SpiralTrac™ for KREBS® millMAX™ Slurry Pumps

KREBS© millMAX™ Slurry Pumps are globally recognized by the industry for their reliability and efficiency. To further extend the life of your sealing solution in your millMAX™ slurry pump, use a Packing Version SpiralTrac™. We already designed it for you.

Krebs SpiralTrac Bulletin header image


Gain all the benefits of our Packing Version SpiralTrac™, specifically designed to fit in KREBS millMAX™ Series Slurry Pumps. The SpiralTrac Environmental Controller replaces the OEM L-shaped bushing and bottom packing ring if a high flow configuration, or the bottom packing ring and lantern ring in a low flow configuration.


krebs spiraltrac illustration



KREBS Model Size SpiralTrac part #* Packing rings required
MM80 3x2-9 PM06400RS08300(XXX)11-0648 3
MM100 4x3-12 PM08600RS11200(XXX)11-0649 3
MM100 4x3-17 PM08600RS11200(XXX)11-0649 3
MM150 6x4-16 PM11000RS14200(XXX)11-0650 3
MM150 6x4-21 PM11000RS14200(XXX)11-0650 3
MM200 8x6-20 PM11000RS14200(XXX)11-0650 3
MM200 8x6-24 PM11000RS14200(XXX)11-0650 3
MM250 10x8-24 PM14000RS17800(XXX)11-0651 3
MM300 12x10-30 PM14000RS17800(XXX)11-0651 3
MM350 14x12-36  PM17780RS21700(XXX)11-0622 3
MM400 16x14-39 PM17780RS21700(XXX)11-0622 3
MM500 20x18-46 PM22860RS28000(XXX)11-0656 4
MM600 24x20-54 PM27940RS33100(XXX)11-0623 4
MM700 28x26-64 PM27940RS33100(XXX)11-0623 4
UM900  - PM36830RS42000(XXX)12-0107 5

 *please replace "XXX" with Material ID for complete part # when ordering.

For Material ID and material recommendation visit the Material Options page.

krebs spiraltrac device


 For ordering, please contact your local A.W. Chesterton representative or reach out to us.

Download SpiralTrac for KREBS Bulletin PDF


KREBS millMAX is a trademark of FLSmidth Group.