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Bac-Vac separation
Where used
ATS 4400
Back-Vac separation reroutes the flow of water into the suction end of the pump. In Back-Vac mode,
water is pulled from around the outside of the bulk bag instead of pulling from the top of the cross-flow
separator as it does in Cross-flow mode. This creates a vacuum outside of the bag, which pulls water
through the bag membrane. Silt and fines are left in the bulk bag and clean water is returned to the
catcher tank.
To use Back-Vac mode, do the following:
• Rotate the ball valve handle until it is perpendicular to the pump suction manifold.
© 2021 Flow International Corp.
Retrieved from Flow KB on April 14, 2021 PST
Ancillary option: Abrasive Transfer System (ATS)
Summary of Contents for MACH 300
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