Rotary Seals - Dilanda.it
Rotary Seals - Dilanda.it
Rotary Seals - Dilanda.it
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Axial Shaft Seal<br />
Standard versions<br />
Type I<br />
Axial shaft seal w<strong>it</strong>h internal sealing lip, primarily for<br />
sealing of fluids (Figure 75).<br />
The seal is generally pressf<strong>it</strong>ted in the housing w<strong>it</strong>h the<br />
sealing lip against the rotating shaft. The seal should<br />
always be installed so that the sealing lip is flushed by the<br />
fluid. Dry running must be avoided.<br />
Medium / pressure<br />
Sealing surface<br />
The lim<strong>it</strong>s for speed, pressure and contact force of the<br />
sealing lip can be found in Table LII, and Table LIII.<br />
Figure 75<br />
Type I, internal sealing<br />
Type A<br />
Axial shaft seal w<strong>it</strong>h external sealing lip for sealing against<br />
grease (Figure 76).<br />
At low speeds and w<strong>it</strong>h a very good, preferably ground or<br />
lapped contact surface, <strong>it</strong> can also be used for sealing<br />
against fluids.<br />
The lim<strong>it</strong>s for speed, pressure and contact force of the<br />
sealing lip can be found in Table LIV and Table LV.<br />
Sealing surface<br />
Medium / pressure<br />
For fluid sealing, the maximum permissible speed is<br />
reduced to one-third of the value shown in the tables.<br />
Figure 76<br />
Type A, external sealing<br />
178<br />
Latest information available at www.busakshamban.com<br />
Ed<strong>it</strong>ion April 2006
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