Belimo B347 Valve
The Belimo B347 is a high-performance 2-inch 3-way characterized control valve (CCV) engineered for precise modulation in hydronic HVAC systems. Designed with a 29 Cv rating, this valve features a nickel-plated forged brass body and a stainless steel ball and stem, ensuring long-term reliability in both chilled and hot water applications up to 250°F. The A-port provides an equal percentage flow characteristic for linear heat output, while the B-port is modified to maintain constant common port flow, making it an ideal choice for mixing or diverting configurations in air handling units and fan coil loops. With its NPT female connections and compatibility with glycol solutions up to 60%, the B347 valve eliminates the control loop "hunting" often associated with standard ball valves, providing the stability required for modern building automation systems (BAS) and high-demand commercial mechanical rooms.
Key Benefits- Precise Flow Control: The Tefzel characterized disc ensures an equal percentage flow in the A-port, matching the heat exchanger's characteristic for stable temperature control.
- Superior Durability: Equipped with a stainless steel ball and EPDM O-rings to resist scaling and corrosion in varied water chemistries.
- High Close-Off Pressure: Rated for a 200 psi close-off (ANSI Class IV leakage for Port A), preventing unwanted bypass and energy waste.
- Application Versatility: Suitable for variable or constant flow systems, including unit ventilators, VAV box reheat coils, and bypass loops.
- Installation Efficiency: Use of 2" NPT threads and a maintenance-free design allows for streamlined field installation and reduced contractor labor.
Is the Belimo B347 suitable for steam applications?
No, this valve is designed specifically for chilled or hot water and hydronic systems with a maximum temperature of 250°F. It is not rated for steam service.
Can I use this valve as a change-over valve?
The B347 is a characterized control valve optimized for modulation; it is not recommended for use as a dedicated change-over valve where high-speed switching is the primary requirement.
What actuators are compatible with the B347?
This 2-inch valve is typically paired with Belimo ARB, ARX, or AFRB series actuators. Always verify the torque requirements and control signal (2-10V, Floating, or On/Off) for your specific sequence of operations.
This item is not eligible for free shipping.
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.
Original: $389.87
-65%$389.87
$136.45Belimo B347 Valve
The Belimo B347 is a high-performance 2-inch 3-way characterized control valve (CCV) engineered for precise modulation in hydronic HVAC systems. Designed with a 29 Cv rating, this valve features a nickel-plated forged brass body and a stainless steel ball and stem, ensuring long-term reliability in both chilled and hot water applications up to 250°F. The A-port provides an equal percentage flow characteristic for linear heat output, while the B-port is modified to maintain constant common port flow, making it an ideal choice for mixing or diverting configurations in air handling units and fan coil loops. With its NPT female connections and compatibility with glycol solutions up to 60%, the B347 valve eliminates the control loop "hunting" often associated with standard ball valves, providing the stability required for modern building automation systems (BAS) and high-demand commercial mechanical rooms.
Key Benefits- Precise Flow Control: The Tefzel characterized disc ensures an equal percentage flow in the A-port, matching the heat exchanger's characteristic for stable temperature control.
- Superior Durability: Equipped with a stainless steel ball and EPDM O-rings to resist scaling and corrosion in varied water chemistries.
- High Close-Off Pressure: Rated for a 200 psi close-off (ANSI Class IV leakage for Port A), preventing unwanted bypass and energy waste.
- Application Versatility: Suitable for variable or constant flow systems, including unit ventilators, VAV box reheat coils, and bypass loops.
- Installation Efficiency: Use of 2" NPT threads and a maintenance-free design allows for streamlined field installation and reduced contractor labor.
Is the Belimo B347 suitable for steam applications?
No, this valve is designed specifically for chilled or hot water and hydronic systems with a maximum temperature of 250°F. It is not rated for steam service.
Can I use this valve as a change-over valve?
The B347 is a characterized control valve optimized for modulation; it is not recommended for use as a dedicated change-over valve where high-speed switching is the primary requirement.
What actuators are compatible with the B347?
This 2-inch valve is typically paired with Belimo ARB, ARX, or AFRB series actuators. Always verify the torque requirements and control signal (2-10V, Floating, or On/Off) for your specific sequence of operations.
This item is not eligible for free shipping.
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.
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Description
The Belimo B347 is a high-performance 2-inch 3-way characterized control valve (CCV) engineered for precise modulation in hydronic HVAC systems. Designed with a 29 Cv rating, this valve features a nickel-plated forged brass body and a stainless steel ball and stem, ensuring long-term reliability in both chilled and hot water applications up to 250°F. The A-port provides an equal percentage flow characteristic for linear heat output, while the B-port is modified to maintain constant common port flow, making it an ideal choice for mixing or diverting configurations in air handling units and fan coil loops. With its NPT female connections and compatibility with glycol solutions up to 60%, the B347 valve eliminates the control loop "hunting" often associated with standard ball valves, providing the stability required for modern building automation systems (BAS) and high-demand commercial mechanical rooms.
Key Benefits- Precise Flow Control: The Tefzel characterized disc ensures an equal percentage flow in the A-port, matching the heat exchanger's characteristic for stable temperature control.
- Superior Durability: Equipped with a stainless steel ball and EPDM O-rings to resist scaling and corrosion in varied water chemistries.
- High Close-Off Pressure: Rated for a 200 psi close-off (ANSI Class IV leakage for Port A), preventing unwanted bypass and energy waste.
- Application Versatility: Suitable for variable or constant flow systems, including unit ventilators, VAV box reheat coils, and bypass loops.
- Installation Efficiency: Use of 2" NPT threads and a maintenance-free design allows for streamlined field installation and reduced contractor labor.
Is the Belimo B347 suitable for steam applications?
No, this valve is designed specifically for chilled or hot water and hydronic systems with a maximum temperature of 250°F. It is not rated for steam service.
Can I use this valve as a change-over valve?
The B347 is a characterized control valve optimized for modulation; it is not recommended for use as a dedicated change-over valve where high-speed switching is the primary requirement.
What actuators are compatible with the B347?
This 2-inch valve is typically paired with Belimo ARB, ARX, or AFRB series actuators. Always verify the torque requirements and control signal (2-10V, Floating, or On/Off) for your specific sequence of operations.
This item is not eligible for free shipping.
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.
