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Stock Chest Agitators

Stock Chest agitators can be found in Pulp Mills all around the country.


A Wisconsin paperboard manufacturer was having leakage problems on their side entry stock chest agitator.

Before - Issues they were having:

  • Water loss
  • Bearing failure
  • Major safety hazard
  • Poor housekeeping
  • Shaft wear and scoring
  • Product loss
  • Cost of maintaining packing


The customer installed a split, aluminum OFX air purged CinchSeal with hard coat aluminum rotor cups on July 1st, 2007, and the seal has been running without incident ever since.

After - Problems now solved:

  • No bearing failure since 2007
  • Improved safety and house keeping
  • Shaft wear eliminated
  • Product loss eliminated
  • Cost savings by eliminating packing
  • Unscheduled down time eliminated

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