
Double Cartridge Seals
250 - General Purpose Cartridge Dual Seal
The 250 is a value leader in its class. It is the ideal choice to reduce high maintenance costs and prevent wasteful leakage, shaft fretting damage, and inefficient downtime. Designed for baseline applications and for upgrading packed or component sealed equipment, the 250 seal makes general industrial sealing simple, reliable and affordable.
255 - Standard Cartridge Dual Seal
Built for the future of emissions control. The 255 Dual Cartridge Seal is designed to meet environmental regulations for emissions control. It is a proven performer for plant-wide standardization providing maximum reliability.
280 - Heavy Duty Cartridge Dual Seal
Upgrade to the new, higher level of reliability and performance in Heavy Duty Cartridge Sealing. The 280 Heavy Duty Cartridge Seal is specifically designed to handle demanding, high torque applications. This superior high performance product is an ideal selection for such difficult applications as high concentration black liquor, hard to seal monomers such as acrylonitrile, vinyl chloride monomer and any other potentially viscous solidifying liquids.
Dual Tandem Seal

225 - Standard Cartridge Dual Seal
The Chesterton 225 Dual Seal features in-series (tandem orientation) configuration with both inboard and outboard sets of faces orientated in the same direction and the outboard faces sealing on the outside diameter. In-series dual seals are recommended for higher-pressure applications.
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