Description
Belimo B211+LRB24-3 Overview
The Belimo B211+LRB24-3 is a factory-assembled 2-way valve and actuator combination engineered for reliable flow control in commercial HVAC hydronic systems. The assembly pairs the B211 characterized control valve body — featuring a close-off (CCv) flow characteristic, stainless steel trim, and 1/2″ NPT end connections — with the LRB24-3 non-spring-return rotary actuator, delivering a complete, ready-to-install solution.
Valve Specifications
- Configuration: 2-Way
- Flow Characteristic: Equal Percentage (CCv / Characterized Control Valve)
- Trim Material: Stainless Steel
- Connection Type: 1/2″ NPT
- Flow Coefficient (Cv): 1.9
Actuator Specifications
- Model: LRB24-3 (Non-Spring Return)
- Torque Rating: 45 in-lb
- Control Mode: On/Off and Floating Point (3-point)
- Supply Voltage: 24 Vac / 24 Vdc
- Mounting: Direct-coupled, no linkage required
Key Features & Benefits
- Pre-assembled valve and actuator combination reduces installation time and eliminates compatibility concerns
- Stainless steel trim provides excellent corrosion resistance for demanding hydronic applications
- Non-spring-return design holds last position on power loss, ideal for energy-saving applications
- On/Off and floating point control modes offer broad compatibility with building automation and HVAC control systems
- Compact, direct-coupled actuator simplifies installation in tight mechanical spaces
- Dual voltage compatibility (24 Vac and 24 Vdc) adds installation flexibility
- Belimo’s proven characterized control valve technology ensures accurate, repeatable flow regulation
Typical Applications
- Fan coil units (FCUs)
- Air handling units (AHUs)
- Heat exchangers
- Terminal heating and cooling equipment
- Building automation and energy management systems







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