Description
Belimo B332L — 3-Way Ball Valve for Chilled & Hot Water Systems
The Belimo B332L is a heavy-duty 3-way ball valve engineered for reliable flow control in commercial and industrial HVAC hydronic systems. Featuring a nickel-plated brass body, chrome-plated brass ball, and nickel-plated brass stem, this valve delivers outstanding corrosion resistance and long service life in demanding chilled water and hot water applications.
Key Features
- 1-1/4″ NPT connection for straightforward threaded installation
- 3-way configuration for diverting or mixing flow in hydronic circuits
- 34 Cv flow coefficient for precise, high-capacity flow management
- Modified linear flow characteristic for improved control accuracy across the full stroke range
- Nickel-plated brass body for superior corrosion resistance
- Chrome-plated brass ball for smooth, durable operation
- Nickel-plated brass stem for added protection against wear and corrosion
- Rated for chilled water and hot water service up to 250°F maximum
- Compatible with glycol solutions up to 60% concentration
Specifications
- SKU: B332L
- Brand: Belimo
- Valve Type: Ball Valve, 3-Way
- Connection Size: 1-1/4″
- Connection Type: NPT (National Pipe Thread)
- Cv Rating: 34
- Flow Characteristic: Modified Linear
- Body Material: Nickel-Plated Brass
- Ball Material: Chrome-Plated Brass
- Stem Material: Nickel-Plated Brass
- Maximum Temperature: 250°F
- Glycol Compatibility: Up to 60% Glycol Solution
- Application: Chilled Water / Hot Water HVAC Systems
Applications
The B332L is ideal for use in a wide range of commercial HVAC hydronic applications, including fan coil units, air handling units, heat exchangers, and terminal unit control. Its 3-way design supports both mixing and diverting service, making it a versatile choice for variable-flow and constant-flow hydronic systems. The 60% glycol compatibility also makes it well-suited for freeze-protection applications in cold climates.
Why Choose Belimo?
Belimo is a globally recognized leader in HVAC valve and actuator technology. The B332L is designed to pair seamlessly with Belimo’s full line of actuators, providing a complete, factory-matched valve-actuator solution for building automation and energy management systems.







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