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Pumps | Shaft sealing

Paper mill process pump shaft cartridge seal

Problem

The customer was experiencing a mean time between failure of the mechanical seals of 3 - 6 months. This was resulting in excessive maintenance and downtime, in turn leading to rising costs.

Application

Paper and pulp mill in Poland, Scanpump BA 250/250-32.

  • Shaft diameter: 65 mm (2 ½")
  • Shaft speed: 5 m/s (984 ft/min)
  • Discharge pressure: 3.7 bar (37 kPa)
  • Media: black liquor
Existing solution

Single mechanical seal

James Walker solution

A KlickFix cartridge was installed in an effort to prolong the seal life cycle and reduce the costs associated with regular adjustment and replacement.

The KlickFix uses a sequentially deployable sealing lip system and contains five lips. As and when the stored lips need to be utilised, the process can be undertaken in a matter of minutes.

Results and benefits

After over 10 months, the KlickFix cartridge is still in operation using the first lip. With a further four lips ready to be deployed when required, the cartridge is offering a massive improvement in seal life cycle. The customer has already reported cost savings through reduced downtime and maintenance.

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Reduced costs related to regular seal replacement
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Improved operational efficiency due to less downtime
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Significant reduction in maintenance
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KlickFix® cartridge systems

This sequentially deployable multi‑lip sealing cartridge is an innovative alternative to mechanical seals and compression packing for sealing pump shafts and other rotating plant.

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KlickFix® cartridge systems

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