Overview
The Belimo B349+AFRX24-MFT-S combines a 2-inch 3-way characterized control ball valve with a spring return Multi-Function Technology (MFT) actuator equipped with an auxiliary switch. It provides fail-safe water flow control and position signaling for commercial HVAC applications.
Features
- Reconfigurable Multi-Function Technology (MFT) for versatile control signals
- Built-in auxiliary switch provides status feedback or system interlocking
- Mechanical spring return fail-safe system for emergency protection
- Smooth flow control with characterized disc integration
- Durable valve body construction for extended operation
Specifications
- Valve Size: 2 inches
- Flow Capacity: 46 Cv
- Auxiliary Switch: Integrated (-S)
- Control Signal: Multi-Function Technology (2-10 V, 4-20 mA, On/Off, Floating)
- Supply Voltage: AC/DC 24 V
Applications
- Hydronic heating and chilled water mixing/diverting applications
- Air handling units requiring auxiliary switch safety interlocks
- Central heating and cooling plant distribution loops




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