Overview
The Belimo B209+LFX24-SR US is a 1/2-inch 2-way characterized control valve assembly with a 0.8 Cv rating and a 24V modulating spring-return fail-safe actuator.
Features
- Equal percentage flow profile eliminates control loop instability
- Mechanical spring return fail-safe action upon power interruption
- Modulating 2-10 VDC signal input for precise flow adjustment
- Stainless steel trim ensures high reliability and long operational life
Specifications
- Valve Size: 1/2″ (DN 15)
- Flow Coefficient (Cv): 0.8
- Pattern: 2-way
- Power Supply: AC/DC 24 V
- Control Signal: 2…10 VDC
- Fail-Safe: Spring Return
Applications
- Chilled water and hot water coil flow modulation in terminal units
- VAV reheat coil temperature regulation
- Commercial HVAC systems needing spring-return fail-safe control



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