Aluminium / steel production

Our expertise in aluminium smelters

Corus, Velsen Noord

Corus, Velsen Noord

Corus is the largest steel producer in Europe and the third largest in the world, and manufactures, processes and distributes metal products as well as providing design, technology and consultancy services...

Corus, Velsen Noord

Kazakhstan Aluminium Smelter

Colt has provided Gravity Natural Ventilation units for the roof and the walls....

Kazakhstan Aluminium Smelter

Mahan Aluminium Project

Colt has provided Gravity Natural Ventilation units which are to be installed at the new Mahan Aluminium Project...

Mahan Aluminium Project

Kitmat Smelter

Colt have provided Labyrinth Natural Ventilations to be installed in the re design of the Kitmat smelter in Canada...

Kitmat Smelter

Ma'aden

Colt have been asked to provide Labyrinth natural ventilation for the new Ma'aden smelter being constructed in Saudi Arabia...

Ma'aden

Vedanta Aluminium Smelter

Vedanta Aluminium Smelter

Vedanta Aluminium Ltd. (VAL), a subsidiary of Vedanta Resources PLC, has its principal locations in two districts (Kalahandi & Jharsuguda) of Orissa...

Vedanta Aluminium Smelter

Nordural Smelter, Helguvik

A new 250,000 tonne greenfield primary aluminum smelter is currently under construction at Helguvik, Iceland...

Nordural Smelter, Helguvik

Emirates Aluminium

The world's largest, single site smelter. The Colt Labyrinth was chosen due to the fact that it has a high coefficient of performance value of 0.22, resulting in a very high ventilation capacity for any given ventilation surface area...

Emirates Aluminium

Sør- Norge Aluminium

The electrolysis hall of Sør Norge Aluminium in Norway was equipped with a roofhouse with mechanical ventilation. This was outdated, and the decision was made to remove the roofhouse and replace the mechanical ventilation system with a gravity ventilation system...

Sør- Norge Aluminium

Nordural Smelter, Helguvik

Keeping the need for additional constructional provision to a minimum, Colt replaced the ventilation openings in this building with Labyrinth gravity ventilation units...

Nordural Smelter, Helguvik

Trimet Aluminium

Colt was required to replace existing mechanical HVAC equip-ment in response to changing needs, and supplied a scheme of natural / gravity ventilation. This was attractive to the client since the equipment that had been installed earlier required extensive maintenance...

Trimet Aluminium

Boguchany Smelter Complex

There are extreme conditions at the Boguchany Smelter Complex. Colt carried out a survey and technical calculations, and proposed a scheme of Labyrinth gravity ventilators. Each of the four potrooms with a length of 1,200m will be equipped with a 7m wide Labyrinth unit...

Boguchany Smelter Complex