Overview
The Belimo B222+LF24 US is a 1-inch, 2-way characterized control valve combination featuring a 24V spring-return actuator for on/off fail-safe hydronic management.
Features
- Spring-return fail-safe action closes or opens valve on power failure
- Equal percentage flow characterization for smooth control
- Heavy-duty forged brass body with stainless steel internals
- Standard 24V AC/DC power requirements
Specifications
- Valve Size: 1 inch (2-way)
- Flow Coefficient (Cv): 7.4
- Actuator Torque: 35 in-lb
- Nominal Voltage: AC/DC 24 V
- Control Type: On/Off
Applications
- On/off fail-safe water isolation and coil control in HVAC systems
- Commercial building heating and air conditioning loops
- Emergency safety shut-off hydronic applications





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