Hydraulic Filler Breather Strainer Basket in 304 Stainless Steel (AISI 304 (1.4301)) is used for catching dirt and debris when hydraulic, gearbox and lube tanks are topped up, with a mesh basket that hangs under the filler-breather cap. The alloy gives good general corrosion resistance in atmosphere and fresh water and is essentially non-magnetic (annealed), with a practical service limit of approx. +450 °C continuous.
Alloy Properties
| Grade designation | AISI 304 (1.4301) |
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| Magnetic response | Essentially non-magnetic (annealed) |
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| Service temperature | approx. +450 °C continuous |
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| Corrosion characteristic | Good general corrosion resistance in atmosphere and fresh water |
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Specifications of Hydraulic Filler Breather Strainer Basket Available in 304 Stainless Steel
| Size | Basket diameter (mm) | Depth (mm) | Mesh | Micron rating (u00b5m) |
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| u00d848 | 48 | 80 | 30-Mesh | 547 |
| u00d860 | 60 | 110 | 40-Mesh | 385 |
| u00d880 | 80 | 150 | 60-Mesh | 233 |
Where 304 Stainless Steel Hydraulic Filler Breather Strainer Basket Is Used
- Hydraulic power units: combined filler-breather assemblies on reservoirs.
- Industrial gearboxes: oil fill ports on drives and reducers.
- Mobile machinery: tank fillers on excavators and tractors.
- Compressors & engines: oil fill necks.
Ordering Hydraulic Filler Breather Strainer Basket in 304 Stainless Steel
- Basket size: Basket diameter and depth must suit the filler neck and tank depth.
- Mesh: 30–60 mesh stops debris without slowing filling.
- Material: Stainless or zinc-plated steel, compatible with the oil.
Mistakes to Avoid with Hydraulic Filler Breather Strainer Basket
- Removing the basket, which lets rags and debris into the tank.
- Ignoring the breather element, so dusty air enters every time the level drops.
