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Alfa Laval AB is a Swedish company, founded in 1883 by Gustaf de Laval and Oscar Lamm. The company started by providing centrifuges to dairies to be used to separate cream from milk. It now deals in the production of specialised products for heavy industry .
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Download as PDF; Printable version; In other projects Appearance. move to sidebar hide ... Alfa Laval logo Source Alfa Laval Annual Report 2006. Date Author
Haldex co-owned (from 2004) the company Alfdex with Alfa Laval, for production of separators for truck engines. Haldex after 2011: In 2011, the Traction division was divested to BorgWarner, including the all-wheel drive. The hydraulic division formed a new company called Concentric and was listed on the Stockholm stock exchange.
ABB Group is a Swedish-Swiss [6] [7] [8] multinational electrical engineering corporation. Incorporated in Switzerland as ABB Ltd., and headquartered in Zurich, [1] it is dual-listed on the SIX Swiss Exchange in Zurich and the Nasdaq Nordic exchange in Stockholm, Sweden. [9]
In 1991 Alfa-Laval was bought by Tetra Pak. In 1993 the division which produced dairy and farming machinery was split from Alfa Laval and named Alfa Laval Agri. Both companies became part of the Tetra Laval Group. In 2000 the Tetra Laval Group sold Alfa Laval, while Alfa Laval Agri was kept and renamed DeLaval after the company's founder.
A de Laval nozzle (or convergent-divergent nozzle, CD nozzle or con-di nozzle) is a tube which is pinched in the middle, with a rapid convergence and gradual divergence. It is used to accelerate a compressible fluid to supersonic speeds in the axial (thrust) direction, by converting the thermal energy of the flow into kinetic energy .
Choke valve, Butterfly valve used to limit air intake in internal combustion engine. (Not to be confused with choke valves used in industrial flow control, above.) Clapper valve: a type of check valve used in the Siamese fire appliance to allow only one hose to be connected instead of two (the clapper valve blocks the other side from leaking out)