Overview
The Belimo B217+LF24-MFT-S US combines a 3/4″ 2-way characterized control valve with a spring-return MFT actuator and an auxiliary switch. It delivers custom modulating control and end-point status feedback.
Features
- Multi-Function Technology (MFT) for versatile control range and feedback settings
- Auxiliary SPDT switch for electrical signaling and interlock control
- Spring-return fail-safe positioning during power interruptions
- Equal percentage flow design ensures precise thermal output
Specifications
- Valve Size: 3/4″ NPT
- Flow Coefficient (Cv): 4.7
- Nominal Voltage: AC/DC 24 V
- Control Signal: 2-10 V (MFT/programmable)
- Auxiliary Switch: 1 x SPDT
Applications
- Medium-capacity heating and cooling coil control
- HVAC systems requiring position status verification
- Hot and chilled water loops in commercial building automation





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