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5. Various Sizes and Configurations Fiberglass water tanks come in various shapes and sizes, catering to different storage needs. Whether for residential use, agricultural purposes, or industrial applications, there's an option suitable for every requirement. Custom designs are also available, allowing you to tailor the tank to fit specific spaces or functionalities.
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- In addition to their high performance and durability, FKM TC oil seals are also easy to install and maintain. They come in a range of standard sizes and designs to fit different shaft types and applications. Installation is typically straightforward, requiring simple tools and techniques. Once installed, FKM TC oil seals require minimal maintenance, thanks to their self-lubricating properties and resistance to wear and tear.
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Fluorine rubber (FKM, Viton™)
2) Rubber material
• Quick response (centrifugal hydraulic pressure canceling mechanism) throughout the rotation range
An oil seal is a device used to prevent dirt, dust, water, or any other foreign matter from contaminating shafts and bearings in the rotary shaft equipment. Also known as a shaft seal or dirt seal, it also blocks the leakage of lubricants such as grease and oil along a rotating shaft.
When they are subjected to hot & pressured oil, or hot & pressured gas, they will compress. These seals reduce in size and become more compact. Afterward, they store the mechanical energy generated by the heat and pressure, which is why they can maintain a leak-proof mating surface.

Meanwhile, rubber-cased oil seals are used under conditions where a metal-cased seal can fail (for example, because of thermal expansion). Unlike the metal-cased type, these seals do not rust. Moreover, they can seal a lightly damaged housing better than metal-covered seals since, in high temperatures, rubber can provide a more stable sealability.
Sealing Element
Like any element of the engine, oil seals are subject to wear. Over time they can lead to possible leaks of lubricating liquid.
Notes
1) ISO: International Organization for Standardization
2) 2) JIS: Japanese Industrial Standard
Rotary Wheel Of Auto Parts
Nitrile (NBR) Oil Seals
What are Oil Seals – A guide to Oil and Rotary Shaft Seals
Type ‘C’ oil seal has an additional cup inserted into the outer cup of ‘B’ type. The supplementary metal inner ring provides a superior stiffness. This type is recommended for use in heavy polluted environments. As the static sealing between housing and metallic shell is limited, low viscosity media can “creep”.