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How the Unique Design of Our DuraPack® System Keeps Flush Water Flowing in the Toughest Conditions

November 1, 2025
Peter Chilton - Marketing Manager

At SealRyt, we developed the DuraPack® System to address a common challenge faced by many industrial pump operators: keeping flush water flowing and bearings operating smoothly, even in tough conditions.

Our PackRyt®BLR product combines shaft stabilization with a bearing-mounted lantern ring, but some applications require a removable lantern ring that can be cleaned and reused.

That’s where the DuraPack®System comes in.

 

It’s unique design provides shaft stabilization while allowing the lantern ring to be easily removed, cleaned, and reinstalled, making it perfect for situations where flush lines can clog.

Why DuraPack® Makes a Difference

DuraPack® is ideal for pumping applications where solids can enter the bearing and clog the flush water system, such as:

●     Paper pulp processing

●     Mining operations

●     Milling and slurry applications


Its design maximizes flush water delivery to the shaft or sleeve surface while minimizing restrictions and clogging. Unlike our PackRyt® BLR, which provides maximum bearing support, DuraPack® offers the best of both worlds, reliable shaft stabilization and a removable lantern ring for easy maintenance.

 

While we consider DuraPack® our “second tier” solution in terms of bearing support and stability, many customers find it to be their first choice for challenging flush water applications.

If your operation struggles with clogged lantern rings or inconsistent flush water, the DuraPack® System could be the solution you’ve been looking for.

 

Learn more about the DuraPack® System here.

If you want to learn more about pump seals, mechanical packing, failure points, or any rotating shaft sealing questions then contact one of our engineers. We have been sealing shafts for over 20 years in all types of industries.

Questions? Ask our Engineers.

SealRyt Corp. is the industry leader in rotating shaft sealing technology. Our engineers have years of experience in the science of sealing. That's why we hold multiple patents on sealing technology. That's also why our products last longer, get better results, and simply seal better than any other products available.

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TESTIMONIALS

"Your product has performed as advertised and the service by your team has exceeded what was expected. Great job by everyone at SealRyt."
– Steve C., Maintenance/Shutdown Planner
"The PackRyt system works better than every other option that we tried."
– Pulp Mill Supervisor
"A good product, in the right application, that has served the mill well..."
– Andy B, Maintenance Supervisor
Read More Testimonials