Overview
The Belimo B222+LF24-S US consists of a 1″ 2-way characterized control valve with a 24V spring-return on/off actuator and an auxiliary switch. It provides simple, effective fail-safe control for medium coil loads.
Features
- Simple On/Off control operation with automatic spring return fail-safe
- Built-in SPDT auxiliary switch for status indication or interlock function
- Characterized valve port ensures stable hydronic flow
- Robust construction with stainless steel trim and ball
Specifications
- Valve Size: 1″ NPT
- Flow Coefficient (Cv): 7.4
- Nominal Voltage: AC/DC 24 V
- Control Signal: On/Off
- Auxiliary Switch: 1 x SPDT
Applications
- Two-position control of hot or chilled water coils
- Air handling units and central hydronic heating/cooling loops
- Systems requiring fail-safe action and end-switch feedback


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