Description
Overview
The Belimo B250 is a high-performance 2-inch, 2-way ball valve engineered for precision flow control in commercial and industrial HVAC hydronic systems. Featuring an equal percentage flow characteristic, the B250 delivers consistent, proportional control across its full operating range — making it ideal for chilled water and hot water applications where accurate temperature regulation is critical.
Key Features
- 2-inch NPT end connections for straightforward installation into standard piping systems
- 57 Cv flow coefficient for high-capacity flow management
- 2-way, equal percentage flow characteristic for precise, proportional control
- Nickel-plated forged brass body for superior corrosion resistance and long service life
- Stainless steel ball and stem for durability and reliable sealing performance
- Rated for chilled water and hot water service up to 212°F maximum
- Compatible with glycol solutions up to 60% concentration
Construction & Materials
- Body: Nickel-plated forged brass
- Ball and stem: Stainless steel
- Connection type: NPT (National Pipe Thread)
- Valve size: 2 inches
Performance Specifications
- Flow coefficient (Cv): 57
- Flow characteristic: Equal percentage
- Configuration: 2-way
- Maximum fluid temperature: 212°F
- Glycol compatibility: Up to 60% solution
Applications
- Chilled water systems
- Hot water heating systems
- Hydronic HVAC systems
- Commercial and industrial building automation
- Systems utilizing glycol antifreeze solutions
Why Choose the Belimo B250?
Belimo is a globally recognized leader in valve and actuator technology. The B250 ball valve pairs seamlessly with Belimo actuators to form a complete, reliable control assembly. Its robust nickel-plated brass body and stainless steel internals ensure long-term performance even in demanding hydronic environments, while the equal percentage flow characteristic provides the precise modulation needed for efficient system operation.







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