
Chesterton Polymer Seals
Hydraulic/Pneumatic Seals
Ancillary Devices
16K - Replaceable, split bearing coils for presses
17K - Replaceable, split bearing coils for presses
18K - Replaceable, split bearing bands for cylinders
19K - Replaceable, split bearing bands for cylinders
9K anti-extrusion rings - Anti-extrusion or backup rings
Compression Seal
20KD - O-ring upgrade, static seal design
Custom Cap Seal (CCS) - Bi-directional, single cavity sealing system
Piston Cup
7K - single-acting piston cup with supporting brass disc
Piston Seals / Stacked Sets
27K - Single acting, split stacked hydraulic set
8K - Single acting, split stacked hydraulic set
Piston Seals / U-cups
10K - Single-acting, u-cups for hydraulic/pneumatic presses
22K - Single-acting, u-cup for hydraulic cylinders/presses
22KE - Single-acting, u-cup eliminates low pressure leakage
22KN - Single-acting, u-cups for hydraulic/pneumatic presses
23K - Single-acting, u-cup for pneumatic equipment
Rod Seals / Stacked Sets
11K - Single acting, dual polymer split hydraulic seal
600 - Single acting, split stacked hydraulic set for worn equipment
8K - Single acting, split stacked hydraulic set
27K - Single acting, split stacked hydraulic set
Rod Seals / U-cups
10K - Single-acting, u-cups for hydraulic/pneumatic presses
22K - Single-acting, u-cup for hydraulic cylinders/presses
22KE - Single-acting, u-cup eliminates low pressure leakage
22KN - Single-acting, u-cups for hydraulic/pneumatic presses
23K - Single-acting, u-cup for pneumatic equipment
6K - Single-acting, u-cup for worn hydraulic equipment
Wipers
21K - Abrasion resistant wiper for hydraulic and pneumatic applications
5K - Abrasion resistant wiper for hydraulic and pneumatic applications
Canned Wiper - Abrasion resistant press fit wiper for hydraulic and pneumatic applications
Rotary Seals
Bearing / Gearbox Protection
30K - Continuous design, high performance lip seal
33K - Split seal design for bearing and gearbox protection
Restrictor Bushing
14K - restrictor bushings for rotary equipment
Spring Energized Seals
Spring Energized Seals
100 Series - Cantilever spring energized seals, highly dynamic applications
300 Series - Helical wound spring energized seals, slow speed and static applications
400 Series - High performance, multi-purpose rotary seals
500 Series - High performance, multi-purpose stacked sets

Split seal design for bearing and gearbox protection
Chesterton® patent pending 33K’s split rotary seal design can be used on in many non-pressure applications including bearing protection for pumps, gearboxes and rollers. The innovative 33K split design eliminates the need and associated costs for equipment disassembly while improving seal performance of conventional lip seals. Installation time can be reduced from hours to minutes because the split assembly is unitized installing quickly and easily.

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