Seals Engineered for Every Application.

From single to dual cartridge seals, Paradigm delivers reliable, easy-to-install solutions that reduce downtime and extend equipment life.

A metallic bearing component placed on a blue surface.

Innovative Cartridge Seals for Every Application

Paradigm Seals offers innovative cartridge seals designed for performance, simplicity, and long-term reliability. Our product line includes the A1 Single Cartridge Seal, the A2 Dual Cartridge Seal, and the A1 Short Cartridge Seal — along with Specialty and Custom Seals engineered for unique applications. Each is built with our signature innovations like FastGrip™, TriLock™, and QuickCore+™, giving you what we call The Paradigm Advantage. Not sure which seal is right for you? Use our interactive Find Your Seal Form to match by pump model, size, or industry.

Close-up of a shiny, metallic mechanical component with a large central hole, several grooves, and screw fittings on a plain gray background.

Our flagship product, the A1 Single Cartridge Seal, is designed to simplify installation while reducing maintenance costs. Built with our proprietary FastGrip™, TriLock™, and QuickCore+™ systems, the A1 is ideal for standard pump applications across industries.

Key Benefits:

  • Includes FastGrip™, TriLock™, and QuickCore+™ innovations

  • Fast installation without set screws → protects shafts and sleeves

  • Automatic alignment with TriLock™ for reliable performance

  • Easy drop-in repair with QuickCore+™ system

  • Cost-effective, long-lasting design

Best For:
Water/Wastewater, Power, Food & Beverage, Agribusiness

View A1 Seal Specs
View QuickCore+™ Single Specs

A1 Single Cartridge Seal

Close-up of a metallic wheel hub with five bolt holes and a central bearing, placed on a blue surface.

Engineered for demanding environments, the A2 Dual Cartridge Seal offers the same core innovations as the A1, plus advanced features for higher stability and improved cooling.

Key Benefits:

  • Includes FastGrip™, TriLock™, and QuickCore+™ innovations

  • Integrated axial flow pumping ring for better fluid circulation

  • Compact design keeps seal faces closer to bearings → improved stability

  • Designed to handle more complex pumping applications

Best For:
Oil & Gas, Power Generation, Chemical Processing

View A2 Seal Specs
View QuickCore+™ Dual Specs

A2 Dual Cartridge Seal

A1 Short Cartridge Seal

The A1 Short is built for applications where space is limited or a flush system is not required. It delivers reliable sealing performance at a lower cost while maintaining the advantages of Paradigm’s signature design.

Key Benefits:

  • Space-saving design for tight installations

  • Lower-cost option without sacrificing reliability

  • TriLock™ and FastGrip™ features for easy alignment and installation

Best For:
Small footprint equipment, cost-sensitive applications

View A1 Short Specs

Close-up of a metallic mechanical component, possibly a part of a machine or engine, mounted on a surface with some wires and tools visible around.

Specialty / Custom Seals

When standard seals don’t fit your application, Paradigm offers engineering support to design custom and specialty seals. From unusual pump sizes to unique chemical environments, we create solutions tailored to your needs.

Key Benefits:

  • Custom-engineered solutions

  • Support for specialized industries and equipment

  • Backed by Paradigm’s innovative design philosophy

Contact Us for Custom Solutions

The Paradigm Advantage

  • FastGrip™

    No set screws, faster installation, and no shaft damage.

  • TriLock™

    Automatic centering in all axes ensures proper performance.

  • QuickCore+™

    Drop-in repairs make maintenance faster, cheaper, and easier.

Not sure which seal is right for your pump?
Use our interactive form to match by pump model, size, or industry application.