- ⚙️ Product
HYDRAULIC
SYSTEM FILTERS
Particle contamination causes over 70% of hydraulic system failures in mobile and industrial equipment. Donaldson hydraulic filters — high-pressure inline elements, return-line filters, suction strainers, offline filtration, and breather filters — maintain the ISO 4406 cleanliness levels required to protect pumps, valves, and cylinders.
- High-Pressure Filters
- Return-Line Filters
- Suction Strainers
- Offline Filtration
- Tank Breathers
Key Features & Applications
🔧ISO 4406 Cleanliness
Donaldson hydraulic elements are ISO 4406 rated — ensuring the fluid contamination level stays within OEM specifications for maximum component life.
💪High-Pressure Protection
Inline filters protect servo valves and variable pumps from contamination at pressures up to 420 bar — the most critical point in any hydraulic circuit.
🔄Return Line & Offline Filtration
Return line filters capture wear particles before they recirculate. Offline kidney-loop filtration continuously polishes reservoir fluid between maintenance intervals.
🌬️Tank Breather Filters
Hydraulic tank breathers prevent atmospheric dust ingestion during cylinder cycles — one of the most overlooked contamination entry points in mobile equipment.
