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Wipers, Excluders and Scrapers

Exclusion devices

Exclusion devices also known as Wiper Rings or Scrapers are installed in sealing configurations to exclude foreign particles such as sand, grit, dirt, water, abrasive media, etc. They are normally installed in the piston rod gland housing and wipe the piston rod during retraction. They prevent contamination of the hydraulic fluid, which could otherwise damage valves, seals, wear rings and other components.

Eriks Sealing Technology offers a comprehensive range of metallic and polymeric Exclusion devices. These configurations include combinations of elastomeric, metallic and PTFE based material Exclusion/Wiper lips, which are configured to the application requirements. ERIKS also provide both single-acting and double acting wiper ring designs.
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