Shaft seals ensure a safer working environment in polymer processing plant

Overview:

A U.S. manufacturer of liquid crystal polymer for medical plastic supplies solved a problem with the seals on its two vacuum mixers/dryers.

A U.S. manufacturer of liquid crystal polymer for medical plastic supplies solved a problem with the seals on its two vacuum mixers/dryers. During the drying process, the fine, aromatic polyester powder emitted vapors that could be lethal if inhaled. When the machine was filled or emptied, the building had to be evacuated. After trying two high-maintenance seal options, the manufacturer found a third seal that ran maintenance free for 14 months.

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