Wipes Seals / Scraper Seals
Wiper seals are also known as Scraper seals. They tend to be used in conjunction with other sealing elements.
Hydraulic Scraper Seals
The primary function of hydraulic scraper seals is to scrape off any foreign particles that may be present on the rod or shaft as it retracts into the cylinder. They create a barrier between the external environment and the internal hydraulic fluid, ensuring that only clean fluid is allowed into the cylinder.
Scraper seals are typically made from elastomeric materials such as rubber or polyurethane, chosen for their durability, flexibility, and resistance to abrasion. They are designed with a lip or scraping edge that contacts the rod surface, effectively removing any debris or contaminants that may adhere to it.
Design and Installation
The scraper seal is installed in a housing or groove within the hydraulic cylinder, with the lip facing outward. As the rod moves in and out of the cylinder, the scraper seal sweeps along the rod, scraping off any dirt or particles and preventing them from entering the cylinder.
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