OBJECTIVE or GOAL
Ballast the performance pump.
- ACQUITY QDa
- VACUUBRAND rotary vane pump Model RE 6
- Open the manual ballast valve by turning it so that the arrow points toward the inlet of the pump (see the photo below)
- Close the ballast valve by turning so that the arrow points away from the inlet of the pump.
VACUUBRAND rotary vane pump: Model RE 6, part number 99139