millMAX Ultimate Mill Discharge (UMD™) Heavy Duty Centrifugual Slurry Pump

The UMD™ is the most advanced heavy duty slurry pump for mill discharge applications. The UMD™ slurry pump is perfect for Oil Sands processes, tailings, hydrotransport, cyclone feed, thickener underflow, and flotation.

heavy duty mill discharge pump
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Heavy duty slurry pump designed for the most abrasive and aggressive applications 

The Krebs® UMDTM pump is a newly designed HEAVY DUTY slurry pump focused on maximizing wear life while still maintaining the highest efficiency.

  • millMAX UMD™ High Pressure models are also available for multistage applications
  • High Chrome and Rubber Suction and Back Liners are available
  • The millMAX UMD™ includes a wide range of pump sizes that can handle flows from 1,900 to 15,000 cubic meters an hour (8,500-65,000GPM).

    Ideal for applications in: 

  • Mill Discharge
  • Oil Sands
  • High Flow Applications
  • Other Highly Abrasive Applications
  • Oil Sands Hydrotransport (hydro-transport)

heavy duty slurry pump     slurry pump Ultimate mill discharge

Oil Sands
The UMD is available for all Oil Sands processes including but not limited to: Tailings, Hydro-transport, Cyclone Feed, Thickener Underflow, Floatation, PSV/PSC Feed and Underflow. The millMAX UMD™ pumps are available in standard and high pressure designs.

FLSmidth Krebs' has made a commitment to continue to be an active partner in the field of oil sands processing with their UMD slurry pumps for Hydrotransport in oil sands (tar sands). We are making a more coordinated effort to help the oil sands companies advance their operating plans in slurry transport and separation technologies.

The Ultimate Mill Discharge (UMD) pump is now the longest lasting (which reduces cycle time) and most slurry efficient pump in its class.  The suction side sealing system has allowed the UMD to be used in the oil sands industry with efficiency, wear life and reliability. For more information call 1-520-744-8200 or

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Benefits of the millMAX Ultimate Mill Discharge™ Pump

The millMAX UMD™ has all of the benefits of the millMAX™ suction side sealing system in addition to a hydraulically improved design that:

  • Minimizes turbulence inside the volute
  • Increases the wear life of the wet end components
  • Reduces Downtime
  • Increases Slurry Efficiency
  • Maintains consistent pressure to Hydrocyclones

The bottom line is the UMD pumps more tons per kilowatt while lasting longer than the competition.

millMAX UMD™ is the product of FLSmidth Krebs continual effort to partner with our customers by listening to their feedback and improving our designs to best meet their needs. 

The Ultimate Mill Discharge Pump is designed for the harshest abrasive environment.

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Please click the link and a Sales Representative will get back to you as soon as possible. KREBS Inquiry Form


FLSmidth Krebs, Inc.  (Main Office)
5505 W. Gillette Rd.
Tucson, AZ 85743-9501 U.S.A.

Phone: +1-520-744-8200
Fax: +1-520-744-8300

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millMAXTM Pumps 

Add a millMAXTM pump to your separation process and watch your pumping costs drop.  As a leader in cyclones technology, we make sure your pumping system optimizes your separation requirements.

KREBS gMAXTM Hydrocyclones

Optimum cyclone performance relies on minimizing turbulence while maximizing tangential velocity. Krebs primary focus is proper design, selection and application of hydrocyclone systems to provide the best product to our customers.

TechnequipTM Valves 

The Technequip knife gate valve is a true bi-directional slurry knife gate valve. It's massive rubber sleeves were designed to seal and withstand the harsh abrasive duty inherent in mining and milling facilities.