How does glycol cooled beer tower work?

Propylene glycol is combined with water to create a chilled mixture that’s pumped from the glycol power pack through the cooling lines that run parallel to your beer lines. Both distinct lines are kept cold by the internal moisture barrier in the trunk line and foil wrap around each glycol line.

How are beer lines cooled?

An air cooled (or forced air) draft system uses a forced air blower to push chilled air from your cooler through PVC blower tubing or duct containing your beer lines all the way to your tower. The tubing is wrapped with foam insulation to keep cold air from escaping.

What keeps beer lines cold?

Insulation – a product that is a combination of mylar and air bubble wrap is a good choice for insulating beer lines for short runs. Double wrap this material around the beer line(s), with some foam pipe insulation around that.

What is glycol chiller system?

Glycol chillers are industrial refrigeration systems that use a type of antifreeze called glycol, mixed with water, to lower the freezing point in the application of the chilling system.

What is glycol for beer?

In the brewing industry, glycol is a necessary part of day-to-day operations. It’s used in chiller systems that run throughout fermentation tanks and conditioning tanks to control temperature during fermentation reactions.

How long is glycol good for?

Does glycol expire? Inhibited glycols have an indefinite shelf life if they are stored at ambient temperature and not exposed to direct sunlight. Uninhibited (plain) glycols have a shelf life of two years.

How often should glycol be changed?

“Some of our customers have had the same glycol in their systems for thirty years, some have had to replace or add after only five years – it’s totally unique to the facility.” However, HOH recommends testing at least once a year to ensure that proper levels are being maintained and that you really are protected.