About the Refrigeration System : The sea water flake ice machine uses a refrigeration system to cool the evaporator. Common refrigerants are environmental friendly gas, R404a, or R507a. or others depending on the design and intended use of the machine. Ice Machine Maker, Ice Block Machine Manufacturers, Boscare Ice Maker, Soft Ice Cube Maker,Crystal Clear Ice Maker. Flake Ice: Thin, soft ice flakes often used in food displays and for preserving perishables. The product will supply to all over the world, such as Europe, America, Australia,Albania, Atlanta,Jamaica, Tanzania.If the compressor oil has been used for more than 3years or the ice machine runs for more than 1000hours, it’s better to change the compressor oil. The oil grade please check with OMT ICE. Different brand compressors the oil grade will be different.