Overview
The Belimo B238 is a 1.5 inch 2-way characterized control ball valve featuring a 19 Cv rating and stainless steel trim. It is designed to deliver precise flow control in larger diameter commercial HVAC hydronic lines.
Features
- Equal percentage flow modulation for optimized thermal control
- Stainless steel ball and stem for enhanced corrosion protection
- Maintenance-free self-cleaning ball structure
- High close-off capability up to 200 psi
Specifications
- Valve Size: 1.5 inch [40 mm]
- Pattern: 2-way
- Cv: 19
- Trim: Stainless steel
- 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
- Large air handling unit coil regulation
- Hydronic zone control and central heating lines
- Chilled water distribution and bypass circuits


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