Belimo B309B+LF24 Brass Ball Valve Cv with Actuator HVAC Control Valves & Actuators - 3-Way 0.5 0.8 24V

The Belimo B309B+LF24 is a compact 3-way brass ball valve assembly designed for precise on/off control in HVAC hydronic systems. This lead-free brass valve features a 1/2-inch NPT connection size with a flow coefficient (Cv) of 0.8, making it ideal for small zone control and mixing applications in residential and light commercial heating and cooling systems.

Key Features:

• 3-way configuration for diverting or mixing service in hydronic applications
• Lead-free brass construction meeting NSF/ANSI 61 and 372 standards for potable water safety
• Integrated LF24 electric actuator with 24V AC/DC operation for reliable on/off control
• Spring return mechanism ensures fail-safe positioning during power loss
• 0.8 Cv rating provides precise flow control for small capacity systems
• Compact design with direct-mount actuator for space-efficient installation
• 2-position control (open/closed) with reliable ball valve technology

This valve assembly combines Belimo's B309B lead-free brass valve body with the LF24 non-spring return actuator, delivering dependable performance for radiant heating, fan coil units, unit heaters, and small hydronic zones. The 1/2-inch size is perfect for terminal equipment and individual room control applications where space is limited.