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Description
| The seals shown in the product tables are intended for the sealing of openings between a rotating and a stationary component or between two components in relative motion. The tasks of the seals are �C to retain lubricant �C to exclude contaminants �C to separate fluids or gases �C to withstand differences in pressure. The seals should also perform adequately with a minimum of friction and wear even in critical applications or under unfavourable operating conditions. In order to meet varying demands, seals are produced in many designs and in different materials. Each of these design and material combinations has specific properties which make it more, or less, suitable for a particular application. Many factors influence the choice of an appropriate seal including the operating conditions, such as �C type of lubrication �C sliding velocity at the sealing surface (counterface) �C whether the seal is to be mounted vertically or horizontally �C misalignment or deviation from coaxiality of the shaft. The seal environment must also be taken into account, for example, whether �C chemical or mechanical factors and/or �C thermal conditions can influence seal performance. The available space, requirements regarding sealing efficiency and finally the viable cost must all be considered. Depending on the application one or other of the influences will dominate so that universally valid rules for the selection of the appropriate type or design of seal cannot be given. The following comments regarding the properties of the different seals should, however, give some guidance. |
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SKF oil seals-02
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