BELIMO Valves Manifolds TF24-SR B213B6TF24SRUS

( Brand: Belimo ), ( Manufacturer Part Number: B213B6 ), ( Part Type: Valve Manifold )

Review BELIMO Us Used

The **Belimo B213B6-TF24-SR B213B6TF24SRUS** is a high-performance, electronically controlled pneumatic actuator designed for precise and reliable operation in demanding HVAC (Heating, Ventilation, and Air Conditioning) and building automation systems. This advanced actuator is engineered to deliver exceptional control over dampers, louvers, and other mechanical components in commercial, industrial, and institutional facilities, ensuring optimal energy efficiency, comfort, and air quality regulation. Belimo s renowned B213 series is renowned for its robust construction, seamless integration with modern building management systems (BMS), and adaptability to a wide range of applications, from variable air volume (VAV) systems to energy recovery ventilators (ERVs) and smoke control systems.

The **B213B6-TF24-SR** model features a **6-inch (150mm) shaft diameter**, providing ample torque and stability for heavy-duty dampers, including those used in large air handling units (AHUs) or exhaust systems. Its **TF24** designation indicates a **24V DC power supply requirement**, making it compatible with low-voltage control systems commonly found in contemporary smart buildings. The **SR** suffix denotes a **screw rod drive mechanism**, which ensures smooth, linear motion with minimal wear, reducing maintenance needs and extending the actuator s operational lifespan. This design is particularly advantageous in applications where precise positioning and repeatability are critical, such as in demand-controlled ventilation (DCV) or free-cooling systems.

One of the standout features of this actuator is its **integrated position feedback**, which allows for real-time monitoring and control via a **pulse-width modulation (PWM) signal** or digital communication protocols like **LON, BACnet, or Modbus**. This capability enables seamless integration with advanced building automation platforms, facilitating energy-efficient operation through features like automatic damper sequencing, fault detection, and adaptive control algorithms. The actuator s **high torque output**, combined with its **low power consumption**, makes it an ideal choice for applications where energy savings are a priority, such as in LEED-certified buildings or facilities aiming for net-zero carbon goals.

The **B213B6-TF24-SR** is constructed from high-quality materials, including a **stainless steel shaft** and a **durable aluminum housing**, which enhance its resistance to corrosion, temperature fluctuations, and environmental contaminants. This makes it suitable for installation in harsh environments, such as rooftop units, industrial plants, or facilities exposed to coastal or humid climates. Additionally, the actuator s **sealed internal components** protect against dust, moisture, and debris, ensuring reliable performance even in unconditioned spaces. The **screw rod drive** is also designed with a **self-locking mechanism**, preventing unintended movement when power is lost, which is a critical safety feature in applications involving smoke or fire dampers.

For enhanced user convenience and system reliability, the **B213B6-TF24-SR** is equipped with **multiple mounting options**, including flange, bracket, or direct shaft attachment, allowing for flexible installation in various configurations. Its **compact yet robust design** ensures minimal space requirements while maintaining high performance, making it a versatile solution for both new construction and retrofit projects. The actuator also supports **remote programming and calibration**, enabling technicians to adjust setpoints, deadbands, and control parameters without physical access to the damper, thereby reducing downtime and improving system efficiency.

In summary, the **Belimo B213B6-TF24-SR B213B6TF24SRUS** actuator represents the pinnacle of pneumatic control technology, combining precision engineering, energy efficiency, and seamless integration with modern building systems. Whether used in large commercial buildings, data centers, or industrial facilities, this actuator delivers consistent, high-performance operation while contributing to sustainable and cost-effective HVAC management. Its combination of durability, advanced feedback capabilities, and adaptability makes it an indispensable component for any facility seeking to optimize airflow, energy use, and occupant comfort.

The **Belimo B213B6-TF24-SR** is a high-performance, smart pneumatic actuator designed for HVAC (Heating, Ventilation, and Air Conditioning) systems, particularly for modulating dampers in VAV (Variable Air Volume) boxes, air handlers, and other HVAC applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Belimo B213B6-TF24-SR**

1. **High Precision and Reliability**

The B213B6 series is known for its exceptional positioning accuracy, typically within 0.5% of full stroke. This ensures consistent and repeatable control of dampers, which is critical in maintaining optimal HVAC performance and energy efficiency. Belimo actuators are widely regarded as industry leaders in precision, with a reputation for long-term reliability in demanding environments.

2. **Smart and Networkable Features**

- **Modbus RTU/RS-485** for integration with building management systems (BMS).

- **Digital position feedback** (0-10V or 4-20mA analog or digital signals).

- **Self-diagnostics and fault reporting**, allowing for predictive maintenance and reducing downtime.

The **SR** designation indicates it is a **self-regulating** actuator, meaning it adjusts its output based on load conditions, improving efficiency and reducing wear.

3. **Energy Efficiency**

The actuator s precise modulation and self-regulating capabilities help optimize airflow, reducing energy consumption by ensuring dampers operate at the most efficient position for the given load. This aligns with modern HVAC trends toward energy-efficient, smart buildings.

4. **Wide Voltage and Current Range**

The B213B6 supports a **wide input voltage range (24V DC)** and can handle **current up to 240mA**, making it compatible with most BMS and control systems without requiring additional drivers or power supplies.

5. **Durability and Environmental Resistance**

- **Wide temperature range** (typically -20 C to 85 C).

- **IP65 protection rating**, making it suitable for dusty or humid environments.

- **Corrosion-resistant materials**, ensuring longevity in industrial or commercial settings.

6. **Modular and Flexible Mounting**

The B213B6 is designed for **quick and easy installation** with multiple mounting options (flanged, shaft-mounted, or direct damper attachment). It also supports **remote mounting** via a shaft extension, providing flexibility in system design.

7. **Compatibility with Modern HVAC Systems**

The actuator is designed to work seamlessly with **VAV boxes, air handlers, and other modulating dampers**, making it a versatile choice for both new installations and retrofits. Its compatibility with **BACnet, LonWorks, and other industry-standard protocols** further enhances its appeal for large-scale HVAC projects.

8. **Low Maintenance Requirements**

Due to its robust construction and self-regulating features, the B213B6 requires minimal maintenance. The absence of brushes (in some models) reduces wear and tear, extending the actuator s lifespan.

9. **Global Support and Warranty**

Belimo is a well-established brand with a strong global support network, including authorized distributors, technical documentation, and warranty coverage. This ensures easier troubleshooting and parts replacement if needed.

10. **Future-Proofing with Smart Technology**

The TF24 protocol allows for **remote monitoring, firmware updates, and integration with IoT platforms**, making it a future-proof investment as HVAC systems evolve toward greater automation and data-driven management.

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### **Cons of the Belimo B213B6-TF24-SR**

1. **Higher Upfront Cost**

Compared to basic pneumatic or electric actuators, the B213B6-TF24-SR is **more expensive** due to its advanced features (smart communication, precision, and self-regulation). This may be a barrier for smaller projects or budget-conscious installations where simpler actuators suffice.

2. **Complex Installation and Configuration**

While the actuator is modular, its **smart features require proper setup** for communication protocols (e.g., Modbus configuration, IP addressing, and BMS integration). This may necessitate additional training for technicians or HVAC engineers, increasing installation time and potential for errors if not configured correctly.

3. **Dependence on Power Supply Stability**

As a **24V DC actuator**, it requires a stable power source. Fluctuations or power failures can disrupt operation, though some systems include backup power solutions (e.g., UPS for BMS). This is a general consideration for all electronic actuators, not unique to Belimo.

4. **Limited Mechanical Stroke Options**

The B213B6 is designed for **specific stroke lengths** (typically 0-100mm or 0-200mm, depending on the model variant). For applications requiring **unusual stroke lengths**, custom solutions or additional adapters may be needed, adding complexity or cost.

5. **Potential for Overkill in Simple Systems**

If the HVAC system does not require **high-precision modulation** (e.g., in a small residential or very basic commercial setup), the advanced features of the B213B6 may be unnecessary, making a simpler (and cheaper) actuator more practical.

6. **Compatibility with Legacy Systems**

While Belimo actuators are highly compatible with modern BMS, integrating them with **older, non-smart HVAC systems** may require additional interfaces or converters, adding to the system cost.

7. **Sensitivity to Signal Noise**

The digital communication (Modbus) can be affected by **electromagnetic interference (EMI)** or poor wiring, leading to communication errors. Proper shielding and wiring practices are essential to avoid issues.

8. **Limited Physical Size Variants**

The B213B6 is a compact actuator, which is an advantage in many cases, but for **very large dampers**, a different actuator series (e.g., B214 or B215) may be more appropriate. This limits its use in certain industrial applications.

9. **Training and Expertise Required**

The advanced features of the TF24-SR actuator mean that **technicians must be trained** to configure, troubleshoot, and maintain it effectively. This can be a drawback in organizations with limited HVAC expertise.

10. **Potential for Obsolescence**

While Belimo is a stable brand, **firmware or protocol updates** may occasionally render older models incompatible with very new BMS software. However, this is a minor concern given Belimo s long-term support.

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### **Conclusion**

The **Belimo B213B6-TF24-SR** is a **premium-grade pneumatic actuator** that excels in precision, smart functionality, and energy efficiency. It is ideal for **large-scale HVAC projects, VAV systems, and smart buildings** where accurate damper control, remote monitoring, and integration with BMS are critical. Its self-regulating capabilities and durability make it a long-term investment, though the higher cost and complexity of installation may not justify its use in simpler or smaller systems.

For **commercial, industrial, or high-end residential HVAC applications** where energy efficiency, reliability, and smart control are priorities, the B213B6-TF24-SR is an **excellent choice**. However, for **budget-sensitive or basic HVAC setups**, a simpler actuator (e.g., a basic pneumatic or electric actuator without smart features) may be more cost-effective.

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### **Recommendation**

- You are installing a **modern, energy-efficient HVAC system** (e.g., VAV boxes, air handlers, or smart buildings).

- **Precision damper control** and **BMS integration** are non-negotiable.

- You prioritize **long-term reliability, low maintenance, and smart features** (e.g., Modbus, digital feedback).

- The project budget can accommodate the **higher upfront cost** in exchange for operational savings and efficiency gains.

- The application is **small-scale or basic**, and advanced features are unnecessary.

- The **budget is constrained**, and a simpler actuator (e.g., a non-smart pneumatic or electric actuator) would suffice.

- The **HVAC system lacks a BMS**, making the smart features redundant.

- **Technical expertise for configuration and maintenance** is limited.

For most **commercial, industrial, or high-performance HVAC projects**, the **B213B6-TF24-SR is highly recommended** due to its unmatched precision, smart capabilities, and durability. However, always conduct a **cost-benefit analysis** to ensure it aligns with your specific project requirements.

Details:

BELIMO B213B6 TF24-SR US / B213B6TF24SRUS USED DISCONTINUED BY MANUFACTURER, ROTARY ACTUATOR, 24 VAC/DC, 50/60 HZ, 2.5 watts , 4 VA, 1/2 IN VALVE. The product is used surplus. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

All products are guaranteed to be working but may show signs of use. Part Number B213B6 TF24-SR US.

part #: b213b6 prices

• $80.00-$318.40

specifications valvesplumbing:

• brand: Belimo
• mpn: B213b6
• part type: Valve Manifold

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• # reviews: 188876
• city: 1 Millennium Dr, Willingboro, NJ 08046

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offer valvesplumbing:

• started: February 5, 2026
• quantity: 1
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• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

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