DRAFT BEER FAQS: PRESSURE
How Many Kegs of Draft Beer Can Be Dispensed from a CO2 Cylinder / Tank?
Under perfect conditions, it requires about 1/2 lb of CO2 to dispense a 1/2 barrel of draft beer if the keg's pressure is 12-14 lbs. Although leaks may exist and some line cleaning equipment requires pressure from this gas source, keg yield is usually less. Keeping this in mind, the table below lists the approximate number of kegs that can be expected to be dispensed from each size of the CO2 cylinder.
A CO2 gas cylinder that is properly filled and is at room temperature normally has approximately 800 lbs. pressure reading on the pointer of a regulator’s high-pressure gauge. As CO2 is a gas and expands when heated and contracts when chilled, the gauge reading will vary based on the cylinder's environment. Higher pressure reading for warmer, lower for colder environment.
Regardless of the environment and the pointer’s reading, it will not change until the liquid CO2 in the cylinder depletes. Once gone, the pointer begins to drop from the original reading signifying that the tank only has gas pressure and is almost empty. To prevent downtime, at this time, the cylinder should be replaced with a full one.
THE GLOBAL LEADER IN DRAFT EQUIPMENT SOLUTIONS
For over 60 years, Micro Matic has been recognized as one of the world’s leading suppliers of draft beer equipment. Specializing in keg-to-glass technology, we offer a total solution for meeting your draft beer equipment needs. Our dedication to customer service is supported by four regional sales and distribution centers, the Micro Matic Dispense Institute for training and education, and a Certified Installer Network for draft beer installations. Want to speak with a “perfect pour” expert? Contact Micro Matic today.