Overview
The Johnson Controls VG12A5HW+92NBGA is a 3-inch, two-way flanged ball valve and electric actuator assembly engineered to regulate the flow of hot water, chilled water, 50/50 glycol solutions, and low-pressure steam in commercial HVAC systems. This assembly includes a factory-mounted M9220-BGA-3 spring-return actuator providing 24 V ON/OFF control, holding the valve in a normally open position without auxiliary switches.
Features
- 100 psi closeoff pressure rating provides a tight shutoff.
- 300 stainless steel ball and stem assembly supports high-temperature fluids and low-pressure steam.
- 500:1 rangeability delivers precise and accurate flow control under varying load conditions.
- Maintenance-free design handles over 200,000 full stroke cycles in iron-oxide contaminated water.
- Graphite-reinforced PTFE seats backed with EPDM O-rings maintain constant seating force while minimizing wear.
Specifications
- Pipe Size: 3 inches
- Body Pattern: Two-Way
- Flow Capacity: 211 Cv
- Actuator Type: M9220-BGA-3 Spring Return
- Control Action: 24 V ON/OFF
- Factory Position: Spring Open (Normally Open)
- Auxiliary Switches: Without switches
- Connection Type: ASME Class 150 Flanged
- Fluid Temperature Range: 0 to 284°F (-18 to 140°C)
- Maximum Steam Rating: 25 psi saturated steam
Applications
- Tailored for commercial Heating, Ventilating, and Air Conditioning (HVAC) systems.
- Ideal for demand-based regulation of hot water, chilled water, and 50/50 glycol solutions.
- Suitable for low-pressure industrial steam distribution systems.



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