Belimo B208B Valve

The Belimo B208B Valve is a high-performance 1/2 inch 2-way Characterized Control Valve (CCV) engineered for precise hydronic flow control in commercial HVACR systems. Designed with a 0.46 Cv rating and a nickel-plated forged brass body, this valve utilizes a specialized Tefzel characterizing disc to maintain a true equal percentage flow characteristic. This design effectively prevents control loop hunting and ensures stable performance under light load conditions in primary or secondary loops. The chrome-plated brass ball and nickel-plated brass stem provide reliable operation for chilled or hot water applications, withstanding fluid temperatures up to 212°F and glycol solutions up to 60%. With a 600 psi body pressure rating and a 200 psi close-off pressure, the B208B is ideal for managing discharge temperatures in air handling units, VAV re-heat coils, and fan coil units. Its NPT female threaded connections allow for seamless integration with standard piping and Belimo actuators.

• Precise Flow Regulation: The equal percentage flow curve provides linear heat output for superior temperature stability.
• High Close-Off Capacity: Rated for 200 psi close-off, preventing unwanted leakage and energy waste in variable flow systems.
• Durable Construction: Features a nickel-plated forged brass body and PTFE seats for extended service life in demanding hydronic environments.
• Versatile Compatibility: Safely handles 60% glycol solutions and a wide fluid temperature range for heating and cooling cycles.

Is the Belimo B208B suitable for steam applications?
No, this specific model is designed for chilled or hot water and glycol solutions. For steam, a different valve series with compatible trim must be selected.

What is the proper installation orientation for this 2-way valve?
The valve should be installed with the characterizing disc upstream to ensure the intended flow characteristic and prevent turbulence issues.

Which actuators are compatible with the B208B?
This valve is designed to pair with Belimo TR, LRB, and TFRB series actuators, allowing for non-spring return or fail-safe operation depending on your sequence of operations.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.