Can the external flushing be eliminated for high-temperature-resistant bellows seals?

2022-01-19View Original

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No. a. A clean external flushing can wash away dirty particles around the seal, keeping the liquid film between the end faces clean and preventing abrasive wear of those end faces. b. External flushing at a constant temperature can ensure stable sealing performance and prevent the elastic elements from losing their elasticity due to high temperatures. Therefore, not only is external flushing indispensable for dirty media, but even though waveplates are made of heat-resistant metals that do not lose their properties at high temperatures, some high-temperature media still require external flushing for cooling in order to maintain a stable liquid film on their end surfaces and prevent vaporization.

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Can the external flushing be eliminated for high-temperature-resistant bellows seals?

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