To act as a barrier and prevent dirt, contamination and other external entities from entering the system containing the lubricating oil.
An oil seal consists of:
6. AMOUNT OF LUBRICANT: Seals perform better when lubricated but some machines will go through some dry spells. When this occurs using a leather or PTFE seal will be more beneficial as those type of seals can operate with less lubrication.
Material Code ISO 1629
Oil seals come with various lip designs, each serving a unique purpose and suitable for different applications. Let’s discuss the most common industry-standard lip designs: