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- One, nitrile rubber
- 3. Industrial machinery NBR oil seals are used in pumps, compressors, hydraulic systems, and gearboxes.
2. Silicone – Used in specific applications where only light loads are applied.
Fluid side face - ,。,,。,。,,,。,。
- Heat range is another important consideration when selecting a spark plug
Figure 6: Recommended housing bore chamfers (shouldered bore)
Table 7: Shaft design checklist
Car Iridium Spark Plug: Advantages and Performance
Automotive Gaskets: Diverse Applications and Materials


Heat and attrition are generated by the parts moving against each other. The sealing function can only be ensured if an intentional defined leakage of oil is able to exit for seal lubrication, preventing seal wear and possible failure, while a tight static seal between shaft and sealing lip must be assured when the shaft is stationary.
Do you need advice?
How are Oil Seals made?
Oil Seal Installation Guide
Fluid Types - Various oil seals are able to withstand interactions with oils, fuels, grease, water and more. Knowing what type of fluid the rotary shaft seal will be in constant contact with will ensure the longevity of the seal and surrounding components.