Hy-Pro
Hy-Pro HP21SL4-149WV
The Hy-Pro HP21SL4-149WV is a 149µm ss wire mesh hydraulic filter element. It measures 1.735" OD x 1.025" ID x 4.45" long. Filtration efficiency is rated at β200 per ISO 16889. Seals are Fluorocarbon (Viton), rated for -20°F to 250°F. Collapse pressure rating is 3000 PSID. 1 verified cross-reference is available from aftermarket manufacturers.
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What are the specifications of the Hy-Pro HP21SL4-149WV?
Technical specifications for the Hy-Pro HP21SL4-149WV 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 |
| Micron Rating | 149µm |
| Efficiency (ISO 16889) | β200 |
| Operating Temperature | -20°F to 250°F |
| Dimensions | |
| Seal Material | Fluorocarbon (Viton) |
| O.D. (inches) | 1.735" |
| I.D. (inches) | 1.025" |
| O.A.L. (inches) | 4.45" |
| Additional | |
| Filter Type | Cartridge Element |
| Element Length | 4" (102 mm) |
| Beta Ratio | Nominal |
| Max Temperature | 225°F (107°C) |
Last verified: February 2026
What replaces the Hy-Pro HP21SL4-149WV?
1 verified replacement available from Pall
All cross-references are reviewed for dimensional and performance compatibility. Enter your info below to receive the full cross-reference report.
Application & Compatibility
The HY-PRO HP21SL4-149WV is designed for use in hydraulic and lubrication filtration systems. With a 149µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits. Fluorocarbon (Viton) seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
The 3000 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.
Frequently Asked Questions
What micron rating is the Hy-Pro HP21SL4-149WV?
What are the dimensions of the Hy-Pro HP21SL4-149WV?
What seal material does the Hy-Pro HP21SL4-149WV use?
Is there a cross-reference for the Hy-Pro HP21SL4-149WV?
What is the collapse pressure rating of the Hy-Pro HP21SL4-149WV?
What is the operating temperature range for the Hy-Pro HP21SL4-149WV?
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