Spiral Round Duct

Construction: A flat strip of metal (usually stainless steel, aluminium, or galvanised steel) is twisted into a spiral shape to create a spiral duct. Next, a continuous seam is created by joining the strip’s edges lengthwise. This building technique maintains a smooth inside surface for effective ventilation while offering strength and longevity.

Seam: There are several ways to produce the seam in spiral ductwork, such as lock-seam, spiral lock-seam, or welded seam. While welded seam ducts are united by welding the seam, lock-seam ducts use a spiral or snap-lock seam to attach the strip’s edges. Every approach has benefits, and the best one to use will depend on a number of variables, including the size of the duct, the required pressure, and the cost.

Sizes: A variety of sizes are available for spiral seam round duct to meet a variety of airflow needs. Common diameters, contingent on the particular requirements of the HVAC system, are 4 inches, 6 inches, 8 inches, 10 inches, 12 inches, and greater.

Smooth inside: The smooth inside surface of spiral ductwork helps to minimise airflow resistance and lower pressure drops. This enhances the effectiveness of the HVAC system and encourages optimal airflow.

Installation: Compared to conventional rectangular ductwork, spiral ducting is very lightweight and simple to install. It can be mounted utilising a variety of hanging and supporting techniques above, below, or inside walls and ceilings. It is easier to route and connect spiral duct fittings, like elbows, reducers, and branches, to other duct parts.

Applications: In HVAC systems for both commercial and industrial buildings, spiral seam round duct is utilised to distribute conditioned air. Depending on what the system needs, it can be utilised for exhaust, return, or supply air.

Aesthetics: Because spiral ductwork has a pleasing appearance, it is frequently kept open in architectural applications. The spiral form is a popular option for exposed duct installations in business buildings, restaurants, and retail areas because it gives interior rooms a contemporary, industrial feel.