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Chesterton® Mechanical Seals

Chesterton Customseal are experts in high-performance seals for a variety of applications. Chesterton® innovative, award-winning mechanical seals for pumps, agitators, mixers, and other rotating equipment simplify installation, improve reliability, and extend the performance of fluid handling. Companies around the world turn to A.W. Chesterton Company for expertise in cartridge seals and mechanical seals – in design, selection, installation, field service, and more.

Get in touch with your nearest Chesterton® mechanical seals distributor or fill in an inquiry form.

Explore Chesterton® Mechanical Seals on chesterton.com

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Split Seal Technology

The leader in split seal technology with solutions from 25mm to 900mm (1”-35”) that cover applications from double-ended pumps, screw feeders, and boiler feed pumps to Kaplan turbines

Slurry Sealing

An innovator in slurry sealing technology, engineering for harsh, heavy consistency slurry environments. Helping reduce product dilution and increasing production rates.

SpiralTrac™

Innovative and patented SpiralTrac environmental control technology to increase reliability in slurry handling and contaminated process streams.

Chesterton 442C XL Cartridge Split Mechanical Seal

Equipment disassembly leads to high maintenance and operating costs as well as safety risks. The Chesterton 442C XL Split Seal, which suits equipment shafts from 5.00" (125 mm) up to 7.75" (195 mm), allows for seal installation without disassembly of large pumps, helping customers avoid extended downtime, lifting of heavy components, and disruption to nearby equipment.

1810 Heavy-Duty Modular Single Cartridge Seal

Leveraging Chesterton’s proprietary AXIUS modular platform, the Chesterton 1810 can be configured with several different face profiles and auxiliary components which allows performance to be tailored to a wide range of process conditions. A plant-wide sealing solution, the 1810 is effective for both simple and highly demanding applications.

2810 Heavy-Duty Modular Double Cartridge Seal

This Chesterton® double cartridge seal offers you the ultimate in seal quality, flexibility, and emissions control. Leveraging Chesterton’s proprietary AXIUS modular platform, the 2810 can be configured with several different face profiles and auxiliary components within a common gland housing. This flexibility allows seal performance to be tailored to a wide range of process conditions.

Chesterton 442 Split Seal

The Chesterton 442 split seal is ideal for equipment that is difficult and time-consuming to disassemble, such as large pumps, vertical pumps, and horizontal split case pumps. This proven, compact design can be used in a wide variety of equipment and process fluids. The patented, high-performance split technology allows the 442 to operate from vacuum to high pressures.

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Our team is here to help answer your questions about our range of hydraulic seals, rotary seals and more.