Overview
The Belimo B224+LF24-SR US is a characteristically controlled 2-way ball valve and spring return actuator assembly designed for modulating control of chilled or hot water systems. It provides fail-safe safety and precise hydronic flow regulation.
Features
- Spring return fail-safe operation for emergency position safety
- Modulating DC 2…10 V control signal for precise flow regulation
- Stainless steel trim for maximum durability and corrosion resistance
- IP54 / NEMA 2 protective housing for the actuator
Specifications
- Valve Size: 1″ [DN 25]
- Cv: 19
- Close-off Pressure: 200 psi
- Pattern: 2-way
- Trim: Stainless steel
- Actuator Type: Spring return
- Control Signal: DC 2…10 V
- Nominal Voltage: AC/DC 24 V
Applications
- Modulating flow control in air handling units and fan coil systems
- Chilled water and hot water HVAC hydronic loops



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