Description
The Belimo B309 is a precision-engineered 3-way ball valve designed for reliable flow control in commercial and industrial chilled water and hot water HVAC systems. Built to withstand demanding hydronic applications, this valve delivers consistent performance and long service life.
Key Features
- 1/2″ NPT pipe connection for easy installation into standard threaded piping systems
- 3-way configuration for versatile mixing or diverting flow applications
- 0.8 Cv flow coefficient for precise flow regulation in smaller-diameter systems
- A-port Equal Percentage flow characteristic for accurate, proportional flow control
- B-port Modified flow characteristic engineered for constant common port flow, ensuring stable system performance
- Nickel Plated Forged Brass body for superior corrosion resistance and durability
- Stainless Steel ball and stem for long-lasting, low-maintenance operation
- Rated for chilled water and hot water applications up to 250°F maximum
Construction & Materials
- Body: Nickel Plated Forged Brass
- Ball and Stem: Stainless Steel
- Connection Type: NPT (National Pipe Thread)
- Pipe Size: 1/2″
Flow Characteristics
- A-port: Equal Percentage Flow — ideal for modulating control applications requiring proportional response
- B-port: Modified flow profile — maintains consistent flow at the common port regardless of valve position
- Cv: 0.8
Application Suitability
- Chilled water systems
- Hot water heating systems
- Maximum fluid temperature: 250°F
- Compatible with Belimo actuators for automated control in building automation and HVAC zoning applications
The Belimo B309 is the ideal valve body for pairing with Belimo electric actuators, enabling precise automated control in VAV systems, fan coil units, air handling units, and hydronic zone control applications. Its robust brass and stainless steel construction ensures leak-free performance across years of continuous service.
Reviews
There are no reviews yet.