The Johnson Controls V46AA-1 is a direct-acting, pressure-actuated modulating valve used to regulate refrigerant head pressure in water-cooled condensers. It operates within a 70 to 260 psi range and features a 30″ capillary with a 1/4″ flare nut for remote pressure sensing.
Technical Specifications
- Part Number: V46AA-1
- Series: V46 Pressure-Actuated Modulating Valve
- Valve Type: Open on Rise (Commercial)
- Control Action: Direct-Acting
- Connection: 3/8″ NPT threaded
- Body Material: Cast Brass
- Maximum Opening Point: 70 to 260 psi
- Maximum Temperature: 170 °F (77 °C)
- Pressure Connection: 30″ Capillary with 1/4″ Flare Nut
Key Features and Functionality
- Wide Pressure Range: Operates between 70 and 260 psi for flexible use.
- Capillary Pressure Line: 30″ length with flare nut provides accurate remote sensing.
- No Sliding Internals: Reduces clogging and supports stable modulation.
- Corrosion-Resistant Body: Brass housing extends valve service life.
- Field-Serviceable Design: Allows maintenance without pump-down.
Compatible Components and Related Parts
- STT14A-600R, SEP91A-600R, SEC37A-601R1
Industry Applications
- HVAC Condensers: Regulate water flow to maintain head pressure.
- Refrigeration Units: Adjusts condenser water based on refrigerant load.
- Process Cooling: Maintains set pressure in cooling systems.
- Industrial Chillers: Maintain stable condenser operation during varying demand.
Compliance and Approvals
- ISO 7 / DIN 2999-Rc
- ISO 228 / DIN 259-Rp
- Nominal specs meet Johnson Controls and industry standards
- Contact JCI for use outside rated conditions
Installation and Operational Notes
- Ensure the supply voltage matches the coil rating before powering up.
- Install with the coil upright to ensure stable performance.
- Keep media clean—flush lines to remove particulates.
- Stay within pressure and temperature limits at all times.
- Verify disc material is compatible with the intended media.
Series Information
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