The Johnson Controls V47AD-19C is a temperature-actuated modulating water valve for cross-ambient applications. Operating from 40 to 85°F, it uses a 6-foot capillary and an 11/16 x 16-1/4″ bulb to regulate water flow and help maintain system temperature stability.
Technical Specifications
- Part Number: V47AD-19C
- Series: V47 Temperature Actuated Modulating Valve
- Valve Type: Direct Acting, Commercial
- Control Action: Opens on Temperature Increase
- Connection: 1″ NPT Threaded
- Body Material: Cast Iron
- Temperature Range: 40 to 85°F
- Maximum Bulb Temperature: 105°F
- Bulb Size: 11/16″ x 16-1/4″
- Capillary Length: 6 ft
Key Features and Functionality
- Non-Fouling Passages: Resists the accumulation of scale or debris.
- Pressure-Isolated Adjustment: Settings remain stable even if supply pressure changes.
- Inline Flushing: Debris can be cleared during service checks.
- Anti-Chatter Design: Lowers the risk of vibration and shock to the system.
- Free Modulation: Temperature control stays accurate during operation.
Industry Applications
- Heat Exchangers: Control cooling water to maintain stable equipment temperatures.
- Compressor Systems: Maintains oil and discharge temperatures in compressors.
- Hydraulic Circuits: Keeps fluid at design temperature for safe operation.
- Printing Presses: Regulates temperature for ink and process consistency.
- Pool Systems: Automates flow to manage pool water heating.
Compliance and Approvals
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Conforms to Johnson Controls and industry requirements
Installation and Operational Notes
- Flush all liquid lines before connecting the valve.
- Connect piping in the flow direction shown on the valve.
- Prevent bulb and capillary contact with metal surfaces.
- Secure closed tank connectors using the gland nut.
- Mount the valve vertically with the bellows facing down.
Series Information
V47 Series Temperature Actuated Valve
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