The Eaton HYD US 22 identifies a specialized segment of Eaton’s hydraulic filtration solutions, often associated with the Internormen product line which Eaton acquired. This series is engineered to handle rigorous industrial applications where hydraulic fluid cleanliness is paramount to equipment longevity.
In the complex world of industrial hydraulics, contamination is the leading cause of system failure. The Eaton HYD US 22 filter element is designed to provide superior protection for hydraulic systems, ensuring that oils and lubricants remain free of particulate matter that can damage sensitive components like pumps, valves, and actuators.
Who is the Eaton HYD US 22 For?
This product is specifically designed for facility managers and maintenance engineers in sectors such as:
- Manufacturing & Injection Molding: Protecting hydraulic presses and high-speed machinery.
- Power Generation: Maintaining turbine control fluids.
- Mobile Hydraulics: Ensuring reliability in construction and mining equipment.
- Pulp & Paper: Managing lubrication systems in harsh environments.
If your facility relies on high-pressure hydraulic circuits, the HYD US 22 offers the filtration efficiency required to meet strict ISO cleanliness codes.

Key Features and Technologies
Eaton’s hydraulic filtration technology incorporates several advanced features to maximize dirt-holding capacity and minimize pressure drop.
| Feature | Benefit |
|---|---|
| Multi-Layer Glass Fiber Media | Provides deep filtration capable of capturing fine particles down to low micron ratings, ensuring high ISO fluid cleanliness. |
| High Collapse Pressure Rating | Designed to withstand pressure spikes and cold start conditions without structural failure of the element. |
| Optimized Pleat Geometry | Maximizes the surface area for filtration, extending the service life of the element and reducing change-out frequency. |
| Fluid Compatibility | Compatible with a wide range of hydraulic oils, lubricants, and synthetic fluids used in heavy industry. |
Technical Specifications: HYD US 22 Series
While specific attributes can vary based on the exact micron rating selected within the US 22 series, the general specifications for this class of hydraulic return-line or pressure-line elements are as follows:
| Filter Material | Microglass (VG), Paper (P), or Stainless Steel Wire Mesh (G) |
| Micron Ratings Available | 3 µm, 6 µm, 10 µm, 25 µm (Absolute) |
| Operating Pressure | Up to 3,000 PSI (depending on housing configuration) |
| Sealing Material | Buna-N (Nitrile) or Viton (FPM) |
| Temperature Range | -22°F to +212°F (-30°C to +100°C) |
| Flow Direction | Outside to Inside |
Why Choose Eaton Filtration?
Eaton is a global leader in power management utilizing filtration systems that help customers manage hydraulic and mechanical power more reliably. The HYD US 22 elements represent high-quality German engineering (stemming from the Internormen legacy) combined with Eaton’s global distribution network.
Replacing your hydraulic filters with genuine Eaton elements ensures:
- System Stability: Prevents servo valve stiction and pump wear.
- Cost Efficiency: Reduces downtime caused by hydraulic failure.
- Performance: Maintains steady pressure differentials even under load.
Ordering and Support
Purecowater is equipped to supply the Eaton HYD US 22 series and assist with cross-referencing old part numbers to the current Eaton specifications. Whether you are dealing with solid contaminants in a lubrication loop or need to upgrade the cleanliness levels of your hydraulic power unit, we can provide the correct solution.
Need a quote or technical assistance with Eaton filtration products?
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