Solid and liquid contamination represent the primary cause of premature wear and malfunction in hydraulic systems. The use of original MP Filtri filter elements ensures the maintenance of optimal contamination classes (according to ISO 4406 and NAS 1638 standards), extending the service life of sensitive components such as pumps, proportional valves and actuators.
The correct selection of the filter media depends on the position within the circuit, the operating pressures and the type of fluid used.
For pressure lines subjected to severe pressure peaks, protecting downstream components requires the use of MP Filtri High Pressure Stainless Steel Filter Elements, which offer exceptional mechanical resistance to collapse and high chemical compatibility with aggressive fluids or high temperatures. If the primary objective of the project is maximum absolute filtration fineness in pressurized lines, the MP Filtri High Pressure Microfiber Filter Elements (Series N) represent the industrial reference standard.
Moving along the system, fluid decontamination can be carried out directly in the pipelines through MP Filtri In-line Microfiber Filter Elements, designed to integrate into the system architecture while minimizing space requirements and ensuring constant flow. For cleaning the return fluid before it re-enters the tank, it is essential to capture particles naturally generated by system wear. For this purpose, MP Filtri Microfiber Return Filter Elements are widely used. Depending on the required flow rates and filter housing geometries, the configuration may be oriented toward dedicated series, such as MP Filtri Microfiber Return Filter Elements (Series H), optimized for specific operating ranges, or alternatively MP Filtri Microfiber Return Filter Elements (Series S).
For low-pressure applications, flushing circuits or machinery operating in less demanding environments, the use of MP Filtri Paper Filter Elements ensures an excellent cost-performance ratio for depth filtration. Where the system requires the same cellulose-based media but with greater mechanical tolerance to pressure variations to avoid the risk of collapse, the MP Filtri Reinforced Paper Filter Element represents the most logical technical upgrade. In suction phases, or when handling fluids with high kinematic viscosity, the surface filtration provided by the MP Filtri Metal Wire Mesh ensures effective primary protection of the motor-pump group, combined with the possibility of regeneration through washing procedures.
Special attention should be given to water contamination management, a critical factor that accelerates oil oxidation, degrades additives and triggers corrosion processes. To address this issue, installing MP Filtri Water Removal solutions, developed with resins capable of absorbing and retaining water (both free and emulsified), is essential to restore the original chemical and physical properties of the hydraulic lubricant.
