Engineering Reliability. Simplifying Sealing.
Paradigm Knowledge Center
Whether you're selecting a mechanical seal, troubleshooting a recurring failure, or looking for ways to improve equipment reliability, you'll find practical engineering guidance based on more than 100 years of combined sealing experience. Explore technical articles, installation guides, application resources, and proven best practices to help you reduce downtime and make confident maintenance decisions.
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Mechanical Seal Basics
Installation & Maintenance
Troubleshooting & Reliability
Seal Selection & Applications
Paradigm Engineering
Carbon vs. Silicon Carbide: Choosing the Right Mechanical Seal Faces
When it comes to mechanical seal performance, few decisions matter more than selecting the right seal face combination. The materials you choose directly affect seal reliability, pump uptime, and overall maintenance costs.
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.
Single vs. Dual Cartridge Seals: Which One Do You Need?
One of the most common questions pump operators face is whether to install a single cartridge seal or upgrade to a dual cartridge seal. Both options are engineered for reliability, but each serves a different purpose depending on your operating conditions. This guide will help you decide which is right for your pump.
Standard vs. Oversized Bore Seals: What’s the Difference?
When it comes to replacing or upgrading a mechanical seal, understanding bore size is one of the most important steps in selecting the right product. At Paradigm Seals®, customers often ask: What’s the difference between a standard bore and an oversized bore seal? This guide breaks it down so you can confidently choose the correct option for your pump.
How to Measure a Mechanical Seal Size (Step-by-Step Guide)
Selecting the right mechanical seal starts with accurate measurements. A mismatch—even by a fraction of an inch—can cause leaks, early failure, or costly downtime. This quick guide walks you through the three critical measurements: Outside Diameter (OD), Inside Diameter (ID), and Width.
Mechanical seals are critical components in pump systems, designed to prevent leakage, maintain pressure, and protect equipment. Their reliability directly affects production efficiency, operating costs, and plant safety. Proactive maintenance is the most effective way to extend seal life, reduce unplanned downtime, and ensure consistent performance. This checklist outlines best practices for routine inspections, scheduled maintenance, and long-term reliability.