The Johnson Controls V46NA-4 is a reverse-acting modulating valve for bypass and heat pump service, operating within a 40 to 100 psi range with a 30″ capillary and Schrader valve depressor.
Technical Specifications
- Part Number: V46NA-4
- Series: V46N Pressure-Actuated Modulating Valve
- Valve Type: Commercial
- Control Action: Reverse Acting
- Connection: 3/8″ NPT threaded
- Opening Point Range: 40 to 100 psi
- Pressure Connection:
- 30 in. capillary with 1/4 in. flare nut
- Schrader valve depressor
Key Features and Functionality
- Reverse Acting: Opens in response to a decrease in pressure.
- Low Range: 40–100 psi supports precise control.
- Compact Form: 3/8″ connection allows tight installation.
- Capillary Assembly: 30″ length enables flexible routing.
- Serviceability: Repair and element kits simplify upkeep.
Compatible Components and Related Parts
- Johnson Controls Seat Repair Kit: STT14A-600R
- Johnson Controls Replacement Power Elements: SEP91A-600R, SEC99AA-36C
Industry Applications
- Bypass Systems: Maintains flow control in bypass circuits.
- Heat Pumps: Operate alongside direct-acting valves.
Installation and Operational Notes
- Confirm operating pressure matches the 40–100 psi range.
- Avoid sharp bends when routing the 30″ capillary.
- Clean piping before installation to prevent fouling.
- Stay within pressure limits for consistent operation.
- Check flare fittings for proper seal before startup.
Series Information
Johnson Controls V46N Series Reverse-Acting Valve
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