One end of the coiled tube in the box is fitted to the external supply of the beverage to be served (often moved from the supply container by gas pressure, as in the case of beer in kegs, and the other end is attached to taps for serving the beverage, which are often integrated into the box itself. Filling the jockey box with ice and water cools the coiled tubing, and when the beverage flows through the tube, the beverage is cooled to a temperature just above freezing, even if it was at room temperature before it entered the box. This allows cold drinks to be served on tap in temporary and outdoor venues.
Apart from the coil and taps, the jockey box resembles a cool box. Some jockey boxes force the liquid through a solid cold plate rather than a coil of tubing (see Alternative Portable Cooler Dispensers below).
Alternative Portable Cooler Dispensers
In the coil cooler, a stainless steel coil is covered with water and ice, in which the liquid is made run through. At the contact with the cold coil, the beverage becomes cold. On the flip side, the cold plate works making the beverage run across an ice covered aluminum cold plate. When the plate makes contact with the ice, the plate become cold provoking the liquid that runs over it becomes cold too.
A portable ice maker and water dispenser is a device that produces ice, and release chill water by a small in-house generator. Depending on the size, some of them require a water line connection, but most of them only needs to have water deposited in its container.
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- "All About Jockey Boxes". www.micromatic.com. Retrieved 28 January 2018.
- "Build an Electric Draft Jockey Box: Projects - Brew Your Own". Brew Your Own. Retrieved 28 January 2018.
- "Jockey Box". A Way with Words. 25 June 2011. Retrieved 28 January 2018.
- "Cold Plate Coolers vs. Coil Coolers". www.micromatic.com. Retrieved 28 January 2018.
- "Portable Ice Makers". Retrieved 28 January 2018.
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