Hy-Pro
Hy-Pro HP91L39-1ME-WS
- Micron
- 1µm nominal (β-rated, absolute 3µm)
- Media
- Dualglass
- O.D.
- 3.735"
- I.D.
- 2.19"
- Length
- 39"
- Seal
- EPR (Ethylene Propylene)
- Efficiency
- β4000
- Collapse
- 3000 PSID
Hy-Pro HP91L39-1ME-WS is a filter element rated at 3 µm (1 µm nominal), a beta ratio of β ≥ 4000, 3000 psid collapse pressure, and measuring 3.735 in OD, 2.19 in ID, and 39 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
- HP91L39-1ME-WS
- Manufacturer
- Hy-Pro
Hy-Pro HP91L39-1ME-WS specifications
The Hy-Pro HP91L39-1ME-WS is a 1µm nominal (β-rated, absolute 3µm) dualglass filter element. It measures 3.735" OD x 2.19" ID x 39" long. Filtration efficiency is rated at β4000 per ISO 16889. Seals are EPR (Ethylene Propylene). Collapse pressure rating is 3000 PSID. Specifications verified. Last reviewed: May 2026
Performance
- Collapse Rating
- 3000 PSID
- Micron Rating
- 1µm nominal (β-rated, absolute 3µm)
- Media Type
- DualglassG8 High-performance glass fiber media
- Efficiency (ISO 16889)
- β4000
- Efficiency
- 99.97%
- Series
- HP91L
Dimensions
- O.D. (inches)
- 3.735"
- O.A.L. (inches)
- 39"
- I.D. (inches)
- 2.19"
- Seal Material
- EPR (Ethylene Propylene)
Application & Compatibility
The HY-PRO HP91L39-1ME-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 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
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