Overview
The Belimo B252+AFRX24-MFT is a high-capacity 2-inch 2-way characterized control valve assembly paired with a spring-return MFT actuator. Engineered for HVAC hydronic systems, it delivers high flow capability with customizable control modes.
Features
- Multi-Function Technology (MFT) enables field adaptation of control parameters
- Stainless steel valve trim for reliable operation in demanding environments
- Mechanical spring-return fail-safe mechanism ensures positive close or open position
- Equal percentage characterization disc for linear heat output
- Compact profile designed for standard HVAC mechanical rooms
Specifications
- Valve Size: 2 inches
- Flow Capacity: Cv 85
- Valve Type: 2-Way Characterized Control Valve
- Control Signal: Multi-Function Technology (2-10 V, 4-20 mA, On/Off, Floating)
- Supply Voltage: AC/DC 24 V
Applications
- Large air handling unit chilled and hot water coil modulation
- Hydronic system flow regulation in central plants
- Variable flow hydronic heating and cooling loops




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