The refrigerated shipping container main body comprises metal materials, such as Aluminum, MGSS, Corten A, Stainless Steel. The wall surface coating is temperature-resistant, moisture corrosion-resistant and wear-resistant.
Most refrigerated shipping containers use open or semi-closed refrigeration units (built-in type), refrigerated through the refrigeration liquid cycle.
The refrigeration unit’s core functions are compressors, refrigerants, condensers, evaporators, heat exchangers, etc. They are powered by ship power supply, terminal power supply or vehicle power supply (three-phase AC voltage, usually 460V, 440V, 380V, 220V) to maintain the low temperature in the refrigerated shipping container by eliminating the heat flux that penetrates the box due to the temperature difference between the inside and outside of the box.
The refrigeration fluid of the refrigerator is generally Freon products, namely hydrofluorocarbons (i.e. HFC), mainly including R134a, R125, R32, R407C, R410A, R152 and so on.
The wall panels of the refrigerated shipping container are made by splicing insulated box panels through craftsmanship. The heat-insulating box board is made of two pieces of metal sheets covered with adhesive. A polyurethane foam layer is injected into the interlayer at high pressure to achieve the heat-insulating effect.
The refrigerated shipping containers are constructed of sufficient insulation materials. They can maintain a low-temperature requirement for a certain period (usually about 6 hours) in a power outage state. The broad temperature range is -30°C ~20℃.
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