Overview
The Belimo B250 is a 2-inch 2-way Characterized Control Valve (CCV) built to deliver dependable flow modulation in commercial and industrial HVAC systems. It offers equal percentage flow characteristics for accurate temperature control.
Features
- Tefzel characterized disc for predictable, proportional flow
- Forged brass body construction with stainless steel trim
- Low torque requirement for efficient actuator pairing
- Prevents hydronic system hunting and energy waste
- Tight shut-off performance prevents unintended fluid pass-through
Specifications
- Valve Size: 2 inches [DN 50]
- Flow Coefficient (Cv): 57
- Pattern: 2-way
- Close-off Pressure: 200 psi
- Controllable Flow Range: 75°
- End Fitting: Internal thread (NPT)
Applications
- Chilled water and hot water HVAC hydronic circuits
- Air handling unit coil fluid modulation
- Unit ventilators and hydronic heating loops


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