What is the top wine dispensing machine?

What is the top wine dispensing machine?

We've been using CO2 to transfer our beer (through a 20" long hose) from the fermenter into the bright at our 2bbl brewhouse. This seems to take a bit longer than necessary and uses up a considerable amount of CO2 in the process. What's the way to move beer between vessels?

What's the appropriate hose size and/or head pressure to use when transferring from a bright tank to a keg? Is one size more prone to creating foam than others?