Many – too numerous to list, covering a vast range of designs, sizes, and materials suitable for a never-ending range of applications. Some designs conform to International Standards such as BS1399 and DIN 3760 for metric sizes and seal types, but the majority have been manufactured to suit particular applications – hence the enormous selection available. This blog is intended to assist in this selection and will consider seal type, materials, and sizes.
Coat the sump flange with gasket-sealant and fit the flat parts of the gasket to it, ensuring that they are exactly positioned and joined.
Over time, the oil seal can become worn or damaged due to exposure to extreme temperatures, UV rays, and road debrisFind all material datasheets here! You can also download them!
Figure 3: Sealing function of main lip radial load
* KOYO is a registered trademark of JTEKT.
This is one of the frequent reasons for oil seal failure, and this is majorly because of the volatility of any of the elastomer’s constituents. These causative constituents may be part of the elastomer formulation, or gases that got entrapped in the elastomer during the molding process. The deceiving fact about this failure is that sometimes the oil seal won’t show any visual sign of out-gassing, however, sometimes when the out-gassing is extreme, they shrink.
JIS B 2402-1 2) MHS Type 1 HMS Type 2 HMSH Type 3 MH - HM - MHSA Type 4 HMSA Type 5 HMSAH Type 6 MHA - HMA -
3. Sealant Application Apply a sealant to the gasket surface to enhance the sealing performance. Use a silicone-compatible sealant that is recommended by the gasket manufacturer. Proper installation of the Oil Seal 45 62 8 is paramount to its effectiveness. Misalignment, over-tightening, or damage during fitting can compromise the seal's integrity, leading to leaks or premature failure. Regular maintenance and timely replacement of worn seals are essential to maintaining optimal machine performance and extending the service life of the equipment.