Description
The Belimo ZONE320N-50 is a precision-engineered 3-way zone valve designed for hydronic heating and cooling systems where dependable flow control is essential. With a 3/4-inch NPT female connection and a flow coefficient (Cv) of 5.0, this valve delivers accurate mixing or diverting performance across a wide range of commercial and residential HVAC applications.
Built to Belimo’s industry-leading quality standards, the ZONE320N-50 is ideal for use in fan coil units, air handling units, and terminal unit applications where zone-by-zone temperature control is required. Its robust construction ensures long service life and consistent performance in demanding hydronic environments.
Key Features
- 3-way valve configuration for mixing or diverting hydronic flow
- 3/4″ NPT female end connections for straightforward installation
- Flow coefficient (Cv) of 5.0 for precise flow regulation
- Designed for compatibility with Belimo actuators for automated zone control
- Suitable for heating and cooling hydronic systems
- Durable construction for long-term, reliable operation
- Compact design for easy integration in tight mechanical spaces
Typical Applications
- Fan coil unit (FCU) hydronic zone control
- Air handling unit (AHU) coil control
- Terminal unit heating and cooling circuits
- Commercial and residential hydronic zoning systems
- Building automation and energy management systems
Product Specifications
- Brand: Belimo
- Model: ZONE320N-50
- Valve Type: 3-Way
- Connection Type: NPT Female
- Pipe Size: 3/4″
- Flow Coefficient (Cv): 5.0







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