Belimo B320B+LF120-S Bronze Ball Valve with Spring Return Actuator HVAC Control Valves & Actuators - 3/4 3-Way 120V

The Belimo B320B+LF120-S is a complete valve and actuator assembly designed for hydronic HVAC control applications. This package combines a 3/4" lead-free bronze 3-way ball valve with a 120V on/off spring return actuator, providing reliable control for heating, cooling, and mixing applications.

Valve Specifications:

• Size: 3/4" threaded connection
• Valve coefficient (Cv): 14
• Body material: Lead-free bronze construction
• Configuration: 3-way diverting/mixing design
• Suitable for water and glycol solutions

Actuator Features:

• Power supply: 120V AC
• Control type: On/Off (2-position) operation
• Spring return for fail-safe positioning
• Auxiliary switch included for status indication
• Direct-coupled mounting for easy installation

This factory-assembled valve and actuator combination eliminates field assembly requirements and ensures proper actuator sizing. The spring return function provides automatic valve positioning during power failure, making it ideal for critical control applications in commercial and industrial HVAC systems.