FRAL

Carmignano di Brenta / Italy

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With more than 25 years of history today Fral is an industrial leader in the world in the field of drying and dehumidification. Dehumidifiers Fral and their industrial applications are the highest expression of talent and Italian design, and technology functional result of experience and creativity. Elegant design and versatility of the models, functional mechanics and electronics of the machines, silence and efficiency even at low temperatures and humidity resistance and low power consumption: these are the most important features of all products. A dehumidifiers is a machine which removes the humidity from the rooms; this humidity is originated from the sources described here below: the relative humidity which is present in a room is represented by the balance of the humidity entering into a room (see below), which can be related or not with the relative humidity present in the room and the humidity removed by the dehumidifier which, instead, always related with the room relative temperature and humidity.

The dehumidifier, in its basis concept, is just a monoblock conditioner in which the room air, after passing through the evaporator (cold coil battery) where it is cooled and dehumidified (reduces the specific humidity, but it increases the relative humidity), passes then through the condenser (the warm coil battery) where it is heated up , thus strongly diminishing the relative humidity. Practically, the balance conditions (relative humidity) are those obtained when the humidity entering into the room is equal to that humidity which can be removed by the machine. The dehumidifier is a refrigerating cycle machiner: its functioning is based on a physical principle according to which the air, coming into contact with a cooled surface, it wets the surface by covering it with humidity in the form of condensed drops. What really happens is that a refrigerating machine maintains in a refrigerated state the coil through which is conveyed the incoming air that, in this way, is cooled and dehumidified. Then the air, passing through a warm heat-exchanger, heats up and returns in the room dehumidified and at a slightly higher temperature.

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