Belimo B350 Valve

The Belimo B350 is a high-performance 2-inch 3-way characterized control valve engineered for precise modulation in hydronic systems. Featuring a 57 Cv flow coefficient, this valve utilizes an A-port with equal percentage flow characteristics and a modified B-port for constant common port flow, ensuring stable control loop performance. The forged brass body with nickel plating and 304 stainless steel ball and stem provide superior resistance against corrosive elements in chilled or hot water systems. Rated for temperatures up to 250°F and capable of handling up to 60% glycol solutions, this NPT threaded ball valve is a reliable choice for air handling units and heat exchangers. Designed for seamless integration with Belimo rotary actuators, it eliminates the need for frequent maintenance in high-demand HVACR applications. For contractors, the blow-out proof stem and PTFE seats ensure long-term bubble-tight shut-off and operational safety under pressure.

• Precise Flow Control: The specialized A-port design provides equal percentage flow for linear heat output in coils.
• Material Durability: Stainless steel ball and stem prevent pitting and scaling, extending the life of the mixing or diverting valve.
• High Glycol Tolerance: Compatible with concentrations up to 60% glycol, ideal for low-temperature process cooling.
• Zero Leakage: Rated for ANSI Class VI leakage, minimizing energy loss and improving system efficiency.

What is the maximum pressure rating for the Belimo B350?
The B350 is rated for a close-off pressure of 200 psi and a maximum body pressure of 400 psi, making it suitable for high-rise hydronic applications.

Can this valve be used for steam applications?
No, this specific model is designed for chilled or hot water and glycol solutions only. Do not use this valve in steam loops.

Which actuators are compatible with the 2-inch B350?
This valve is compatible with Belimo ARB, ARX, and GRB series actuators, depending on the required torque and fail-safe configuration.

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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.