SMART BARREL

Commercial and industrial apparatus for use with flexible containers for filling, dispensing, sampling, venting, providing over-pressure protection, maintaining an airtight environment and draining liquids, namely, metal dip tubes and dip tube extensions; Metal dip tubes for use with flexible containers for filling, dispensing, sampling, venting, providing overpressure protection of, maintaining an airtight environment for and draining liquids; Metal hardware, namely, dip tubes and dip tube extensions for use in wine making; Metal hardware, namely, dip tubes and dip tube extensions for use with flexible wine containers; Metal hardware, namely, dip tubes with ports and valves for use with flexible containers, for filling, dispensing, sampling, venting, providing over-pressure protection of, maintaining an airtight environment for and draining of liquids within the containers