Internormen
The Internormen 311829 is a 25µm 304 ss wire hydraulic filter element. It measures 1.38" OD x 0.48" ID x 3.66" long. Seals are VITON, rated for -13°F to 250°F. Collapse pressure rating is 3045 PSID. 2 verified cross-references are available from aftermarket manufacturers.
Need the Exact OEM Part?
We can source and ship Internormen filters directly.
Want a Verified Alternative?
Get an equivalent filter with the same specs at a better price.
Technical specifications for the Internormen 311829 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 25µm |
| Media Type | 304 SS WIRE |
| Collapse Rating | 3045 PSID |
| O.D. (inches) | 1.38" |
| I.D. (inches) | 0.48" |
| O.A.L. (inches) | 3.66" |
| Seal Material | VITON |
| Flow Direction | OUTSIDE-IN |
| Operating Temperature | -13°F to 250°F |
Last verified: February 2026
2 verified cross-references available from Hy-Pro. All cross-references are reviewed for dimensional and performance compatibility.
| Manufacturer | Part Number | Confidence |
|---|---|---|
| Hy-Pro | Request part number | Verified |
| Hy-Pro | Request part number | Verified |
Get specific part numbers for all 2 aftermarket cross-references
Free cross-reference report. Usually within 24 hours.
Last verified: February 2026
The INTERNORMEN 311829 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. VITON seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
The 3045 PSID collapse rating indicates the maximum differential pressure this element can withstand during cold starts or bypass conditions without structural failure. Ensure your system's maximum differential pressure does not exceed this rating.
250,000+ verified filter specifications
Quotes and answers within 24 hours
Real filtration specialists, not call centers