Overview
The Belimo B219B is a 3/4 inch 2-way characterized control valve offering a high Cv rating of 10 and chrome-plated brass trim. It provides accurate flow modulation and reliable bubble-tight shut-off in hydronic HVAC environments.
Features
- Characterized insert for precise equal percentage flow modulation
- Chrome-plated brass trim for efficient and economical performance
- Self-cleaning ball mechanism prevents debris accumulation
- Maintenance-free operation across its entire service life
Specifications
- Valve Size: 0.75 inch [20 mm]
- Pattern: 2-way
- Cv: 10
- Trim: Chrome plated brass
- End Fitting: Internal thread NPT
- Close-off Pressure: 200 psi
- Controllable Flow Range: 75°
- Fluid Compatibility: Chilled or hot water, up to 60% glycol
Applications
- Heating and cooling coil regulation in air handlers
- Fan coil units and unit ventilators
- Hydronic bypass loops and VAV box reheat coils


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