Belimo B313B+LRB24-3-S Characterized Control Valve - 1/2 24V 2-Position

The Belimo B313B+LRB24-3-S is a 1/2-inch characterized control valve assembly designed for precision HVAC control applications. This actuator and valve package combines a spring return actuator with a brass ball valve for reliable fluid flow control in heating, cooling, and ventilation systems.

Key Specifications:

• Valve size: 1/2 inch (DN15)
• Flow coefficient (Cv): 4.7
• Voltage: 24V AC/DC
• Control type: 2-position or floating control (non-spring return configuration)
• Actuator type: LRB24-3-S rotary ball valve actuator
• Fail-safe: Spring return to fail-safe position
• Connection: Threaded NPT connections

Features:

• Characterized ball valve design provides precise flow control throughout the valve range
• Compact actuator design for easy installation in tight spaces
• Corrosion-resistant brass valve body for long service life
• Manual override for system testing and maintenance
• UL and CSA certified for safety and reliability
• Suitable for water, glycol solutions, and compatible HVAC fluids

This valve assembly is ideal for VAV boxes, fan coil units, heat exchangers, and other commercial HVAC applications requiring modulating or on/off control. The characterized valve trim ensures stable control performance with reduced noise and wear.