Udstødningsgassens delingsforhold og den indgående strøm til DT reguleres af strømningsregulatoren FC2, som styrer flow (eller hastighed) af trykpumpen PB og sugepumpen SB i forhold dertil.
The exhaust split and the flow into DT is controlled by the flow controller FC2 that adjusts the flows (or speeds) of the pressure blower PB and the suction blower SB, accordingly.