Contact us

Air Duct Systems

We manufacture high quality and reliable air ducts and accessories - round, square as well as customised solutions. We offer different tightness classes and hygienic designs, powder coating and fast, flexible delivery according to the actual needs of the building.

Contact us

Our main production programmes

Square duct
This production program focuses on the manufacture of square pipe and fittings used in HVAC systems. Our products meet the requirements for precision, tightness and ease of assembly.
Circular duct
Within this program we produce circular pipes together with various types of circular fittings. The products are suitable for a wide range of applications - from industrial facilities to office buildings.
Accessories
An important part of our production is also accessories that complement and extend the functionality of piping systems. These include: silencers, vortex outlets, sub-jet louvers, control dampers, cover grilles, hoods and various atypical products according to customer requirements.

Custom production and special requirements

We provide customized production of air handling systems according to customer requirements. Our production meets the most demanding Austrian and German technical standards. As additional services we offer powder coating in different colours, different tightness tireds as well as hygienic design.
Main advantages:
Production of square air ducts according to technical standards ÖNORM 6015-2 and DIN 18379, DIN EN 1505, 1507
Production of circular air ducts according to technical standards ÖNORM 6015-1 and DIN 12237, DIN EN 1506
Material design: galvanized and stainless steel design according to customer's requirements
Tightness classes according to customer requirements in tightness classes B and C according to DIN EN 1507
Hygienic design according to VDI 6022 - within the scope of customer requirements
Powder coating to the required colour (RAL)
Promptness and flexibility of delivery

Our solutions for industry

We are a partner for large manufacturing companies looking for precision metal processing and air handling solutions.
25+
years of experience
230K+ m²
annual capacity
550+
completed projects

Our technologies

Thanks to innovative technologies, continuous investment in their renewal and improvement, we guarantee high quality production, precision and efficient implementation of each project.

Trumpf

LASER EQUIPMENT L2030 - it is a high-precision laser equipment designed for sheet metal cutting with an emphasis on edge quality and minimal thermal deformation. It enables efficient processing of various shapes and complex cut-outs while maintaining high speed and accuracy.

SWAH

SHORT PIPE PRODUCTION LINE, BREAKING MACHINE, FORMING MACHINES - SWAH automated line provides complete production process of square pipe including cutting, bending and assembly. Also included are breaking and forming machines to achieve the required rigidity and form accuracy.

Forstner

SQUARE PIPE MANUFACTURING LINE - is specialized for fast and precise production of square pipe with emphasis on repeatability and quality of outputs. It allows flexible adjustment of dimensions and parameters according to customer specifications.

RAS

BENDING EQUIPMENT - RAS professional equipment is used for forming sheet metal into desired angles and shapes with high precision. It is indispensable especially in the production of air handling components.

RAS

SEALING AND SEALING OF PRESSURE JOINTS ON AIR PIPE - this machine ensures tight and airtight joints on square and circular pipes. It is ideal for the production of pipelines with high demands on tightness and reliability of joints.

Tormec

MOLDING MACHINES FOR THE PRODUCTION OF CIRCULAR FORMS AND ROUND CIRCULAR PIPE - the machines are designed for precise forming and shaping of circular forms and pipes of various dimensions. They ensure smooth surface, precise dimensions and high production productivity.

Why us?

Years of proven experience

We have a track record of dozens of successful projects of various scales. Our know-how is based on real results, not on promises.

Everything in one place

From design through production to assembly and service - everything is handled in-house. The customer is assured of control, consistent quality and time savings.

Fast and reliable implementation

We understand that deadlines are critical. We work efficiently and with a focus on meeting agreed timescales, even on challenging projects.

Clear and fair communication

The customer always has a clear overview of the project status. We communicate openly, fairly and without hidden surprises.

In-house production for higher quality standards

We manufacture the key components ourselves, which guarantees precision, durability and the possibility of tailor-made solutions without compromise.

Long-term service and support

The project is not the end of our cooperation. We provide warranty and post-warranty service and make sure that the systems work reliably for many years.
© 2026. TZB Global. All rights reserved.
Created in
crossmenuchevron-down