Description
The Belimo B320 is a high-performance 3-way ball valve engineered for demanding chilled and hot water HVAC applications. Built with a nickel-plated forged brass body and a stainless steel ball and stem, this valve delivers exceptional corrosion resistance and long-term durability in both heating and cooling systems.
Flow Characteristics
The B320 features a dual-port flow design optimized for precise hydronic control:
- A-Port: Equal percentage flow characteristic for accurate, proportional flow modulation
- B-Port: Modified flow characteristic engineered to maintain constant flow at the common port, ensuring system balance and consistent performance
Key Specifications
- Valve Type: 3-Way Ball Valve
- Pipe Size: 3/4″ NPT
- Flow Coefficient (Cv): 14
- Body Material: Nickel-Plated Forged Brass
- Ball and Stem Material: Stainless Steel
- Maximum Temperature Rating: 250°F
- Connection Type: NPT (National Pipe Thread)
- Application: Chilled Water and Hot Water Systems
Design & Construction
The nickel-plated forged brass body provides superior strength and resistance to corrosion, making the B320 suitable for a wide range of hydronic system fluids. The stainless steel ball and stem ensure smooth, reliable operation over extended service life, even under high-temperature conditions up to 250°F.
Applications
- Fan coil units and air handling units
- Chilled water cooling coil control
- Hot water heating coil control
- Hydronic mixing and diverting applications
- Commercial and industrial HVAC systems
Why Choose the Belimo B320?
Belimo is a globally recognized leader in valve and actuator technology. The B320 is designed to pair seamlessly with Belimo actuators, providing a complete, factory-matched valve-actuator assembly for precise flow control. Its robust construction and dual-port flow engineering make it an ideal choice for engineers and contractors seeking reliable, long-lasting hydronic control solutions.
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