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The VG7842NT+3008EP is a three-way mixing control valve from Johnson Controls. Made of cast bronze, this valve features a pneumatic actuator for effective flow control and weighs 8.5 lbs, making it suitable for various applications.
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| Manufacturer | Johnson Controls |
|---|---|
| Product Type | Bronze Control Valve with Pneumatic Actuator |
| Product Line | VG7000 Series |
| Part Number | VG7842NT+3008EP |
| Valve Material | Cast Bronze |
| Valve Body Type | Three-Way Mixing |
| End Connections | Threaded NPT |
| Trim and Flow | Brass Trim, Linear Flow |
| Valve Size | 1 inch |
| Control Port Cv | 11.6 Cv |
| Actuator Type | V-3000-8012 Pneumatic Actuator (Exposed) with V-9502 Positioner |
| Actuator Spring Range | 9 to 13 psig |
| Maximum Closeoff Pressure (N.O. Port) | 42 psig (289 kPa) |
| Fluid Operating Temperature | 2 to 140 °C Water; 38 psig Saturated Steam |
| Valve Minimum Operating Temperature | 2 °C |
| Valve Maximum Operating Temperature | 65 °C |
| Rangeability | Greater than 100:1 |
The VG7842NT+3008EP control valve by Johnson Controls is engineered to provide efficient mixing capabilities in fluid management systems. This valve features a robust construction from cast bronze, ensuring durability in demanding operational conditions. With a total weight of 8.5 lbs, it can be easily integrated into various setups without being cumbersome.
The valve is designed as a three-way mixing unit, accommodating fluid passage with convenience through threaded NPT end connections. Rated at a size of 1 inch, it supports different configurations ideal for both commercial and industrial applications. The control port for this valve provides a coefficient of flow (Cv) of 11.6, facilitating effective regulation of flow rates.
Equipped with a V-3000-8012 pneumatic actuator, the VG7842NT+3008EP makes use of an exposed design to optimize responsiveness. This actuator is paired with a V-9502 positioner, ensuring precise control over the valve's position. The actuator supports a spring range of 9 to 13 psig, providing flexibility in operation. It can withstand a significant maximum closeoff pressure at the normally open port of 42 psig (289 kPa).
Fluid compatibility is broad, as the valve is rated for operating temperatures ranging from 2 to 140 °C for water, and up to 38 psig for saturated steam. The operational limits for the valve are maintained between a minimum of 2 °C and a maximum of 65 °C, ensuring safe and efficient functionality. Furthermore, this valve excels in rangeability, with a performance exceeding 100:1, allowing for precise adjustments in varied applications.