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As shown in Figure 1, sealing devices come in two types: contact and non-contact.
Oil seals are among the major contact type sealing devices.

In conclusion, square rubber gaskets are versatile sealing solutions that play a vital role in various mechanical applications. Their flexibility, durability, and reliability make them an essential component for ensuring leak-free and efficient operations. By choosing high-quality square rubber gaskets and following proper maintenance practices, users can enjoy long-lasting and effective sealing solutions for their applications.