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- An oil seal, often overlooked, is a critical element in power weeder engines. It prevents oil leaks, maintains lubrication, and safeguards the internal components from contaminants. The price of a power weeder oil seal can vary significantly based on several factors.
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Box: If a BX appears at the end of the part number, that oil seal will be in a box.
Make sure that the new gasket is clean, and confirm which way round it fits. The upper side is usually marked 'top', 'haut' or 'oben'.
By far, nitrile is the most popularly used, but buyers who need seals for applications involving high-speed shaft rotation increased interest. Viton is another alternative for silicone and poly-acrylic because it’s more resistant to harmful chemicals and abrasion and works better in higher temperatures.


<Seal selection example>
Based on the above flowcharts, the oil seal type that meets the requirements shown in Table 3 would be the type code MHSA or HMSA shown in Table 4.
Oil seals are used for essential applications in the oil, gas and petrochemical sectors. They are created to avoid leaks from the sealing lip and rotary shaft by forming a thin layer of oil between them. Oil seals could be developed using well-known sealing materials, involving NBR, EPDM, PolyTetraFluoroEthylene (PTFE), Silicone,and fluoroelastomer.
Oil leak: the most frequent failure of the oil seal
What Are the Key Benefits of Oil Seals?
What are Oil Seals – A guide to Oil and Rotary Shaft Seals

Despite being a great substitute for more expensive high temperature resistant materials, polyacrylate has a problem of poor water compatibility and cold flexibility.