Section heaters, part 3

In closed water installations, member heaters made of aluminum may be used at a temperature lower than + 110 ° C, which are characterized by aesthetic shapes, they are light and have a low water capacity. If there is no internal pollution, then these radiators are characterized by very good thermal conductivity, which favors good cooperation with installations equipped with automatic systems and thermostatic valves. The outer surfaces of these radiators are varnished or anodized. Their cost (twice as large as for steel radiators) Causes, that they are used rarely.

Characteristic in this group of radiators include solutions of the Kalor type. They are designed for water heating systems with a temperature of up to +110°C and a pressure up to 0,6 MPa and in steam systems with overpressure up to 0,07 MPa. After mounting the members, these radiators form a plate-shaped plane. In the series there are varieties Kalor, Calorie 3 and Termo, whose data is summarised in a table.

The table below lists selected data for PKA and DKA type aluminum radiators. To prevent corrosion in the places of connection of radiators with typical brass fittings, a spacer made of material with dielectric properties should be mounted (for example. made of Teflon). When radiator housing is used, then attention should be paid to its construction. It must be provided with a large number of holes and easy to remove and clean.

Characteristic design and technical data of PKA and BKA aluminum radiators.

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