Overview
The Belimo B263 is a 2-1/2-inch 2-way Characterized Control Valve (CCV) engineered for medium-to-large commercial hydronic piping applications. It ensures linear control response and dependable fluid management.
Features
- 110 Cv rating for substantial fluid flow control
- Tefzel characterized disc for smooth, repeatable flow curves
- Stainless steel trim prevents wire drawing and erosion
- Tight close-off protection up to 100 psi
- Low operating torque requirement
Specifications
- Valve Size: 2-1/2 inches [DN 65]
- Flow Coefficient (Cv): 110
- Pattern: 2-way
- Close-off Pressure: 100 psi
- Controllable Flow Range: 75°
- End Fitting: Internal thread (NPT)
Applications
- Commercial air handler cooling and heating coils
- Secondary hydronic loop flow control
- District heating and chilled water supply lines


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