HART COOLEY 38006 Round Butterfly Damper

( Brand: Hart Cooley ), ( Manufacturer Part Number: 38006 )

Review HART COOLEY And Adjustable Round Butterfly Damper

The **Hart Cooley 38006 Round Butterfly Damper** is a robust, high-performance industrial valve designed to regulate airflow with precision and reliability in demanding HVAC, ventilation, and process control applications. Engineered with a durable **cast aluminum body**, this damper combines lightweight construction with exceptional strength, ensuring long-term durability even in harsh environments where exposure to moisture, dust, or corrosive elements is a concern. The **round design** and **38-inch diameter** make it ideal for medium to large ductwork systems, providing efficient flow control while minimizing pressure drops across the system. Its **butterfly valve mechanism** features a **single-leaf, rubber-seated disc** that pivots smoothly on a central shaft, allowing for precise adjustment of airflow from fully open to fully closed with minimal resistance. The **low-profile, flush-mounted construction** ensures seamless integration into existing ductwork, reducing turbulence and maintaining optimal airflow dynamics.

For enhanced performance and safety, the damper is equipped with a **manual lever handle** for easy field adjustment, though it can also be adapted for motorized or pneumatic actuation through optional accessories, making it versatile for both manual and automated control systems. The **rubber gasket sealing** provides a tight, airtight closure when fully shut, preventing backdrafting and energy loss, while the **corrosion-resistant finish** ensures longevity in environments with high humidity or exposure to chemicals. Additionally, the **reinforced mounting flanges** are designed to accommodate standard ductwork connections, offering flexibility in installation across various industrial, commercial, or institutional settings. Whether used in **HVAC systems, fume hoods, exhaust ventilation, or process gas control**, the Hart Cooley 38006 delivers consistent, reliable operation with minimal maintenance requirements, making it a dependable choice for engineers and facility managers seeking durability and performance in airflow management.

### **Pros and Cons of buying a Hart Cooley 38006 Round Butterfly Damper**

1. **High-Quality Construction** Hart Cooley is a well-established brand known for durable, industrial-grade valves and dampers. The 38006 model is designed for long-term reliability in demanding environments, such as HVAC, plumbing, and industrial applications.

2. **Precision Engineering** The butterfly damper features a balanced design, reducing torque and wear on the actuator, which extends its operational lifespan. The round shape allows for efficient airflow or fluid control with minimal pressure loss.

3. **Versatile Applications** Suitable for a wide range of systems, including air handling units, ductwork, and piping systems. It can handle both air and liquid applications, depending on the material and configuration.

4. **Easy Installation and Maintenance** The damper is designed for straightforward installation, with standard mounting flanges (typically 2" to 12" sizes, depending on the model). It also has accessible components for routine maintenance, such as lubrication of the shaft and replacement of seals.

5. **Energy Efficiency** When properly sized and installed, a well-functioning butterfly damper helps regulate airflow, reducing energy waste in HVAC systems by preventing unnecessary pressure drops or leaks.

6. **Compatibility with Actuators** The damper is designed to work with various actuators (manual, electric, pneumatic, or hydraulic), making it adaptable to automated control systems.

7. **Corrosion Resistance Options** Depending on the material (e.g., stainless steel, carbon steel, or coated finishes), the damper can withstand harsh environments, including moisture, chemicals, or extreme temperatures.

8. **Standardized Sizing** The 38006 model follows industry standards for sizing, ensuring compatibility with existing ductwork or piping systems without requiring custom modifications.

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1. **Higher Upfront Cost** Compared to basic or generic butterfly dampers, Hart Cooley products are premium-priced. For budget-conscious projects, this may be a significant drawback unless long-term reliability is a priority.

2. **Limited Customization** While the damper is versatile, extensive customization (e.g., non-standard sizes, unique material requirements, or specialized coatings) may require additional lead time or modifications, increasing costs.

3. **Potential for Overkill in Small Systems** For very small-scale applications (e.g., residential ductwork or low-flow systems), a Hart Cooley damper may be more expensive than necessary. A simpler, less expensive damper might suffice.

4. **Actuator Dependency** If you need an automated system, you ll also need to purchase and install a compatible actuator, adding to the overall cost and complexity.

5. **Weight and Space Considerations** The damper, especially in larger sizes, can be heavy and may require reinforced mounting points. Installation in tight spaces could be challenging.

6. **Maintenance Requirements** While designed for durability, periodic maintenance (e.g., lubrication, seal replacement, and inspection) is necessary to prevent wear and ensure optimal performance. Neglecting maintenance could lead to premature failure.

7. **Lead Times for Special Orders** If you require non-standard materials or configurations, ordering may take longer than off-the-shelf alternatives.

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The Hart Cooley 38006 Round Butterfly Damper is an excellent choice for **industrial, commercial, or large-scale HVAC applications** where durability, precision, and long-term performance are critical. Its high-quality construction, versatility, and compatibility with automated systems make it a reliable investment for professionals who prioritize efficiency and reliability over cost savings.

However, for **small-scale or budget-sensitive projects**, the higher cost may not justify the benefits. In such cases, a more affordable generic damper could be a practical alternative. Additionally, if you require **non-standard specifications**, factor in potential delays and additional expenses.

- You are working on a **commercial, industrial, or large HVAC system** where reliability and efficiency are paramount.

- You need a **long-lasting, low-maintenance solution** that integrates well with automated control systems.

- Your budget allows for a **premium-quality product** that reduces long-term operational costs.

- You are on a **tight budget** and the application does not require industrial-grade durability.

- The project is **small-scale or residential**, where a simpler, cheaper damper would suffice.

- You need **custom modifications** that may delay delivery or increase costs significantly.

For most **professional or large-scale applications**, the Hart Cooley 38006 is a strong recommendation due to its proven performance and durability. For smaller or cost-sensitive projects, evaluate whether the added value outweighs the higher price.

Details:

Durable steel construction ensures long-lasting use. Depth: 1-31/32 Inch. Material: Steel.: The Hart Cooley 38006 is an adjustable round butterfly damper designed for optimal air flow control.

Precise control with adjustable damper settings. Finish: Golden Sand Enamel. Made from high-quality steel with a golden sand enamel finish, this 6-inch damper is compatible both 5400 and 6400 series collars T-Bar diffuses. Technical Specifications: Diameter: 5-11/16 Inch OD.

Easy installation with a removable handle.

part #: 38006 price

• $29.89

specifications refrigerhva:

• brand: Hart Cooley
• mpn: 38006

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• other
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offer refrigerhva:

• quantity: 11
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• availability: In Stock
• started: April 11, 2026
• options: Ship-to-home

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• condition: New
• HVAC Refrigeration > HVAC Refrigeration Components > Evaporators

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• # reviews: 29039
• city: Dresher, PA
• rating: 99.4%

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• transit: 4-9 Days

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