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3. Antimicrobial Effects Emerging studies have shown that pentadecanoic acid may exhibit antimicrobial properties. This aspect could be relevant in combating certain infections and supporting immune health, further solidifying its role as a potentially beneficial supplement.
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Shaft Stop Installation
3. Garter Spring
MECHANICAL SEAL
A square rubber gasket is a vital component in various mechanical applications, providing a seal between two surfaces to prevent leakage or contamination. These gaskets are commonly used in machinery, engines, piping systems, and automotive applications.




What Are Oil Seals?
Silicone compounds or “VMQ” offers a wide range of traditional operating temperatures starting at -60°C to 200°C (-140°F to 392°F).
The rubber material used in the oil seal should be selected based on the operational temperature and substance to be sealed.
Table 5 lists the major rubber materials along with their operational temperature ranges.
Note that it is necessary to check the compatibility with fluids.
<N.B.>
Extreme pressure additives are compounds added to the lubricant. They are activated by heat and chemically react against rubber, which deteriorates rubber properties. For this reason, it is necessary to check for compatibility with rubber materials.
Figure 3: Sealing function of main lip radial load
* KOYO is a registered trademark of JTEKT.
Figure 4 shows the features of a JTEKT oil seal.
Rotary Wheel Of Auto Parts
• Super helix seal (seal with one-way two-step screw)
In conclusion, rubber valve cover gaskets and valve cover gasket sets are essential components in automotive engines, contributing to the efficiency, performance, and reliability of the engine. Understanding the significance of these gaskets and their proper maintenance and replacement is crucial for optimizing the performance and longevity of the engine.
The simplest way is to know either the preferred manufacturers part number, the overall sizes of shaft diameter, housing diameter and bore depth, or use our brochure to establish the M Barnwell Services ordering reference. Many of the old traditional names of seal manufacturers have either changed or disappeared in this age of “acquisitions”. If no longer available, we will advise you and offer a suitable alternative seal, from stock whenever possible. If your concern is getting the right seals for the job, you will need to know something about the application as well as the overall sizes. If you have any doubts – contact us, we will help in your seal selection.