Belimo B221B+LF24-SR | CCV | 0.75 | 2 Way | 24 Cv | w/ Spg Rtn | 24V | 2-10V

Product Description

The Belimo B221B+LF24-SR is a control valve suitable for a variety of HVAC applications. This valve is commonly used in air handling units for heating or cooling coils and is compatible with fan coil unit systems. Other applications include unit ventilators and VAV box reheat coils. It is designed for hydronic systems that use variable flow.

• Two-way valve design for efficient fluid control.
• Compatible with chilled or hot water systems.
• Spring return actuator type for reliable operation.

Product Highlights

The B221B+LF24-SR is engineered for consistent performance across multiple heating and cooling scenarios.

Product Information

Standard Information

• Brand: Belimo
• MPN: B221B+LF24-SR

Technical Specifications

• Valve Size: 0.75 inches [20]
• Cv: 24
• Fluid: Chilled or hot water up to 60% glycol
• Angle of Rotation: 90 degrees
• End Fitting: Internal thread
• Pattern: 2-way
• Pressure Independent: No
• Trim: Chrome plated brass
• Actuator Type: Spring return
• Voltage AC/DC: 24V
• Degree of Protection: IP54 NEMA2
• Power Consumption (Holding): 1 W
• Power Consumption (Running): 2.5 W
• Running Time (Fail-safe): Less than 25 seconds
• Running Time (Motor): 150 seconds / 90 degrees