Yes. As long as you're only using them in house they should work just fine. They require a little more maintenance than sankey kegs because they tend to be old & beat up. But for a 2bbl brewery I'm sure you can make them work. They'll be much much easier to clean manually than sankeys as well.
If you're trying to sell beer to local bars you may run into some problems as most bars won't want to deal with them.
Brooklyn Brewery at the Culinary Institute of America
Hyde Park, NY