Description
Belimo B309B 3-Way Ball Valve Overview
The Belimo B309B is a precision-engineered 3-way ball valve designed for reliable flow control in chilled and hot water hydronic systems. Built with a nickel plated forged brass body, a chrome plated brass ball, and a nickel plated brass stem, this valve delivers exceptional durability and corrosion resistance in demanding HVAC applications. With a 1/2″ NPT connection and a compact Cv of 0.8, the B309B is well suited for terminal unit and fan coil applications where accurate flow modulation is critical.
Key Features
- 1/2″ NPT connection for easy field installation
- 0.8 Cv flow coefficient for precise flow control in small-capacity systems
- 3-way configuration with A-port equal percentage flow characteristic for smooth, proportional modulation
- B-port modified flow characteristic engineered for constant common port flow, maintaining system balance
- Nickel plated forged brass body for superior strength and corrosion resistance
- Chrome plated brass ball for long service life and tight shutoff
- Nickel plated brass stem for enhanced durability and smooth actuation
- Rated for chilled water and hot water service up to 250°F maximum
- Designed to pair with Belimo actuators for full automated control
Applications
- Fan coil units and terminal unit control
- Chilled water cooling coil bypass and mixing
- Hot water heating coil bypass and mixing
- Commercial and light industrial hydronic systems
Specifications
- SKU: B309B
- Brand: Belimo
- Valve Type: Ball Valve, 3-Way
- Connection Size: 1/2″ NPT
- Cv: 0.8
- A-Port Flow Characteristic: Equal Percentage
- B-Port Flow Characteristic: Modified for Constant Common Port Flow
- Body Material: Nickel Plated Forged Brass
- Ball Material: Chrome Plated Brass
- Stem Material: Nickel Plated Brass
- Maximum Temperature: 250°F
- Media: Chilled Water, Hot Water
Reviews
There are no reviews yet.