This office building in Budapest was designed by the English architectural firm Foster & Partners in collaboration with the Hungarian architectural firm Finta Studio. With a height of 143 metres, it is the tallest building in Budapest. The building has 28 floors and a floor area of 86,000 m². The building was handed over in December 2022.
The special requirement was to open the large wings of the supply air doors and SHEV windows up to an opening angle of 90 degrees. For this purpose, 21
Folding arm² door opener PA-KL²-T-80 as well as 30
Folding Arm² PA-KL²-DF rotary wing in the synchronous version were installed. All actuators were supplied in RAL 7021.