Description
The Johnson Controls V47AR-3 is a direct acting, temperature actuated water regulating valve engineered for reliable hydronic heating system control. Built with a durable cast iron body and a 1-1/2″ ASME flange connection, this valve is designed to handle demanding commercial and industrial heating applications with confidence.
How It Works
The V47AR-3 operates on a direct acting principle — as the sensed temperature rises within the set range, the valve modulates water flow accordingly. The remote bulb senses system temperature and transmits that signal through the capillary to the valve actuator, providing accurate, responsive control without the need for an external power source.
Key Features
- Heating point range: 160°F to 230°F
- Body material: Cast iron for durability and long service life
- Connection type: 1-1/2″ ASME flange
- Capillary length: 6 feet for flexible remote sensing installation
- Bulb style: Style 4 — 11/16″ diameter x 6″ long
- External fitting: 1/2″ NPT for easy system integration
- Direct acting operation — no external power required
- ASME flange rating for code-compliant installations
Specifications
- SKU: V47AR-3
- Brand: Johnson Controls
- Valve Size: 1-1/2″
- Connection: ASME Flange
- Body Material: Cast Iron
- Temperature Range: 160°F – 230°F
- Capillary Length: 6 feet
- Bulb Dimensions: 11/16″ diameter x 6″ long (Style 4)
- External Fitting: 1/2″ NPT
- Actuation Type: Direct Acting, Temperature Actuated
Applications
Ideal for use in commercial and industrial hydronic heating systems where precise water temperature regulation is required. Commonly applied in boiler systems, heat exchangers, and process heating loops that demand reliable, self-contained temperature-actuated control within the 160°F to 230°F range.
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