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Johnson Controls VG2000 Series VG2831TM+843E01

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VG2831TM+843E01

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The VG2831TM+843E01 from Johnson Controls is a pneumatically-actuated control valve designed for efficient fluid management. It features a robust 3-way mixing body configuration, suitable for various applications, with ANSI Class 125 flanged flat-faced connections.

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Technical specifications for VG2831TM+843E01

ManufacturerJohnson Controls
Product TypePneumatically-Actuated Control Valve
Product LineVG2000 Series
Part NumberVG2831TM+843E01
End ConnectionsFlat-Faced Flanged ANSI Class 125 Connections
Valve Size2 1/2 inches
Body Configuration3-way mixing body
Trim and FlowBrass Trim, Modified Linear Flow
Valve Stroke3/4 in. (19 mm)
Maximum Control / Supply Air Pressure25 psig (172 kPa) max
Air ConnectionBarbed fitting for 1/4-inch O.D. polytubing
Housing MaterialDie-formed carbon steel with a corrosion-resistant finish
Actuator Operating Temperature Range-29°C to 66°C
Actuator Storage Temperature Range-40°C to 80°C
Diaphragm MaterialEPDM (Ethylene Propylene Diene Monomer)
Fluid Operating Temperature Range2°C to 138°C
Closeoff Pressure35/45 psig N.O. port/N.C. port
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The VG2831TM+843E01 is part of the VG2000 Series manufactured by Johnson Controls, focusing on pneumatic actuation for precise control applications. The valve is constructed with a 3-way mixing body, offering flexibility in fluid distribution. It has an ANSI Class 125 flat-faced flanged connection for stable integration into existing systems. Weighing in at 88.0 lbs, this valve is designed for durability and reliability.

With a size of 2 1/2 inches, it provides a sufficient flow capacity. The valve stroke is measured at 3/4 inch (19 mm), allowing for precise modulation of the fluid flow. This unit can handle a maximum control or supply air pressure of 25 psig (172 kPa). For fluid connections, it features a barbed fitting suitable for 1/4-inch O.D. polytubing, ensuring secure air supply connection.

The housing is fabricated from die-formed carbon steel and coated with a corrosion-resistant finish to enhance longevity. The actuator can function effectively across a temperature range from -29°C to 66°C and can be stored at temperatures between -40°C and 80°C. The diaphragm is made of EPDM (Ethylene Propylene Diene Monomer), providing reliable performance in varying conditions. The valve can manage fluids at temperatures from 2°C to 138°C, making it versatile for different applications. Furthermore, the closeoff pressure is rated at 35/45 psig for normally open and normally closed ports, respectively.