Overview
The Belimo B225+LF120 US is a 1-inch 2-way Characterized Control Valve (CCV) assembly paired with an LF120 US spring return valve actuator for fail-safe, line-voltage on/off control.
Features
- Characterized control disc produces linear flow characteristics for predictable control
- Mechanical spring return guarantees fail-safe closed or open positioning on power loss
- High close-off pressure capability prevents leakage
- Line voltage (120 VAC) operation eliminates need for external step-down transformers
Specifications
- Valve Size: 1 inch (DN 25)
- Flow Coefficient: Cv 30
- Angle of Rotation: 90°
- Close-off Pressure: 200 psi
- Nominal Voltage: AC 120 V
- Actuator Type: Spring Return
Applications
- Fail-safe hot and chilled water control in air handlers, fan coils, and unit ventilators
- Hydronic zone isolation in commercial building management systems



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