Overview
The Belimo B261 is a 2-1/2-inch 2-way Characterized Control Valve (CCV) designed for medium-to-large hydronic piping systems. It provides stable equal percentage flow control in commercial HVAC operations.
Features
- Equal percentage characterized disc for optimized temperature control
- Heavy-duty forged brass body with stainless steel trim
- High close-off capability of 100 psi
- Zero leakage design saves energy in shut-off conditions
- Self-cleaning ball reduces sediment buildup risks
Specifications
- Valve Size: 2-1/2 inches [DN 65]
- Flow Coefficient (Cv): 60
- Pattern: 2-way
- Close-off Pressure: 100 psi
- Controllable Flow Range: 75°
- End Fitting: Internal thread (NPT)
Applications
- Air handling units and central heating coils
- Commercial chilled water loops
- Variable volume hydronic distribution systems


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