Belimo B210B+TFRB120 2-Way Ball Valve Actuator Assembly | 1/2" | Normally Closed | Spring Return | 100-240V

The Belimo B210B+TFRB120 is a complete valve and actuator assembly designed for precise control in HVAC systems. This compact unit combines a 1/2-inch 2-way brass ball valve with a spring return electric actuator for reliable on/off control.

Key Specifications:

• Valve size: 1/2-inch NPT threaded connections
• Flow coefficient (Cv): 1.2
• 2-way normally closed configuration
• Spring return actuator for fail-safe operation
• Universal power supply: 100-240VAC, 50/60Hz
• On/off control (non-modulating)
• Brass valve body with chrome-plated brass ball
• Running time: typically 60-90 seconds

Features and Benefits:

• Spring return mechanism ensures valve returns to closed position upon power loss for safety
• Universal voltage allows for flexible installation worldwide
• Compact design saves space in tight mechanical rooms
• Direct mount actuator eliminates need for additional brackets
• Belimo quality ensures long service life and reliable performance

This valve assembly is ideal for hydronic heating and cooling systems, chilled water applications, and general HVAC zone control where positive shutoff and fail-safe operation are required. The normally closed configuration makes it suitable for applications requiring valve closure during power interruption.