Producer
Atlas Copco Mafi-Trench Company LLC
American cryogenic turboexpander manufacturer (Santa Maria CA; Atlas Copco Gas and Process subsidiary); world's leading producer of turboexpanders for cryogenic gas processing applications including helium liquefaction, natural gas liquefaction, and air separation. Atlas Copco (Stockholm, Sweden; NYSE: ATCO) is a Swedish engineering conglomerate (founded 1873; world's leading air compressor and vacuum technology company) that acquired Mafi-Trench in 1997. Mafi-Trench's cryogenic turboexpanders convert the energy of expanding high-pressure gas into refrigeration — the thermodynamic trick that allows helium to reach liquefaction temperature (-269°C). Mafi-Trench turboexpanders operate at speeds up to 100,000 RPM on gas bearings (no contact, no lubrication required at cryogenic temperatures where oil would freeze). The same Atlas Copco that makes the air compressor at your neighborhood mechanic also makes the 100,000 RPM turbine at the heart of helium liquefaction plants serving hospital MRI machines.
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Compressor Technique
37%Vacuum Technique
25%Industrial Technique
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Did you know2024
Atlas Copco (Stockholm; Nasdaq: ATCO) is the same company whose air compressor is at the auto mechanic, whose dry vacuum pump keeps the semiconductor fab at process vacuum, whose precision torque tools assemble the car on the manufacturing line, and whose Mafi-Trench turboexpander creates the refrigeration that liquefies helium for the hospital MRI magnet at -269°C. A single Swedish conglomerate supplies critical equipment to: the automotive repair shop (portable compressors), the semiconductor fab (dry vacuum pumps — Atlas Copco is the world's largest dry vacuum pump manufacturer), the automotive and EV assembly plant (precision assembly tools), and the hospital MRI supply chain (cryogenic turboexpanders at helium liquefaction plants). No other industrial engineering company has equivalent simultaneous equipment positions across auto repair, semiconductor manufacturing, automotive assembly, and medical imaging cryogenics — a breadth that most users of any Atlas Copco product never perceive.
Atlas Copco AB ↗Origin2023
Atlas Copco was founded in Stockholm in 1873 as Atlas (making railroad equipment) and Copco (Copenhagen Company). The two merged in 1917 and evolved into Sweden's premier industrial engineering company, first in compressors and tools, then expanding into vacuum technology and gas processing. The Mafi-Trench acquisition in 1997 brought cryogenic turboexpander technology into Atlas Copco's gas and process division — a specialized Santa Maria California company that had pioneered high-speed gas bearing turbomachinery for helium and natural gas liquefaction since the 1960s. Mafi-Trench's turboexpanders operate at 50,000-100,000 RPM on gas bearings (no oil lubrication — oil would freeze at cryogenic temperatures), representing one of the highest-precision rotating machinery challenges in industrial engineering. Atlas Copco's acquisition gave Mafi-Trench access to global service networks and financial scale to compete for major LNG and helium plant contracts.
Atlas Copco AB ↗