v-ringsealscatalogue

The Quad-ring® joint acts by deformation and is equipped with a double sealing edge. The axial or radial sealing force depends on the deformation of the seal, which increases with the pressure of the fluid itself. Quad-ring® seals are installed in grooves of rectangular cross-section with rounded groove bottom corners and rounded or chamfered edges. The efficiency and service life of these joints depends on the roughness and finish of the surface they rub against.

skf v-ringsealscatalogue

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Made entirely of rubber, v-rings can be easily stretched to fit over assembled parts and one size can fit a number of shaft diameters. The soft sealing lip provides a low friction surface contact and can readily tolerate out-of-round, misaligned and eccentric shaft movement.

V-rings are mounted to the shaft and can be used as a face seal, lip seal or more commonly as a flinger where centrifugal forces from the spinning shaft deflect fluids away from a counter-face surface.

Although the range of sections available is smaller than for O-rings, Quad-Ring® seals can be installed in standard O-ring pockets. In addition, they offer certain advantages over O-rings: