Parker
The Parker PR4473 is a 10µm paper hydraulic filter element. It measures 3.27" OD x 1.98" ID x 8.94" long. Filtration efficiency is rated at β2 ≥ 10 per ISO 16889. Collapse pressure rating is 75 PSID.
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Technical specifications for the Parker PR4473 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 10µm |
| Media Type | PAPER |
| Efficiency (ISO 16889) | β2 ≥ 10 |
| O.D. (inches) | 3.27" |
| I.D. (inches) | 1.98" |
| O.A.L. (inches) | 8.94" |
| Collapse Rating | 75 PSID |
| Flow Direction | INSIDE-OUT |
| Operating Temperature | -13°F to 250°F |
Last verified: February 2026
The PARKER PR4473 is designed for use in hydraulic and lubrication filtration systems. With a 10µm rating, this element is suitable for proportional valve protection and general hydraulic systems.
The 75 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.
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