Reliable Mechanical Seals. Simplified Installation.
Proven Quality.
Paradigm Seals™ designs cartridge seals that are first in simplifying installation and removal — protecting pump sleeves and shafts, cutting downtime, and delivering long-lasting performance across every industry.
The Paradigm Advantage
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FastGrip™ Friction Drive
No set screws, no shaft or sleeve damage. Faster installation every time.
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TriLock Bushing™
Automatically centers seals on three axes. No clips to lose or remove, always the right spring load.
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QuickCore+™
Drop-in core replacement. Keep repairs in-house, restore seals to new in minutes.
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Family-Owned.
We’re committed to quality, trust, and partnerships that last.
A Seal for Every Application.
A1 Single Cartridge Seal
Our most popular seal — fast installs, reduced costs, maximum reliability.
View A1 SealA2 Dual Cartridge Seal
Compact design with built-in pumping ring for stable, high-performance applications.
View A2 SealA1 Short Cartridge Seal
Same innovative design, made for tight spaces and cost-conscious operations.
View A1 Short Seal
See All Products
Engineered to Fit the Pumps You Run Every Day
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ANSI Pumps
Precision Fit for Standard ANSI Process Pumps
Built for the rigorous demands of chemical and industrial process service — easy installs, reliable sealing. -
End-Suction Pumps
Simplified Sealing for Common Plant Workhorses
Fast, dependable installation keeps your single-stage end-suction pumps online longer. -
Vertical Pumps
Reliable Seals for Vertical Turbine & Sump Applications
Engineered to handle challenging alignment and shaft conditions while reducing maintenance. -
Split-Case Pumps
Long-Life Sealing for High-Flow, Double-Suction Pumps
Designed to minimize downtime and protect shafts in large, high-volume systems. -
The Right Seal, Every Time.
Use our easy tools to match seals by pump model, size, or industry application.
Industries served
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Water & Wastewater
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Oil & Gas
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Power Generation
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Food & Beverage
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Agribusiness
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.