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The choice of the oil/refrigerant combination is crucial for the proper operation of installations
A compression refrigerator produces cooling at constant pressure by evaporation of a refrigerant in the liquid state, followed by compression and condensation of the fluid to transform it from vapour to the liquid state. It uses a compressor which in most cases must be lubricated. Proper operation and optimum performance are ensured by choosing fluids and oils that are compatible with the machines, types of evaporators (direct or embedded expansion system) and the desired operating conditions.The refrigerating circuit is subject to pressure, temperature and expansion phenomena which requires perfect compatibility between oil and refrigerant.
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