Overview
The Belimo B222+LF24-SR US is a 1-inch, 2-way characterized control valve (CCV) assembly paired with a spring-return actuator designed for precise, fail-safe hydronic flow modulation.
Features
- Characterized control valve with equal percentage flow characteristics
- Spring-return actuator for emergency fail-safe positioning
- Stainless steel trim and ball for corrosion resistance and longevity
- NPT threaded female connections for quick installation
Specifications
- Valve Size: 1 inch (2-way)
- Flow Coefficient (Cv): 7.4
- Nominal Voltage: AC/DC 24 V
- Control Signal: Modulating 2-10 VDC
- Fail-Safe Function: Spring Return
Applications
- Proportional flow control of hot and chilled water in HVAC systems
- Air handling units, fan coil units, and central plant equipment
- Variable flow hydronic heating and cooling loops





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