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Main V-ring functions

V-rings are suitable for both grease and oil lubricated applications. For sealing grease lubricated bearing arrangements and protecting against contaminants, the V-ring should be arranged outside the housing cover or housing wall. Dust, water spray and other contaminants can be excluded in this position (fig 1). The V-ring can also act as a grease valve, where used grease or excess new grease can escape between the counterface and the sealing lip (fig 2). The installation of two opposing V-rings can be used in applications where lubricant retention and contaminant exclusion are of equal importance (fig 3).
If V-rings are used to retain oil, they should always be located axially on the shaft on the lubricant side (fig 4).
V-rings should not be submerged in the application medium.
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