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A less common but equally intriguing approach is macro photography of wheel loaders. This technique captures the fine details of the machinery—like the texture of the bucket, the intricate hydraulics, and the wear and tear of the metal. These close-up shots invite viewers to appreciate the craftsmanship that goes into creating such powerful machines. The colors, textures, and materials used in the construction of wheel loaders can be highlighted in ways that evoke emotion and curiosity.


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  • The metal case provides rigidity to the seal, helping it settle on the housing securely. It also ensures easy seal handling and mounting.
  • Figure 2: Necessity of spring

  • In these instances, Viton can be the perfect sealing material for methanol/ethanol-blended gasoline. 

  • Oil seals made of HNBR are characterised by excellent properties that include high resistance to mineral oils with additives, low steam and gas permeability, good cold flexibility down to -30 °C depending on type, good ozone resistance and friction resistance. HNBR seals withstand heat up to 150°C.

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  • Although it does have a higher tensile strength and longer wear times than other materials, it is recommended to be used in dry-running applications sparingly or intermittently. 

  • The temperature range of nitrile is −35° to 120 °C (−30° to 250 °F). Due to this wide range, NBR seals can be used for gas oil, silicone oil, animal/vegetable oils and fat, hydraulic liquid as well as hot and cold water. In addition, NBR is oil resistant and has an excellent abrasion resistance, so for any application that demands shock absorbers, NBR is a perfect choice to go with. 

  • To act as a barrier and prevent dirt, contamination and other external entities from entering the system containing the lubricating oil.

  • Identical application as type ST, but the outside rubber surface has a ribbed design to absorb thermal expansion of the housing.