From temperature and frost energy conservation and other factors consider the selection of tropical zone
Customers should first consider the purchase of electric tropical with thermal conductivity and energy saving performance. Through these two kinds of performance to determine which kind of electric tropical with better. Due to the price of the two with the tropical, maintain the temperature, the use of length and temperature are not the same, the user is always difficult to choose when shopping, here are the factors under consideration from which to consider the choice of tropical tropics.
1, from the working temperature: self-limiting temperature with the tropical maximum working temperature of 0-105 ℃, while the constant power with the tropical maximum operating temperature of 145 ℃;
2, from the sheath material: self-limiting temperature with tropical outer sheath made of fluorine plastic and polyolefin materials, temperature is 205 ℃. Constant power with tropical outer jacket is made of fluorine plastic and shielding network, temperature 260 ℃;
3, from the use of length: self-limiting temperature with tropical maximum single-use length can not exceed 100 meters; constant power with tropical maximum single-use length of 250 meters;
4, from the structural level: self-limiting temperature with the tropical by the copper wire, conductive layer, insulation layer, shield and sheath layer 5 layers. Constant power with tropical is made of tinned round copper wire, core insulation, the inner jacket insulation, heating wire, the outer sheath, metal braid and strengthen the jacket and other seven layers;
5, from energy saving and environmental protection: self-limiting temperature with the tropical conductor is composed of PTC semiconductor can automatically control the temperature changes, will not have any impact, constant power with the tropical need to use the temperature controller to adjust, so than self-limiting temperature With the tropical one more temperature controller costs.
As can be seen from the above, the electric heat tracing can be used under normal circumstances, that is, the temperature level and temperature requirements are different. Under normal circumstances, self-limiting temperature with the tropical zone to save some costs, but not great, so the selection As long as the choice of suitable with the tropical can be.
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