficiency.

This valve is equipped with NPT threaded end connections, making installation straightforward. It boasts a size of 3/4-inch and features a brass trim that promotes linear flow dynamics. The control port of this valve has a flow coefficient of 7.3 Cv, allowing for effective modulation of fluid flow as needed.

The actuator integrated into this model is the V-3000-8012 pneumatic actuator, which comes with a V-9502 positioner intended for exposed applications. Its spring range operates between 9 to 13 psig, providing functional flexibility under various pressure conditions. This valve's maximum closeoff pressure is rated at 69 psig (475 kPa), ensuring effective sealing during operation.

When it comes to thermal performance, the VG7842LT+3008EP can handle a fluid operating temperature range of 2 to 140 °C for water and support saturated steam pressures of up to 38 psig. The valve's minimum operating temperature is set at 2 °C, while its maximum operational threshold reaches 65 °C. Finally, this valve features a remarkable rangeability exceeding 100:1, allowing for effective control across a variety of flow conditions.