A rectangular duct is a type of air passage used in HVAC (Heating, Ventilation, and Air Conditioning) systems. It has a rectangular cross-section, as opposed to round ducts which are circular.
Here are some key characteristics of rectangular ducts:
- Shape: Rectangular with a flat profile, typically wider than they are tall.
- Material: They are commonly made from galvanized steel, although aluminum or fiberglass can also be used.
- Applications: Widely used in residential and commercial buildings for distributing conditioned air throughout the space. They are often preferred due to:
- Space Efficiency: Their flat profile allows them to be easily concealed in ceilings, walls, or under floors.
- Flexibility: They can be easily fabricated into different shapes and sizes to accommodate various building layouts.
- Disadvantages: Compared to round ducts, rectangular ducts have some drawbacks:
- Friction: The sharp corners create more friction with the airflow, which can lead to slightly higher pressure drops and energy losses.
- Sealing: They can be more challenging to seal perfectly, potentially leading to air leaks.
- Rectangular ducts are commonly made of galvanized steel, aluminum, or stainless steel, although other materials such as fiberglass or PVC may also be used for specific applications. They come in various sizes and dimensions to accommodate different airflow requirements and space constraints within buildings.These ducts are often preferred for their ease of fabrication, installation, and handling compared to other types of ductwork. They can be manufactured in straight sections, elbows, transitions, branches, and other configurations to suit the layout of the HVAC system. Additionally, rectangular ducts are often insulated to improve energy efficiency and minimize heat loss or gain during the air distribution process.
Here’s a short and informative keyphrase for “rectangular duct”:
- Rectangular Ducts: The Flat Faces of HVAC Airflow
