Overview
The Belimo B223+LF120 US is a high-capacity 1-inch, 2-way characterized control valve with a 120V spring-return actuator designed for on/off fail-safe hydronic applications.
Features
- Line-voltage 120V AC operation eliminating step-down transformers
- Spring-return fail-safe mechanism ensures positive shut-off
- High flow capacity with Cv 10 rating for elevated flow demands
- Heavy-duty forged brass body with stainless steel trim
Specifications
- Valve Size: 1 inch (2-way)
- Flow Coefficient (Cv): 10.0
- Actuator Torque: 35 in-lb
- Nominal Voltage: AC 120 V
- Control Type: On/Off
Applications
- On/off fail-safe control in high-flow commercial HVAC loops
- Heating and chilled water systems powered directly by 120V mains
- Emergency isolation and primary water coil control




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