
Paradigm Insights™
Engineering Reliability, Simplifying Sealing
Explore articles, guides, and resources from Paradigm Seals™—covering installation & maintenance, the Paradigm difference, pump compatibility & applications, seal sizing & selection, and strategies for long-term value & reliability. Our mission is to give operators the knowledge they need to make confident decisions and reduce downtime.
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How to Install the A1 Single Cartridge Seal | Step-by-Step Guide with Video
Installing a mechanical seal doesn’t need to be complicated. The Paradigm Seals™ A1 Single Cartridge Seal is designed for simplified installation, improved reliability, and reduced downtime. By following the proper steps, operators can ensure correct alignment, secure fit, and long-lasting performance.
To make installation easy, we’ve prepared this step-by-step video and guide.

Understanding Oversized Bore Mechanical Seals
When selecting a mechanical seal, confirming the correct bore size is just as important as choosing the right seal type and face combination. For many pumps, a standard bore will suffice. However, certain pump models and applications require an oversized bore. Misidentifying this detail can lead to incorrect orders, failed installations, and costly downtime.
This article explains what an oversized bore is, when it’s required, and how Paradigm Seals™ makes the selection process simple.