Description
The Belimo B317 is a precision-engineered 3-way ball valve designed for demanding chilled water and hot water HVAC applications. Built with a nickel plated forged brass body and a stainless steel ball and stem, this valve delivers long-lasting corrosion resistance and reliable performance in commercial and industrial hydronic systems.
Key Features
- 3/4″ NPT connection for straightforward installation into standard piping systems
- 4.7 Cv flow coefficient for accurate flow control and system balancing
- 3-way valve configuration for mixing or diverting applications
- A-port: Equal Percentage flow characteristic for precise modulating control
- B-port: Modified flow characteristic engineered for constant common port flow
- Nickel plated forged brass body for superior corrosion resistance and durability
- Stainless steel ball and stem for long service life in wet hydronic environments
- Rated for chilled water and hot water service up to 250°F maximum
Application
The B317 is ideal for use in fan coil units, air handling units, and other hydronic terminal equipment where precise water flow control is required. The equal percentage A-port characteristic makes it well-suited for modulating control with Belimo actuators, providing stable and efficient system response across the full range of operation. The modified B-port flow characteristic ensures a near-constant flow through the common port, simplifying system design and improving overall hydronic balance.
Specifications
- Brand: Belimo
- Model: B317
- Valve Type: Ball Valve, 3-Way
- Connection Size: 3/4″
- Connection Type: NPT (National Pipe Thread)
- Flow Coefficient (Cv): 4.7
- A-Port Flow Characteristic: Equal Percentage
- B-Port Flow Characteristic: Modified (Constant Common Port Flow)
- Body Material: Nickel Plated Forged Brass
- Ball and Stem Material: Stainless Steel
- Maximum Temperature: 250°F
- Media: Chilled Water, Hot Water
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