Overview
The Johnson Controls VG7243PT+72CHGA is a 2-way, 1-1/4 inch cast bronze globe control valve assembly designed for precise regulation in HVAC systems. It features a stainless steel trim, NPT threaded connections, and is paired with a VA7820 series electric spring-return actuator that operates in a Normally Open (push-down-to-close) configuration.
Features
- Spring-return stem up action for fail-safe safety
- Stainless steel trim providing excellent corrosion protection and durability
- Equal percentage flow characteristics for accurate modulating control
- Replaceable ring packing that ensures maximum reliability and a long life cycle
- Factory-tested design to guarantee tight fluid shutoff
Specifications
- Valve Size: 1-1/4 inch
- Flow Capacity: 18.5 Cv
- Connection Type: NPT female threaded
- Body Material: Cast bronze
- Trim Material: Stainless steel
- Valve Pattern: 2-Way
- Fail Position: Normally Open (N.O.)
- Actuator Type: Electric spring return (VA7820-HGA-2)
- Supply Voltage: 24 VAC
- Closeoff Pressure: 68 psi
- Control Signal: Proportional / Selectable (0-10 VDC)
Applications
- Control of hot water, chilled water, and 50/50 glycol solutions in commercial HVAC systems
- Low-pressure saturated steam applications up to 38 psig
- Heat exchanger and terminal unit temperature control loops


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