Overview
The Belimo B347+AFRX24-MFT-S is a 2-inch 3-way characterized control valve combination featuring Multi-Function Technology, spring return fail-safe operation, and dual auxiliary switches for complete system integration.
Features
- Robust 2-inch 3-way valve assembly for commercial hydronic systems
- Multi-Function Technology allows flexible signal and setup customization
- Integrated dual SPDT auxiliary switches for end-point indication or interlock
- Mechanical spring return ensures immediate emergency repositioning
- Stainless steel trim delivers extended operational lifespan
Specifications
- Valve Size: 2 inch NPT
- Valve Type: 3-Way Characterized Control Valve
- Flow Coefficient: Cv 29
- Control Signal: Multi-Function Technology (2-10 V, 4-20 mA, On/Off, Floating)
- Auxiliary Switches: 2x SPDT
- Supply Voltage: AC/DC 24 V
Applications
- 3-way mixing and diverting in air handling unit water circuits
- Commercial HVAC hydronic distribution loops with status reporting
- Critical building energy management and safety automation loops




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