S10 & S20 High Performance Cassette Seals

High-Performance Modular Cassette Seal

These high-performance mechanical seals have a unique modular cassette design that combines advanced seal technology with flexibility in maintenance and repair. Repair becomes a matter of simply exchanging cassettes, making it faster and easier, while significantly reducing costs.​

For additional information: Manufacturer's Website open_in_new


ElastomersFKM, EPDM, FEPM, ChemLast™
FacesCB, SSC, TC
Metals1.4401 (316SS)
Pressure Limit711 mm (28") Hg Vacuum to 30.6 bar g (450 psig)
Shaft Speed25 m/s (5000 fpm)
Sizes25 mm to 120 mm (1.00" to 4.75")
Springs2.4819 (Alloy C-276)
Temperature Limit-55° C to 300° C (-67˚ F to 570˚ F)

Options & Accessories

Replaceable Cassettes
Save money by replacing the easy-to-install cassette and reuse your existing S10/S20 seal housing.
PSS Pressurized Support System for Dual Seals
Standard Plan 53A Tank The Chesterton Pressurized Support System (PSS) is a complete solution for the support of dual seals where product leakage cannot be tolerated. Supplied ready to...
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WSS Water Saving System for Dual Seals
Plan 53P Automatic Water Support Tank The Chesterton Waster Saving System (WSS) is a complete seal support system designed to maintain water barrier pressure and levels without maintena...
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BSS Buffer Support System for Dual Seals
Plan 52 Non-Pressurized Tank The Chesterton Buffer Support System (BSS) is a complete solution for the environmental support of dual seals where product contamination from support fluid cann...
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SpiralTrac Environmental Controller
The SpiralTrac™ Environmental Controller is an exclusive, patented throat bushing specially engineered to transform and control the internal stuffing box environment in rotating process equipme...
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