Belimo B350+AFRBUP 2-Way Characterized Control Valve 2 Inch 57 Cv with Spring Return Actuator

The Belimo B350+AFRBUP is a 2-inch, 3-way characterized control valve with integrated spring return actuator, designed for precise flow control in HVAC systems. This valve assembly combines the B350 bronze valve body with the AFRBUP electric actuator for reliable on/off control applications.

Key Specifications:

• Valve size: 2 inches (50mm)
• Flow coefficient (Cv): 57
• Configuration: 3-way mixing/diverting valve
• Actuator type: Spring return, 2-position on/off control
• Voltage: Universal 24-240V AC/DC
• Connection type: Threaded NPT
• Body material: Bronze with stainless steel trim
• Fail-safe operation: Spring return ensures valve returns to default position on power loss

Features & Benefits:

• Characterized valve design provides linear flow characteristics for better control
• Wide voltage range (24-240V) simplifies installation and reduces inventory needs
• Spring return mechanism ensures safe fail position during power interruptions
• Durable bronze construction suitable for chilled water, hot water, and glycol solutions
• Belimo quality engineering ensures long service life and reliable performance

Ideal for commercial HVAC applications including heating and cooling coil control, heat exchangers, and hydronic distribution systems where dependable 2-position control is required.