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The term "seal" refers to various types of products used in mechanical sealing. These include scrapers, pads, rubber rings (also known as O-rings), and the primary product commonly called a seal.

Seals are placed between two surfaces to prevent material leakage between two chambers or into the external environment. They are categorized into several types, with the main ones being:

  • In hydraulic and pneumatic systems: Elastic seals are primarily used to seal the system between two surfaces, where one is typically stationary, and the other is mobile.
  • In industrial applications: Seals protect mechanical parts, such as bearings or pistons in pumps, from external factors (dust, mud, moisture) while preventing material leakage (oil, grease) outside the system to maintain lubrication.

In hydraulic and pneumatic applications, other components interact with seals, such as:

  • Scrapers: These form the outer wall of the system and protect components from external elements like dust, mud, and dirt.
  • Rubber rings (O-rings): These seal and prevent material passage between two surfaces. They are often combined with other sealing products to strengthen the system.
  • Guides (commonly known as "bones"): These prevent friction between two surfaces (one mobile and one stationary), avoiding unwanted results such as component wear or even complete failure.

While these are the primary categories, others include brakes, pads, springs, and more.

Seals and related components are further divided into subcategories based on their shape and material. Using an incorrect seal can shorten its lifespan or cause sealing failure. Proper dimensions are also crucial for a successful fit.

Finally, the above principles for seals apply equally to all related components.

Seals
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