1. Piston compressors
1.1 Technologies and compression
Piston compressors belong to the reciprocating positive-displacement compressor family. They can be produced using three different technologies (figure 1 ):
open compressors (O), directly or indirectly coupled to separate electric or thermal motors. They can handle any refrigerant, including hydrocarbons;
accessible hermetic (HA) (or semi-hermetic) compressors, directly coupled to an electric motor and enclosed in a common, removable crankcase. They can only handle halogenated refrigerants or hydrocarbons;
non-accessible hermetic compressors...
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Piston compressors
Helicocompressors or screw compressors
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Air conditioning – Refrigeration
In 2007, UNICLIMA companies saw their business grow by +5.7% compared to 2006. Business is thus growing strongly on both the domestic and export markets.
As a result, and in contrast to previous years, the industry's growth rate is very close to the average for the mechanical...
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