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. Ikich Ice Cube Maker, Ice Machine Hose, The Ice Machine, Crystal Ice Maker Machine,Ice Flaking Machine Uses. Cubed Ice: Traditional square or rectangular cubes used for beverages. The product will supply to all over the world, such as Europe, America, Australia,Doha, Senegal,Grenada, Norwegian.Ice Block Size: OMT ice block maker machine can produce ice blocks of different sizes and shapes according to our customer’s needs. The most popular ice size : 5kg, 10kg, 20kg, 25kg, 50kg, other size can be customized.