Blocking Contamination: The Importance of Effective Bearing Protection

Effective bearing seals are important to long and trouble-free life in a wide range of rotating equipment in water and wastewater treatment plants.
Blocking Contamination: The Importance of Effective Bearing Protection
Figure 3. A modern labyrinth bearing protection seal on an Archimedean screw fitted in a wastewater treatment plant.

A study of equipment reliability at an industrial plant found that 40 percent of overall failures of rotating equipment, such as pumps and mixers, were due to bearing failure.
It also found that 48 percent of the bearing failures were due to particle contamination and 4 percent...

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