Hy-Pro
Hy-Pro HP4A3L4-1ME-WS
- Micron
- 1µm nominal (β-rated, absolute 3µm)
- Media
- Dualglass
- O.D.
- 1.735"
- I.D.
- 1.025"
- Length
- 4.46"
- Seal
- EPR (Ethylene Propylene)
- Efficiency
- β4000
- Collapse
- 4500 PSID
Hy-Pro HP4A3L4-1ME-WS is a filter element rated at 3 µm (1 µm nominal), a beta ratio of β ≥ 4000, 4500 psid collapse pressure, and measuring 1.735 in OD, 1.025 in ID, and 4.46 in length. It uses Dualglass media and EPR (Ethylene Propylene) seals (Donaldson Hy-Pro HP101 Data Sheet FE-101-071724, p.4).
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- Part Number
- HP4A3L4-1ME-WS
- Manufacturer
- Hy-Pro
Hy-Pro HP4A3L4-1ME-WS specifications
The Hy-Pro HP4A3L4-1ME-WS is a 1µm nominal (β-rated, absolute 3µm) dualglass filter element. It measures 1.735" OD x 1.025" ID x 4.46" long. Filtration efficiency is rated at β4000 per ISO 16889. Seals are EPR (Ethylene Propylene). Collapse pressure rating is 4500 PSID. Specifications verified. Last reviewed: May 2026
Performance
- Micron Rating
- 1µm nominal (β-rated, absolute 3µm)
- Media Type
- DualglassG8 High-performance glass fiber media
- Efficiency (ISO 16889)
- β4000
- Efficiency
- 99.97%
- Collapse Rating
- 4500 PSID
- Series
- HP4A3L
Dimensions
- O.D. (inches)
- 1.735"
- I.D. (inches)
- 1.025"
- O.A.L. (inches)
- 4.46"
- Seal Material
- EPR (Ethylene Propylene)
Application & Compatibility
The HY-PRO HP4A3L4-1ME-WS is designed for use in hydraulic and lubrication filtration systems. With a 1µm nominal (β-rated, absolute 3µm) rating, this element is suitable for proportional valve protection and general hydraulic systems. EPR (Ethylene Propylene) seals provide compatibility with standard petroleum-based fluids and mineral oils.
The 4500 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
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What is the collapse pressure rating of the Hy-Pro HP4A3L4-1ME-WS?
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