Hy-Pro
The Hy-Pro HP21SL4-74WE is a 74µm ss wire mesh hydraulic filter element. Filtration efficiency is rated at β200 per ISO 16889. Seals are EPR (Ethylene Propylene). Collapse pressure rating is 3000 psid (206.8 bard). 1 verified cross-reference is available from aftermarket manufacturers.
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1 Cross-Reference Available
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Technical specifications for the Hy-Pro HP21SL4-74WE filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Series | High Pressure In-Line Filter Element (High Collapse) |
| Media Type | SS Wire Mesh |
| Max Operating Pressure | 4000 psi (275 bar) |
| Collapse Rating | 3000 psid (206.8 bard) |
| Micron Rating | 74µm |
| Efficiency (ISO 16889) | β200 |
| Dimensions | |
| Seal Material | EPR (Ethylene Propylene) |
| O.D. (inches) | Pending verification |
| I.D. (inches) | Pending verification |
| O.A.L. (inches) | Pending verification |
| Additional | |
| Filter Type | Cartridge Element |
| Element Length | 4" (102 mm) |
| Beta Ratio | Nominal |
| Max Temperature | 225°F (107°C) |
Last verified: February 2026
1 verified replacement available from Pall
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The HY-PRO HP21SL4-74WE is designed for use in hydraulic and lubrication filtration systems. With a 74µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits. EPR (Ethylene Propylene) seals provide compatibility with standard petroleum-based fluids and mineral oils.
The 3000 psid (206.8 bard) 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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