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 Cube Making Machine In South Africa, Industrial Ice Machine, Bullet Ice Making Machine, Fast Ice Making Machine,Commercial Restaurant Equipment. 1-Power supply problem. We have ice block machine for single phase and three phase. When you plan to have your ice block plant, please see if you have three phase available. Normally for small ice block machine for commercial, it’s single-phase type. If you want big capacity, for more than 400pcs of 5kg ice block per day, you need to have three phase electricity available. You can consider to buy a generator if you don’t have 3phase in your side. The product will supply to all over the world, such as Europe, America, Australia,Spain, Wellington,Botswana, Ottawa.5. Ice block crusher: Equipment used to crush big ice block into smaller pieces or powder, often used in bars, restaurants, or fish cooling etc.