Mechanical Seals
Chesterton mechanical seals are high-performance sealing solutions engineered to reduce equipment downtime, improve reliability, and extend the life of pumps and rotating machinery. Whether you need single or double seals, split or cartridge designs, Chesterton offers a versatile portfolio of mechanical seal options tailored to your operational requirements, helping facilities improve equipment efficiency and lower maintenance costs.
With over 140 years of experience, Chesterton has built a global reputation for delivering reliable, high-quality sealing solutions that meet the toughest industrial challenges. Serving a wide range of industries, Chesterton has a proven portfolio of mechanical seal technologies that improve equipment performance and reduce total cost of ownership. Backed by decades of field expertise and a commitment to innovation, Chesterton continues to set the standard for mechanical sealing technology.
Product Categories
Our Products
1510/1510L
General Duty Single Cartridge Seal
155
170
170L
180
Heavy Duty Single Cartridge Seal
1810
Heavy Duty Modular Single Cartridge Seal
225
Tandem Double Cartridge Seal
250/250L
General Purpose Double Cartridge Seal
2510
General Duty Double Cartridge Seal
255
280
2810
440/440M External Single Component Seal
4400
Double Concentric Gas Seal
442/442HP
442C
491 DIN Rotary Internal Single Seal (Global)
General Purpose Single Component Seal
891 Rotary Inside Single Seal
BSS Tank System
Buffer Support System for Double Seals
Flow Guardian™
Increase Operational Efficiency & Reduce Failures
Intelli-Flow™ HT
ISS
PSS Tank System
Barrier Support System for Double Seals
RBS Single Component Seal
Elastomer Bellows Single Component Seal
S10
S20
High Performance Cassette Tandem Double Seal
Self-Aligning Stationary Seal (SAS)
Adjusts for Equipment Misalignment
SpiralTrac®