Description
The Belimo B312 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 durability and corrosion resistance in both heating and cooling systems.
The B312 features dual-port flow characteristics to optimize system performance: the A-port uses an equal percentage flow characteristic for precise modulating control, while the B-port is modified for constant common port flow, ensuring stable and predictable hydronic system behavior across varying load conditions.
Key Features
- 3-way ball valve configuration for mixing or diverting applications
- 1/2″ NPT pipe connection for easy installation
- 3.0 Cv flow coefficient for accurate flow sizing
- A-port: Equal percentage flow characteristic for precise modulating control
- B-port: Modified flow characteristic for constant common port flow
- Nickel plated forged brass body for superior corrosion resistance
- Stainless steel ball and stem for extended service life
- Rated for chilled water and hot water applications
- Maximum operating temperature: 250°F
Applications
- Chilled water fan coil units and air handling units
- Hot water heating coils and terminal units
- Hydronic mixing and diverting systems
- Commercial HVAC building automation systems
Specifications
- Brand: Belimo
- SKU: B312
- Pipe Size: 1/2″
- Connection Type: NPT
- Valve Type: 3-Way Ball Valve
- Flow Coefficient (Cv): 3.0
- A-Port Flow Characteristic: Equal Percentage
- B-Port Flow Characteristic: Modified for Constant Common Port Flow
- Body Material: Nickel Plated Forged Brass
- Ball and Stem Material: Stainless Steel
- Maximum Temperature: 250°F
- Suitable Media: Chilled Water, Hot Water
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