Description
The Johnson Controls V46AT-2 is a commercial-grade, direct-acting, pressure-actuated water regulating valve engineered for reliable performance in non-corrosive refrigerant applications. Built with a durable cast iron body and a 2-1/2″ ASME four-hole flange connection, this standard-flow valve is designed to meet the demanding requirements of commercial HVAC and refrigeration systems.
The V46AT-2 responds directly to refrigerant pressure changes, modulating water flow through the condenser to maintain optimal system head pressure — without the need for an external power source. The 1/4″ external flare fitting provides a straightforward connection to the refrigerant system for accurate pressure sensing.
Key Features
- Direct-acting, pressure-actuated operation — no external power required
- Opening point pressure range: 160 to 260 PSI
- 2-1/2″ ASME four-hole flange connection for secure, leak-free installation
- Standard flow, commercial-type design for high-demand applications
- Cast iron body construction for long-lasting durability
- Compatible with non-corrosive refrigerants
- 1/4″ external flare fitting for refrigerant pressure sensing
Specifications
- SKU: V46AT-2
- Brand: Johnson Controls
- Valve Type: Direct Acting, Pressure Actuated Water Regulating Valve
- Body Material: Cast Iron
- Connection Size: 2-1/2″
- Connection Type: ASME Four-Hole Flange
- Opening Point Pressure Range: 160 to 260 PSI
- Sensing Connection: 1/4″ External Flare Fitting
- Flow Type: Standard Flow
- Application: Non-Corrosive Refrigerant Systems
- Valve Style: Commercial Type
Applications
- Commercial HVAC condensing systems
- Refrigeration equipment using non-corrosive refrigerants
- Water-cooled condensers requiring head pressure control
- Industrial and commercial cooling systems







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