General-Purpose Rotary Shaft V Seal (A)

Parker’s “A” style V seal, also called a V ring, is primarily used for the exclusion of dirt, dust or water as well as retention of grease or other viscous fluids. 

The V seal may also be used as a secondary seal to protect primary seals by excluding contamination in hostile environments.

How it works: The seal body has a stretch fit on the shaft and the flexible lip seals against the counter face. As the shaft rotates the seal also acts as a slinger. 

Centrifugal force produces a decrease in contact pressure of the elastomer lip as speeds increase – keeping frictional losses and heat to a minimum.