The Johnson Controls V46AD-1C is a direct-acting valve that regulates condenser water flow in response to refrigerant pressure. This model uses a 1″ NPT threaded connection and a 30″ capillary with a 1/4″ flare nut to deliver consistent control across a 70 to 260 psi range.
Technical Specifications
- Part Number: V46AD-1C
- Series: V46 Pressure-Actuated Modulating Valve
- Valve Type: Open on Rise (Commercial Low Flow)
- Control Action: Direct-Acting
- Connection: 1″ NPT threaded
- Body Material: Cast Iron
- Maximum Opening Point: 70 to 260 psi
- Maximum Temperature: 170°F (77°C)
- Pressure Connection: 30″ capillary with 1/4″ flare nut (Style 45)
Key Features and Functionality
- Flare Nut Connection: Style 45 fitting simplifies linkage to pressure tap.
- Compact Capillary Length: 30″ length supports tighter installation zones.
- Low-Flow Compatibility: Sized for systems with limited water volume.
- Internal Corrosion Protection: Wetted surfaces resist water-related damage.
- Field-Accessible Design: Internal parts can be reached without system removal.
Compatible Components and Related Parts
- STT17A-609R, SEP91A-603R & SEC99AA-36C2
Industry Applications
- Building Cooling Systems: Controls water to maintain head pressure.
- Equipment Chillers: Maintains refrigerant pressure in compact units.
- Low-Flow Condensers: Matches flow to minor coil requirements.
- Refrigerant Packs: Ensures proper pressure balance in small systems.
Compliance and Approvals
- ISO 7 / DIN 2999-Rc
- ISO 228 / DIN 259-Rp
- Johnson Controls mechanical performance standards
Installation and Operational Notes
- Confirm capillary routing before securing the valve.
- Mount with a capillary positioned to avoid kinks.
- Flush piping before startup to clear debris.
- Follow the rated temperature and pressure range strictly.
- Match the flare fitting to the correct thread for sealing.
Series Information
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