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In North America, the Door and Access Systems Manufacturing Association (DASMA) defines high-performance doors as non-residential, powered doors, characterized by rolling, folding, sliding or swinging action, that are either high-cycle (minimum 100 cycles/day) or high-speed (minimum 20 inches(508 mm)/second), and two out of three of the ...
Rytec Corporation is an American manufacturer of high-cycle, high-speed doors for industrial and commercial applications. Headquartered in Jackson, Wisconsin, Rytec is considered a North American leader in the development, manufacture and sale of high-performance doors. [2] [3] [4]
Assa Abloy was founded at the merger of the two companies Assa and Abloy in 1994. Assa stands for August Stenman Stenman August. [7] [8] The name Abloy comes from a contraction of the Swedish Finnish bilingual name Ab Låsfabriken Lukkotehdas Oy, meaning literally Corp. Lock Factory Lock Factory Corp. (first Corp. and Låsfabriken from Swedish, last Lukkotehdas and Corp. from Finnish).
Hörmann is a German manufacturer of doors, garages, door frames, and gates for commercial and private real estate. [1] Operating globally, the family-owned business is Germany's largest door producer and the fourth biggest door manufacturer in the world.
In North America, the Door and Access Systems Manufacturing Association (DASMA) defines high-performance doors as non-residential powered doors characterized by rolling, folding, sliding or swinging action, that are either high-cycle (minimum 100 cycles/day) or high-speed (minimum 20 inches (508 mm)/second), and two out of three of the ...
Special features include aerodynamic car and counterweights, and cabin pressure control to help passengers adapt smoothly to pressure changes. The downwards journey is completed at a reduced speed of 600 meters per minute, with the doors opening at the 52nd second. Many high speed elevators also have aerodynamic cab exteriors. [110]
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