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White Liquor-Chip Top Circulation Pump

Application: Continuos Digester Top Circulation White liquor/Chip Pump
Old Sealing System: John Crane Safematic Double Mechanical seal
New Sealing System: Chesterton 1400R Graphite Packing/ Spiraltrac Version P
Date of Installation: November 2001

 

Problem:

Very High Maintenance costs due to continual seal failures 3-4 per year causing plant shutdowns. Bad history of performance for many.

Result:

Pump now runs with Gland reliability from Annual shut to Annual shut with out continual maintenance.