The function of the garter spring in lip seals is to

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Prepare for the Industrial Maintenance Test with study guides, flashcards, and multiple-choice questions. Each question includes hints and explanations to help you succeed. Master the concepts and ace your exam!

Multiple Choice

The function of the garter spring in lip seals is to

Explanation:
The garter spring provides preload to the seal lip so it stays pressed against the shaft. This keeps a consistent sealing contact, especially as internal pressure tends to push the lip away or as the shaft experiences wear or runout. By maintaining that contact, leakage is reduced and the seal remains effective across pressure changes. It’s not primarily about reducing friction or about tolerating more leakage or handling thermal expansion—the spring’s main function is to ensure the lip stays against the shaft to maintain a reliable seal.

The garter spring provides preload to the seal lip so it stays pressed against the shaft. This keeps a consistent sealing contact, especially as internal pressure tends to push the lip away or as the shaft experiences wear or runout. By maintaining that contact, leakage is reduced and the seal remains effective across pressure changes. It’s not primarily about reducing friction or about tolerating more leakage or handling thermal expansion—the spring’s main function is to ensure the lip stays against the shaft to maintain a reliable seal.

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