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Johnson Controls VG2000 Series VG2231UM+845E00

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VG2231UM+845E00

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The VG2231UM+845E00 is a 3-inch pneumatically actuated globe valve part of the VG2000 series manufactured by Johnson Controls. Designed for efficient fluid control, this valve features a modified linear flow characteristic and is suitable for a range of operating conditions.

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Technical specifications for VG2231UM+845E00

ManufacturerJohnson Controls
Product TypePneumatically-actuated 2-way globe valve
Product LineVG2000 Series
Part NumberVG2231UM+845E00
Valve Body RatingASME B16.1, Class 125
Valve Size3 inches
Operating Temperature Range2°C to 138°C (fluid)
Maximum Allowable Pressure (Water)175 psig at 66°C, 125 psig at 138°C
Maximum Allowable Pressure (Steam)35 psig (241 kPa) of saturated steam at 138°C
Flow CharacteristicModified linear
Body MaterialCast iron
Stem Material316 stainless steel
Plug MaterialBrass
Spring Range9 to 13 psig
Closeoff Pressure40 psig
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The Johnson Controls VG2231UM+845E00 is classified as a pneumatically-actuated 2-way globe valve in the VG2000 series. Weighing in at 80.0 lbs and featuring a valve size of 3 inches, this unit is engineered for dependable use in various fluid control applications. Its body adheres to ASME B16.1 standards, rated at Class 125, ensuring durability and adherence to industry specifications.

Operating between 2°C and 138°C, it can accommodate fluids within this temperature range. This model is rated for maximum allowable pressure of 175 psig when dealing with water at 66°C, while at 138°C, this threshold decreases to 125 psig. Additionally, it can handle saturated steam up to 35 psig (equivalent to 241 kPa) at 138°C.

The valve's design incorporates a modified linear flow characteristic, which enhances operational efficiency by providing predictable flow behavior. The body is constructed from cast iron, making it resistant to wear, while the stem is fashioned from 316 stainless steel for improved corrosion resistance. The plug is made of brass, contributing to its overall durability. The valve features a spring range of 9 to 13 psig, with a closeoff pressure set at 40 psig, reinforcing its capability to maintain system integrity under varied operating conditions.