What volume of foam give these generators?

The volume of foam produced is the product of the flow of water mixed with foam that comes, by the expansion ratio.
· In the case of GAE-250, at a pressure of 4 bar is:
23x 816 = 190 128 l / min.
· For the GAE 400, at a pressure of 4 bar:
378 x 820 = 309 960 l / min.