Overview
The Belimo B221B is a 3/4 inch 2-way characterized control valve designed for maximum flow performance with a 24 Cv rating and chrome-plated brass trim. It is ideal for commercial hydronic systems requiring full flow capability and accurate control.
Features
- High Cv rating of 24 for full-port, low-pressure drop operation
- Equal percentage characteristic for smooth, responsive modulation
- Chrome-plated brass ball and stem for reliable long-term service
- Maintenance-free self-cleaning ball design
Specifications
- Valve Size: 0.75 inch [20 mm]
- Pattern: 2-way
- Cv: 24
- 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
- High-capacity fan coil units and air handlers
- Hydronic heating and chilled water supply lines
- HVAC system bypass and variable flow loops


Reviews
There are no reviews yet.