Internormen
The Internormen 311831-40G is a 40µm glass fiber hydraulic filter element. It measures 17.866" OD x 11.19" ID x 12.28" long. 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 Internormen 311831-40G filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 40µm |
| Media Type | Glass Fiber |
| O.D. (inches) | 17.866" |
| O.A.L. (inches) | 12.28" |
| I.D. (inches) | 11.19" |
| Seal Material | Nitrile (Buna-N) |
| Operating Temperature | -13°F to 250°F |
Last verified: February 2026
1 verified cross-reference available from Hy-Pro. All cross-references are reviewed for dimensional and performance compatibility.
| Manufacturer | Part Number | Confidence |
|---|---|---|
| Hy-Pro | Request part number | Verified |
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Last verified: February 2026
The INTERNORMEN 311831-40G is designed for use in hydraulic and lubrication filtration systems. With a 40µm 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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