The Johnson Controls V47AT-2 is a temperature-actuated modulating valve for 2-1/2″ ASME flange heating applications. Its non-fouling design helps maintain consistent water regulation in demanding service.
Technical Specifications
- Part Number: V47AT-2
- Series: V47 Temperature Actuated Modulating Valve
- Valve Type: Direct Acting, Commercial
- Control Action: Opens on Temperature Increase
- Connection: 2-1/2″ ASME Flange
- Body Material: Cast Iron
- Temperature Range: 160 to 205°F
- Maximum Bulb Temperature: 225°F
- Bulb Size: 11/16″ x 10″
- Capillary Length: 6 ft
- Bypass Orifice: 0.125″
Key Features and Functionality
- Non-Fouling Design: Eliminates close-fitting parts to reduce clogging risk.
- Dry Spring Housing: Keeps the range spring isolated from water contact.
- Inline Flushing Capability: Enables manual flushing without removing the valve.
- Free-Moving Components: Prevents sticking and maintains modulation accuracy.
- Stable Under Pressure: Maintains adjustment regardless of inlet pressure.
Compatible Components and Related Parts
- Seat Repair Kit: STT18A-601R
- Replacement Sensing Element: SET29A-633R
- Bulb Well: WEL17A-600R
Industry Applications
- Heat Exchangers: Controls water flow to stabilize engine cooling.
- Air Compressors: Regulates jacket cooling water to avoid overheating.
- Hydraulic Systems: Maintains oil temperature with controlled water flow.
- Printing Machines: Keeps ink circulation water within process limits.
- Swimming Pools: Directs heating water for a consistent pool temperature.
Compliance and Approvals
- Conforms to Johnson Controls and industry requirements
- ASME Flange Connection
Installation and Operational Notes
- Flush liquid lines to clear debris before installation.
- Connect piping in the direction of the valve body flow arrow.
- Keep bulb and capillary free from metal contact.
- Tighten the gland nut seal securely near the bulb fitting.
- Mount the valve vertically with the bellows facing downward.
Series Information
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1‑800‑755‑2883 for expert assistance.