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The material composition of coupling sleeves is critical to their performance. They are often made from high-strength materials like steel or stainless steel, offering durability and resistance to corrosion. These materials ensure the sleeves can withstand the high pressure and harsh environments prevalent in hydraulic systems These materials ensure the sleeves can withstand the high pressure and harsh environments prevalent in hydraulic systems
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What are Oil Seals and how should they be ordered?
Lip Seals
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.
There are several key factors to consider when you are selecting the oil seals for your next project to ensure that you protect your machinery from immediate and long-term damage.
PTFE Lip seals
ERIKS
Oil seals are used in a great many devices for steel production equipment.
Figure 7 shows the places where each seal type is used in a rolling mill.

Material Code ISO 1629
Table 2: How to select the seal type



