The Johnson Controls VG2231WN+867E01 is a factory-assembled valve and actuator combination designed for high-capacity modulating control in HVAC and process systems. This 2-way, normally open valve features a 5-inch ANSI Class 125 flat-faced flange connection with a modified linear flow characteristic. Constructed with a cast iron body and brass trim, the valve is matched with a spring return pneumatic actuator equipped with a pneumatic positioner. The actuator includes a 1/2″ threaded stem and operates within a 9–13 PSI spring range for dependable and responsive control.
Technical Specifications
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Model: VG2231WN+867E01
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Valve Type: 2-way, normally open
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Connection Size: 5-inch ANSI Class 125 flat-faced flange
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Flow Characteristic: Modified linear
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Flow Coefficient (Cv): 240
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Body Material: Cast iron
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Trim Material: Brass
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Stem Size: 1/2 inch threaded
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Actuator Type: Pneumatic spring return with pneumatic positioner
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Spring Range: 9–13 PSI
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Control Signal: Pneumatic (via positioner)
Key Features
-Factory-assembled valve and actuator combination for simplified installation
-High Cv rating supports large flow volumes in critical HVAC systems
-Normally open fail position ensures default flow in loss-of-air conditions
-Spring return actuator with pneumatic positioner for accurate modulating control
-Modified linear flow for improved system response and efficiency
-Flat-faced flange simplifies installation and gasket alignment in flanged piping systems
Compatible Components & Accessories
-Johnson Controls pneumatic thermostats and controllers
-Air line tubing, regulators, and filters
-Position feedback transmitters (optional, depending on positioner type)
-Mounting hardware and flange gaskets
Industry Applications
-Central plant chilled or hot water systems
-Large air handling unit coil control
-District energy systems
-Industrial fluid and process control systems
-Hydronic systems requiring reliable flow modulation
Installation & Maintenance Notes
-Install with proper gasket alignment between ANSI 125 flanges
-Ensure air supply pressure is regulated and dry for optimal actuator performance
-Verify control signal calibration and spring range during commissioning
-Routine inspection of packing, actuator diaphragm, and linkage is recommended
-Clean valve internals as needed during scheduled shutdowns to maintain flow integrity
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.