Overview
The Belimo B220+LF24-MFT US is a 3/4 inch 2-way characterized control valve combination featuring a spring-return actuator and Multi-Function Technology for customizable fail-safe hydronic control.
Features
- Multi-Function Technology (MFT) enables flexible control parameter adjustments
- True mechanical spring return provides fail-safe positioning on power loss
- Characterized disc design delivers optimal equal percentage flow characteristics
- High Cv rating reduces pipe size reduction requirements
Specifications
- Valve Size: 3/4″ [DN 20]
- Flow Coefficient: 14 Cv
- Nominal Voltage: AC/DC 24 V
- Control Signal: DC 2…10 V (MFT / programmable)
- Torque: 35 in-lb
- Fail-Safe: Spring Return
Applications
- Heating and cooling water regulation in large air handling units
- Temperature modulation in fan coils and unit ventilators
- Fail-safe fluid control in variable flow commercial HVAC systems





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