Overview
The Belimo B222+LF120 US is a 1-inch, 2-way characterized control valve paired with a 120V spring-return actuator engineered for standard line-voltage fail-safe hydronic control.
Features
- Line-voltage 120V AC spring-return actuator operation
- True fail-safe action returns valve to safe position during power failure
- High-torque motor with characterized valve disc for accurate flow control
- NPT threaded female connections for standard piping installation
Specifications
- Valve Size: 1 inch (2-way)
- Flow Coefficient (Cv): 7.4
- Actuator Torque: 35 in-lb
- Nominal Voltage: AC 120 V
- Control Type: On/Off
Applications
- Line-voltage on/off hydronic valve control in commercial facilities
- Heating and cooling water coils requiring fail-safe shutoff
- Industrial and institutional HVAC building control systems





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