
The Johnson Controls V46AD-4C is a pressure-actuated, direct-acting valve designed to regulate condenser water in ammonia refrigeration systems. It features a 1″ NPT inlet and a 1/4″ NPT pressure connection, with a control range of 100-200 psi for consistent pressure response.
Technical Specifications
- Part Number: V46AD-4C
- 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: 100 to 200 psi
- Maximum Temperature: 170°F (77°C)
- Pressure Connection: 1/4″ internal NPT (Style 15)
Key Features and Functionality
- Ammonia-Compatible Design: Built with materials suitable for ammonia systems.
- Internal Threaded Port: 1/4″ NPT pressure element supports sealed connections.
- Direct-Acting Operation: Opens proportionally as pressure increases.
- Cast Iron Body: Provides strength in industrial environments.
- Fixed Range Selection: Operates within a 100–200 psi window.
Compatible Components and Related Parts
- STT17A-609R & SEP70A-604R
Industry Applications
- Cold Storage Facilities: Regulates condenser water in ammonia systems.
- Food Freezing Plants: Controls head pressure during operation.
- Industrial Refrigeration: Manages water flow based on system pressure.
- Ammonia Systems: Provides safe pressure modulation for condensers.
Compliance and Approvals
- ISO 7 / DIN 2999-Rc
- ISO 228 / DIN 259-Rp
- Ammonia service rated per Johnson Controls specifications
Installation and Operational Notes
- Use with ammonia-rated piping and fittings only.
- Mount the valve in the upright position for proper function.
- Avoid overtightening flare or NPT connections.
- Clean and flush all lines before installation.
- Confirm thread engagement depth on the pressure port.
Series Information
We ship this product worldwide! Delivery is normally stock.
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