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    DRAFT BEER FAQS: PRESSURE

    Do Gas Regulators NEED TO HAVE a check valve?

    A gas check valve is a one-way device allowing gas to flow only in one direction. When the gas is not flowing the check valve seals, preventing any backflow. Gas regulators designed for use in the draft beer industry include standard shutoff valves which do not have a check valve. This is because shutoffs with check valves are not required for the majority of draft beer dispensing applications as all standard keg couplers have a built-in gas check valve. This prevents the backflow of beer from the keg into the regulator. However, homebrew couplers do not have a built-in gas check valve. Therefore when using homebrew couplers, it is important to use regulator shutoff(s) with a check valve. This is important because, without a check valve, any loss of gas pressure will result in the beer backing up into the gas line and into the regulator. If purchasing a gas regulator for use with homebrew couplers, be sure to also purchase a shutoff with a check valve so the standard shutoff on the regulator can be replaced.


    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.