Overview
The Belimo B348+AFRX24-MFT is a 2-inch 3-way characterized control valve assembly engineered for high-flow hydronic systems. It features a spring return Multi-Function Technology actuator for automated fail-safe operation.
Features
- 2-inch NPT body with Cv 37 capacity for high-flow hydronic circuits
- Multi-Function Technology provides programmable control input and feedback options
- Reliable mechanical spring return ensures safe valve position on power loss
- Stainless steel ball and stem prevent corrosion and premature wear
- Equal percentage flow characterizer ensures stable temperature control
Specifications
- Valve Size: 2 inch NPT
- Valve Type: 3-Way Characterized Control Valve
- Flow Coefficient: Cv 37
- Control Signal: Multi-Function Technology (2-10 V, 4-20 mA, On/Off, Floating)
- Supply Voltage: AC/DC 24 V
- Fail-Safe Mode: Spring Return
Applications
- Hydronic mixing and diverting in commercial heating/cooling loops
- High-capacity air handling unit water coil control
- Central plant water distribution and automation systems



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