Description
The Belimo B264 is a heavy-duty 2-way ball valve engineered for reliable flow control in commercial and industrial HVAC hydronic systems. Designed to handle both chilled and hot water applications, this valve delivers consistent, precise performance across a wide range of operating conditions.
Key Features
- 2-1/2″ NPT end connections for straightforward installation into standard piping systems
- 150 Cv flow coefficient for high-capacity flow in larger hydronic circuits
- 2-way, equal percentage flow characteristic for accurate, proportional control throughout the full stroke range
- Nickel-plated forged brass body for superior corrosion resistance and long service life
- Stainless steel ball and stem for enhanced durability and resistance to wear and corrosion
- Rated for chilled water and hot water service up to 212°F maximum
- Compatible with glycol solutions up to 60% concentration, ideal for freeze-protection applications
Application
The B264 is ideally suited for use in commercial HVAC air handling units, fan coil units, chilled beams, and hydronic heating and cooling systems where precise, modulating flow control is required. Its equal percentage flow characteristic makes it an excellent choice for variable flow systems where stable control is critical across a wide load range.
Construction & Materials
- Body: Nickel-plated forged brass
- Ball and stem: Stainless steel
- Connection type: NPT (National Pipe Thread)
- Valve size: 2-1/2″
- Flow characteristic: Equal percentage
- Configuration: 2-way
Specifications
- Valve size: 2-1/2″
- Connection: NPT
- Cv rating: 150
- Flow type: 2-way, equal percentage
- Maximum fluid temperature: 212°F
- Glycol compatibility: Up to 60% solution
- Media: Chilled water, hot water, glycol solutions
Pair the Belimo B264 with a compatible Belimo actuator (sold separately) to complete your valve and actuator assembly for automated flow control in your HVAC system.







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