Round Duct

Spiral Tubing and Ducting Specialists

Trans Vent Spiral Tubing are specialists in manufacturing and supplying spiral lockseam round ductwork. We take pride in supplying high quality and durable products, meeting strict performance, efficiency and quality standards. 

Utilised within residential, commercial and industrial projects, our round ductwork offers solutions for an extensive range of applications such as HVAC projects, dust and fume extraction and kiln exhausts. 

Trans Vent’s spiral lockseam round ductwork is manufactured in a wide range of diameters from 80mm to 2500mm dia, with wall thickness varying from 0.5mm to 2.0mm. Offering increased strength over traditional round ductwork, our 4 ply lockseam manufacturing process provides cost effective, durable and energy efficient ductwork. 

For high pressure applications, a corrugation profile can be applied, increasing the ductwork’s capacity to withstand high internal and external pressures. 

Our range of round spiral ductwork and fittings can be manufactured in a variety of materials including: 

  • Galvanised Steel 
  • 316 and 304 Stainless Steel 
  • Aluminium 

We offer a variety of insulation options to meet your individual project needs. Whether you require insulation to enhance energy efficiency, reduce noise or increase fire resistance, Trans Vent are confident we will be able to service your project. 

Trans Vent manufactures and supplies a complete range of fittings such as: 

Further to typical round ductwork, Trans Vent offer custom fabrication services, allowing you to order round spiral ducting tailored to your exact specifications.

Why Choose Spiral Lockseam Round Ducting?

Round spiral ducting offers numerous advantages, making it the preferred choice for many HVAC projects.

Efficiency: The smooth, continuous interior of the round spiral duct minimises air resistance, resulting in improved airflow efficiency and reduced energy consumption.
Durability: Our round spiral duct is constructed from high-quality materials, combined with our 4 ply lockseam manufacturing process offers a superior product.
Aesthetics: The sleek, round design of spiral ducting adds a modern and clean look to any space, offering an attractive choice for exposed ductwork installations.
Easy Installation: The design of round spiral ducting, along with our precision-engineered fittings, simplifies the installation process, saving you time and labour costs.
Customisation: With our custom fabrication services, you can achieve a ducting solution that perfectly fits your project’s requirements, regardless of its complexity.

When it comes to round spiral ducting, Trans Vent Spiral Tubing are your trusted professionals. We are committed to delivering high quality products and exceptional customer service.

Contact us today to discuss your project needs, request a quote, or enquire about our customisation options.

Spiral Tubing and Ducting Specialists