Belimo B211+LF120-S 1/2 Inch 2-Way Control Valve with Actuator 120V On/Off

The Belimo B211+LF120-S is a complete control valve assembly combining a 1/2-inch two-way brass ball valve with an integrated LF120-S spring return actuator. This compact control valve is designed for on/off control applications in HVAC systems, featuring a 1.9 Cv flow coefficient for precise fluid control in heating, cooling, and domestic water systems.

Key Features:

• 1/2-inch NPT threaded connections for easy installation
• Two-way brass ball valve construction with 1.9 Cv flow rating
• 120V AC spring return actuator with fail-safe positioning
• On/off (two-position) control with auxiliary switch for status monitoring
• Spring return mechanism ensures valve returns to normal position on power loss
• Compact design ideal for space-constrained applications
• Durable brass body suitable for potable water applications
• Fast acting on/off control for reliable system response

This valve assembly is ideal for zone control, isolation applications, and any HVAC system requiring reliable on/off fluid control. The integrated spring return actuator provides fail-safe operation, automatically returning the valve to its default position during power failures. The included auxiliary switch allows for remote monitoring of valve position status.