Description
The Johnson Controls V47AD-1 is a direct acting, temperature actuated water regulating valve engineered for precise hydronic system control. Built with a durable cast iron body and a 1″ NPT connection, this valve responds directly to temperature changes sensed through its remote bulb and capillary assembly — no external power source required.
Key Features
- Direct acting, temperature actuated operation — opens or closes in direct response to sensed temperature
- Cast iron valve body for robust, long-lasting performance in commercial and industrial hydronic applications
- 1″ NPT inlet/outlet connections for straightforward installation into standard piping systems
- 75°F to 135°F cross ambient point temperature range for accurate, reliable regulation across a wide operating band
- 6-foot capillary tube provides flexible remote sensing capability, allowing bulb placement away from the valve body
- Style 4 sensing bulb: 11/16″ diameter x 16-1/4″ long — ideal for immersion in wells or direct fluid contact
- 1/2″ NPT external fitting for secure bulb and capillary connection to the system
Specifications
- SKU: V47AD-1
- Brand: Johnson Controls
- Body Material: Cast Iron
- Connection Size: 1″ NPT
- Temperature Range: 75°F – 135°F (Cross Ambient Point)
- Capillary Length: 6 feet
- Bulb Style: Style 4
- Bulb Dimensions: 11/16″ diameter x 16-1/4″ long
- External Fitting: 1/2″ NPT
- Actuation Type: Direct Acting
Application
The V47AD-1 is well suited for commercial HVAC, hydronic heating, and process cooling systems where water flow must be modulated based on system temperature. Its direct acting design ensures the valve opens as temperature rises and closes as temperature falls — providing automatic, self-contained regulation without the need for electrical controls. The long Style 4 bulb is designed for immersion in a thermowell or direct pipe insertion, making it adaptable to a wide range of installation scenarios.
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