Barrier System for Mechanical Seal
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United States of America Patent
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Issued Date -
Dec 18, 2014
app pub date -
Jun 11, 2014
filing date -
Jun 12, 2013
priority date (Note) -
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Abstract
A barrier system for a dual mechanical seal, the system comprising means for controlling barrier fluid pressure relative to product pressure. The pressure control means comprises means for monitoring the volume of barrier fluid in the system and for supplying additional fluid to the system to maintain the volume within a desired range. The system further comprises means for maintaining the barrier fluid pressure at a pre-determined pressure above product pressure.
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