Stauff
The Stauff NL040B25B is a 25µm microglass (borosilicate) hydraulic filter element. It measures 1.88" OD x 0.874" ID x 5" long. Filtration efficiency is rated at β200 per ISO 16889. Seals are Nitrile (Buna-N), rated for -13°F to 250°F. 1 verified cross-reference is available from aftermarket manufacturers.
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Technical specifications for the Stauff NL040B25B filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Micron Rating | 25µm |
| Media Type | Microglass (Borosilicate) |
| Efficiency (ISO 16889) | β200 |
| Flow Direction | Return Line (Low Pressure) (Outside-In) |
| Operating Temperature | -13°F to 250°F |
| Dimensions | |
| O.D. (inches) | 1.88" |
| I.D. (inches) | 0.874" |
| O.A.L. (inches) | 5" |
| Seal Material | Nitrile (Buna-N) |
Last verified: February 2026
1 verified replacement available from Swift Filters
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The STAUFF NL040B25B is designed for use in hydraulic and lubrication filtration systems. With a 25µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits. Nitrile (Buna-N) seals provide compatibility with standard petroleum-based fluids and mineral oils.
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