Products → Cartridge Seals

Cartridge Seals

Progressive Sealing offers a full line of Chesterton cartridge seals built for fast, accurate installation and long-term, reliable performance. These factory-assembled, pressure-tested seals eliminate the complexity of traditional component seals, helping reduce installation time, minimize errors, and improve maintenance efficiency.

Engineered to handle tough operating conditions including high pressure, extreme temperature, and corrosive media, Chesterton cartridge seals are ideal for pumps, mixers, agitators, and other rotating equipment used across industrial applications. Available in both single and double seal configurations, and offered in a wide range of materials and gland styles, these seals provide the flexibility to meet specific equipment requirements while supporting plantwide standardization and consistent sealing performance. With their robust design and proven durability, Chesterton cartridge seals help enhance reliability, reduce downtime, and extend equipment life across demanding environments.

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A large metal valve with a circular opening, multiple handles, and attached components, used in industrial piping systems.

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Progressive Sealing supplies Chesterton cartridge seals designed for quick, reliable installation and long-lasting performance. These pre-assembled, pressure-tested seals reduce installation errors and are built to handle tough conditions like high pressure, temperature, and corrosive fluids. Available in single and double configurations, they’re ideal for pumps, mixers, and rotating equipment across a range of industries.

Close-up of a telescope mirror with the brand name 'Ches CETERTON' visible.
A metal mechanical component, likely a precision machining part or a coupling, with a circular shape and multiple holes around its circumference.

150/150L

General Duty Single Cartridge Seal

Close-up of a metal cutting tool or insert with multiple cutting edges and red markings on top

225

Tandem Double Cartridge Seal

A metal mechanical part with multiple rectangular extensions radiating from a central circular opening.

2810

Heavy-Duty Modular Double Cartridge Seal

Metal mechanical component with bolts and gold-colored connectors.

1510/1510L

General Duty Single Cartridge Seal

180

Heavy Duty Single Cartridge Seal

A metallic milling cutter with multiple cutting edges and a central hole for attachment.

1810

Heavy-Duty Modular Single Cartridge Seal

A circular industrial machine part with multiple protruding arms, gray in color with yellow accents, used in manufacturing or machining.
A metallic industrial component with a circular shape and adjustable parts, likely a mechanical or technical device.

2510

General Duty Double Cartridge Seal

CNC machining part with metallic and blue accents, featuring a circular hole and multiple cutouts.

S20

High Performance Cassette Tandem Double Seal

A metal machining part with multiple cutting inserts arranged around a central hole.

250/250L

General Purpose Double Cartridge Seal

Metal mechanical part with bolts and a central hole, likely a machining component or fitting.

S10

High Performance Single Cassette Seal

280

Heavy Duty Double Cartridge Seal

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