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Johnson Controls VG7000 Series VG7842ST+823C00

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VG7842ST+823C00

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The Johnson Controls VG7842ST+823C00 is a robust three-way mixing valve designed to facilitate fluid flow in HVAC and process systems. It features a pneumatic spring-return actuator (MP82) and operates efficiently within a temperature range from 2°C to 140°C.

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Technical specifications for VG7842ST+823C00

ManufacturerJohnson Controls
Product TypeThree-Way Mixing Bronze Globe Valve
Product LineVG7000 Series
Part NumberVG7842ST+823C00
Actuator ModelMP82 (Pneumatic, Spring-Return-Up)
Operating Temperature Range2°C to 140°C
Spring Range3 to 7 psig
Maximum Closeoff Pressure70 psig (483 kPa)
Flow Coefficient (Cv)46.2 Cv (40.0 Kv)
End ConnectionsNPT (Threaded)
Actuator Stroke3/4 in.
Max. Actuator Supply Pressure25 psig
Valve Body RatingASME B16.15 Class 250
Body MaterialCast Bronze
Trim MaterialBrass with Stainless Steel Stem
Packing MaterialEPR Ring Pack U-Cups
Flow CharacteristicLinear (Three-Way)
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The VG7842ST+823C00 model from Johnson Controls, part of the VG7000 Series, is engineered as a three-way mixing globe valve. Weighing in at 24 lbs, it incorporates an MP82 actuator, which is pneumatic and operates with a spring-return mechanism. This unit is designed for fluid control in various applications. The valve operates effectively within a temperature range of 2°C to 140°C, making it suitable for a variety of environments.

The spring range is adjustable between 3 and 7 psig, which contributes to overall system flexibility. It has a maximum closeoff pressure of 70 psig (483 kPa), ensuring reliable sealing under typical operating conditions. When it comes to performance, the flow coefficient is notable at 46.2 Cv (equivalent to 40.0 Kv), allowing for substantial flow rates.

For installation, the valve features NPT threaded end connections that facilitate easy integration into existing pipelines. The actuator stroke measures 3/4 inch, providing adequate movement for mixing purposes. The valve can handle a maximum actuator supply pressure of up to 25 psig.

Constructed according to ASME B16.15 Class 250 standards, this valve body is made of cast bronze, offering durability and corrosion resistance. The internal trim is composed of brass elements complemented by a stainless steel stem to withstand wear. Additionally, EPR ring pack U-cups serve as packing material, enhancing sealing and reliability. The flow characteristic of the valve is linear, ensuring consistent performance across varying flow rates.