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VG2831TM+94NGGA
The VG2831TM+94NGGA is a 3-way electrically-actuated mixing control valve manufactured by Johnson Controls and belongs to the VG2000 Series. This valve effectively mixes fluids in HVAC applications and ensures precise control, with a size specification of 2 1/2 inches.
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Technical specifications for VG2831TM+94NGGA
| Manufacturer | Johnson Controls |
|---|---|
| Product Type | 3-Way Electrically-Actuated Mixing Control Valve |
| Product Line | VG2000 Series |
| Part Number | VG2831TM+94NGGA |
| End Connections | Flat-Faced Flanged ANSI Class 125 Connections |
| Valve Size | 2 1/2 inches |
| Body Configuration | 3-way mixing body with spring-return feature, valve stem down, and open side inlet port |
| Trim and Flow | Brass Trim, Modified Linear Flow |
| Valve Stroke | 3/4 in. (19 mm) |
| Control Signal Type | Proportional, 0-10 Volts DC (0-20 mA/4-20 mA selectable with field resistor) |
| Voltage Rating | 24 VAC/24 VDC |
| Input Voltage Frequency | 50/60 Hz (AC) |
| Current Rating | ≈0.65 Amps running (15.5 VA), ≈0.32 Amps holding (7.7 VA) at 24 VAC |
| IP Rating | NEMA 2 (IP54) |
| Actuator Operating Temperature Range | -40°C to 55°C |
| Actuator Storage Temperature Range | -65°C to 85°C |
| Fluid Operating Temperature Range | 2°C to 138°C |
The Johnson Controls VG2831TM+94NGGA is a robust 3-way electrically-actuated mixing control valve. Designed to manage fluid mixing effectively, this valve is part of the VG2000 Series and has a size of 2 1/2 inches. It has a significant weight of 78.0 lbs, providing durability during operation.
This valve utilizes flat-faced flanged ANSI Class 125 end connections for secure installation. The valve configuration includes a 3-way mixing body that incorporates a spring-return feature, with the valve stem positioned down and the inlet port oriented for optimal flow. The body also includes brass trim for enhanced resistance against corrosion and wear.
The VG2831TM+94NGGA delivers modified linear flow and operates with a stroke of 3/4 inches (19 mm). It responds to proportional control signals ranging from 0-10 Volts DC, and it is capable of adjusting to either 0-20 mA or 4-20 mA by selecting the appropriate field resistor.
Rated for 24 VAC or 24 VDC, it is suitable for multiple application environments. The current ratings are approximately 0.65 Amps when running, consuming about 15.5 VA, and approximately 0.32 Amps while holding at 7.7 VA under 24 VAC. The valve can withstand operational temperatures for its actuator from -40°C to 55°C and can be stored in conditions ranging from -65°C to 85°C. Furthermore, the fluid temperature range the valve supports is between 2°C and 138°C, allowing it to handle various operational scenarios.
Finally, with an IP rating of NEMA 2 (IP54), this valve ensures adequate protection against dust and water ingress. The VG2831TM+94NGGA is an ideal solution for precise fluid control in HVAC systems and other industrial applications.
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