JOHNSON CONTROLS VG2831UM Globe Valve Less Actuator, 3-Way, 3 Inch Connection Size, Flanged, Cast Iron

Johnson Controls VG2831UM globe valve is used in HVAC systems, heating & cooling applications to precisely regulate the flow of fluids, enabling effective temperature control and balancing within the system. This 3-way mixing valve is ideal for maintaining comfortable indoor environments by blending hot and cold water streams, ensuring optimal energy efficiency and temperature consistency.

Features:

• This valve features cast iron construction for structural rigidity and increased durability.
• It controls hot or chilled water & 35 psig saturated steam and supports a maximum actuator supply pressure of 25 psig, enhancing system control.
• This valve possesses a high static pressure rating of 175 psig for water temperatures 35 to 150 degrees F, decreasing to 125 psig at 281 degrees F.
• This valve has a 3-way mixing design for efficient temperature regulation and precise blending of fluids.
• It offers a flanged connection for streamlined & secure attachment with the actuator.

Frequently Asked Questions:

Q. What is the operating pressure drop of this globe valve?

A. Johnson Controls VG2831UM globe valve operates within a maximum pressure drop of 35 psig.

Q. How do I clean and maintain this Johnson Controls VG2831UM globe valve?

A.

• Begin by disconnecting power and isolating the valve from the system.
• Thoroughly examine the valve body for any noticeable dirt or debris.
• Employ a soft brush or compressed air to effectively clean the outer surface.
• Inspect the valve components for potential leaks or signs of corrosion.
• Apply the appropriate valve lubricant to ensure smooth movement of parts.
• Validate the alignment and movement of the valve stem.
• Reassemble the valve, ensuring all connections are securely tightened.
• Power up the system and assess the valve's operational functionality.
• Establish a routine schedule for maintenance checks to ensure consistent optimal performance.

Q. How do I install this globe valve?

A.

• Begin by selecting an appropriate location for valve installation.
• Ensure that the system is powered off and isolated for safety.
• Align the valve's flanged connections with the piping system.
• Securely attach the valve using compatible bolts and gaskets.
• Verify proper alignment and tighten flange bolts evenly.
• Connect control wiring to the actuator following manufacturer guidelines.
• Power up the system and test the valve's operation.
• Adjust control settings as necessary for desired functionality.