The forces during centrifugation may cause leakage around the top of the tube and cap because snap cap tubes are not completely airtight.
What is cap tubes ?
When it comes to small commercial refrigeration applications like prep tables and reach-in cooler boxes, capillary tubes are a fixed metering device that is frequently used. The process of turning the high pressure liquid refrigerant into a spray of low pressure liquid only requires a short piece of copper tubing.
Products that have already been chilled are stored using cap tube systems. It may take up to 24 hours for a cap tube refrigeration system to cool a box of non-refrigerated goods to the proper temperature.
A device used to metre refrigerant from a liquid state to a gas state is known as a refrigeration cap tube, also known as refrigeration capillary tubing. This procedure is used to take the heat out of a cooler or freezer. Nearly all of the smaller refrigeration units in bars and restaurants use capillary tubing.
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