Belimo B249+AFRB24-SR 2-Inch Spring Return Actuator with 2-Way Control Valve

The Belimo B249+AFRB24-SR is a high-performance spring return actuator paired with a 2-inch stainless steel trim 2-way characterized control valve, designed for precise control of heating and cooling systems in commercial HVAC applications.

Key Specifications:

• Valve Size: 2 inches with stainless steel trim for corrosion resistance
• Flow Coefficient (Cv): 46 for high flow capacity
• Actuator Torque: 180 in-lb (20 Nm) provides reliable operation
• Control Signal: 2-10 VDC modulating input for precise positioning
• Power Supply: 24 VAC/DC
• Spring Return: Fail-safe spring return to normally closed position on power loss
• 2-Way Characterized Control Valve (CCV) for linear flow control

Features & Benefits:

• Stainless steel trim construction ensures long-term durability in demanding water applications
• Spring return functionality provides automatic valve closure during power failure for system safety
• High torque output ensures positive shutoff and reliable control even under high differential pressure
• Modulating 2-10 VDC control enables precise flow regulation for optimal energy efficiency
• Factory-assembled valve and actuator combination simplifies installation and commissioning

This Belimo control valve assembly is ideal for hydronic heating and cooling systems, chilled water applications, and hot water distribution systems requiring dependable proportional control and fail-safe operation.