Description
The Belimo B280 is a heavy-duty 3-inch NPT, 2-way ball valve engineered for reliable flow control in commercial and industrial hydronic systems. Featuring an equal percentage flow characteristic and an impressive 170 Cv flow coefficient, this valve delivers precise, repeatable modulation across a wide range of chilled water and hot water applications.
Durable Construction
Built to perform in demanding environments, the B280 combines a nickel-plated forged brass body with a stainless steel ball and stem. This corrosion-resistant construction ensures long service life and dependable performance in both chilled and hot water systems, as well as glycol solutions up to 60% concentration.
Key Specifications
- Valve Type: Ball Valve, 2-Way
- Pipe Size: 3 inch
- Connection Type: NPT (Threaded)
- Flow Coefficient (Cv): 170
- Flow Characteristic: Equal Percentage
- Body Material: Nickel-Plated Forged Brass
- Ball and Stem Material: Stainless Steel
- Maximum Temperature: 212°F
- Glycol Compatibility: Up to 60% Glycol Solution
Ideal Applications
- Chilled water systems
- Hot water heating systems
- Glycol-based hydronic systems (up to 60% concentration)
- Commercial HVAC air handling units
- Fan coil units and terminal equipment
Why Choose the Belimo B280?
Belimo is a globally recognized leader in HVAC valve and actuator technology. The B280 is designed to pair seamlessly with Belimo actuators, offering a complete, factory-matched valve-actuator solution. The equal percentage flow characteristic provides excellent controllability across the full operating range, making it ideal for variable flow hydronic systems where precise temperature control is critical.







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