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Bubble Tight Vs Butterfly: Understanding the Differences in Industrial Dampers

Posted on the 25 April 2024 by Ebaircontrol @ebaircontrol

Industrial dampers manage airflow and control gas movements in industrial spaces. Butterfly flat dish circular dampers (BFD) and bubble tight dampers (BTD) are considered to be the more common choices available. These dampers allow the smooth functioning of industrial operations, HVAC systems, and ventilation systems. BTD dampers are superior at creating a tight seal to stop the leaking of gas or air, even though BFD dampers are renowned for their straightforward design and affordability.

Need more info on butterfly flat dish circular damper (BFD) or how bubble tight dampers work? Contact us at EB Air Control for expert opinion.

Ensuring Precise Airflow Control

By sealing tightly when closed, bubble tight dampers are intended to stop any air or gas leaks. They are frequently utilized in settings like cleanrooms, labs, and pharmaceutical plants where exact control over airflow is crucial.

1. Tight Seal:

When closed, bubble-tight dampers ensure no airflow can get through by creating a bubble-tight seal. This function is essential for preserving air quality and avoiding contamination in delicate conditions.

2. Advanced Sealing Mechanisms:

Elastomer or metal-to-metal seals are two examples of the advanced sealing mechanisms that butterfly flat dish circular damper (BFD) has frequently installed. These systems ensure maximum sealing performance and durability.

3. Versatile Applications:

Butterfly flat dish circular dampers (BFD) are extensively employed in various industries, such as food processing, HVAC, and pharmaceuticals, because of their ability to seal tightly. They work exceptionally well in settings where keeping things sterile and tidy is crucial.

4. Trustworthy Performance:

Bubble-tight dampers provide durable and reliable operation thanks to their sturdy design and dependable performance. They are resilient to challenging working circumstances and offer steady airflow control over time.

Butterfly Flat Dish Circular Dampers (BFD):

The BFD dampers, often called butterfly flat dish circle dampers, are distinguished by their straightforward but efficient design. A flat circular disc, usually known as a “butterfly,” is placed atop a rotating shaft to regulate airflow, constituting these dampers. For optimal airflow through the duct, the damper must be open for the disc to lie parallel to the airflow. In contrast, the disc spins to obstruct airflow when the damper is closed.

BFD dampers are frequently used to control temperature and airflow in industrial ventilation systems and HVAC (heating, ventilation, and air conditioning) systems. They provide an affordable option for simple airflow control applications where a high degree of sealing is not necessary. It’s crucial to remember that BFD dampers might offer less of a seal than how bubble tight dampers work, particularly in high-pressure situations.

Recognizing the Disparities:

After going over the fundamentals of both butterfly flat dish circular dampers and bubble-tight dampers, let’s examine the main distinctions between the two types of dampers:

1. Sealing Efficiency:

When closed, bubble tight dampers provide a tight seal that minimizes the leaking of gasses or air. On the other hand, BFD dampers might not offer as good of sealing and permit some air escape when closed.

2. Use:

Bubble-tight dampers are perfect for settings like cleanrooms, labs, and pharmaceutical establishments where exact airflow control and optimum sealing efficiency are needed. On the other hand, BFD dampers are frequently utilized for basic airflow control applications in HVAC and industrial ventilation systems.

3. Cost and Complexity:

Compared to BFD dampers, bubble tight dampers are more costly and challenging due to their frequent use of sophisticated sealing techniques and building materials. BFD dampers provide an affordable alternative for simple airflow control applications because of their straightforward design and manufacture.

4. Pressure Rating:

Bubble-tight dampers can be used in high-pressure applications because they are usually made to handle higher pressure levels. BFD dampers might not be appropriate for high-pressure sealing applications due to their lower pressure ratings.

To conclude

Contact us to know further details about how BFD dampers provide an affordable option for simple airflow control applications in industrial ventilation and HVAC systems. Bubble-tight dampers offer high sealing efficiency, making them perfect for demanding applications requiring exact airflow control. Knowing the distinctions between these two kinds of dampers will help you select the best one for the demands of your particular application.

Contact EB Air Control to learn more about our product selection and industrial dampers!


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