Hydraulic Oil Filter Cartridge Element with Glassfiber Material 1Micron Filtration Accuracy Return Filter.Hydraulic oil filter elements are critical purification components in hydraulic systems. Built with precision filtration media (e.g., glass fiber, metal mesh, or resin fiber), they trap solid particles, metallic wear debris, and colloidal contaminants to maintain fluid cleanliness and protect pumps, valves, and actuators from wear and jamming.Hydraulic Oil Filter Cartridge Element with Glassfiber Material 1Micron Filtration Accuracy Return Filter.
Features
High filtration accuracy, consistently meeting ISO 4406 cleanliness standards.
Large dirt-holding capacity for extended service intervals.
High collapse resistance to withstand pressure fluctuations and shocks.
Excellent compatibility with mineral oils, synthetic fluids, and emulsions, with good thermal stability.
Compact design for easy installation and quick replacement.
Application Fields
Widely used in construction machinery, metallurgical equipment, mining machinery, injection molding machines, die-casting machines, marine hydraulic systems, wind turbine pitch/yaw hydraulic systems, as well as stationary industrial hydraulic power units and test rigs.
Service Life
Under normal conditions, the recommended replacement interval is 500–2,000 operating hours, or when the differential pressure reaches the alarm value of 0.3–0.5 MPa. Actual service life depends on fluid contamination level, operating temperature, system pressure, and maintenance practices. Regular oil analysis is advised for dynamic interval adjustment.
Product Parameter
| Parameter | Description / Typical Value |
|---|---|
| Filtration Rating | 3 μm, 5 μm, 10 μm, 20 μm, 50 μm (optional) |
| Nominal Flow Rate | 25 L/min – 1,000 L/min (model dependent) |
| Operating Pressure | 0.6 MPa – 42 MPa (high-pressure versions up to 42 MPa) |
| Burst Pressure | ≥ 21 MPa (depending on media and design) |
| Initial Pressure Drop | ≤ 0.08 MPa (clean condition, at rated flow) |
| Alarm Differential Pressure | 0.3 MPa – 0.5 MPa (recommended change value) |
| Maximum Operating Temperature | -10 °C – +120 °C (seal material dependent) |
| Compatible Fluids | Mineral oils, synthetic hydraulic fluids, water-glycol emulsions, biodegradable oils |
| Filter Media Type | Glass fiber (fine filtration), metal wire mesh (coarse filtration), resin-impregnated fiber |
| End Cap Material | Zinc-plated carbon steel / Stainless steel / Engineering plastic |
| Seal Material | NBR, FKM (Viton), EPDM |
| Mounting Connection | Threaded (G / SAE / NPT) or flanged (SAE / ISO) |
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