Hydraulic oil purification and filtration tester

Meet the standard:

ISO 16889

ISO 4406

ASTM D7619

ISO 11500

Product Introduction:

Hydraulic oil purification and filtration testers are essential tools for characterizing the performance of fluid cleaning technologies. A common type of tester, particularly for evaluating filter elements, utilizes the multi-pass test principle (standardized by ISO 16889).In this method, contaminated hydraulic oil is continuously circulated from a reservoir, passed through the filter element under test, and returned to the reservoir.As the test progresses, solid particles are continuously injected into the reservoir, and fluid samples are taken from both upstream and downstream of the filter. An automatic particle counter analyzes these samples to determine the number and size distribution of particles. By comparing the upstream and downstream particle counts at different sizes, the filter's Beta ratio (a measure of efficiency) and dirt holding capacity (the amount of contaminant a filter can retain before reaching a specified differential pressure) are determined.

For evaluating purification systems (such as those for removing water or dissolved gases), testers may involve circulating oil through the purification unit and measuring the contaminant levels (water content via Karl Fischer titration or sensors, dissolved gases via gas chromatography or sensors) before and after the process. These testers provide crucial data for selecting appropriate filtration and purification solutions, monitoring their performance, and ensuring that hydraulic fluids meet required cleanliness standards (e.g., as specified by ISO 4406 cleanliness codes).

The instrument is used for:

Evaluating the particle removal efficiency (Beta ratio) and dirt holding capacity of new and in-service hydraulic filter elements.

Comparing the performance of different filter technologies and manufacturers.

Assessing the effectiveness of oil purification systems (vacuum dehydrators, coalescers, absorbent filters) in removing water and dissolved gases.

Monitoring the cleanliness level of hydraulic fluid before and after filtration or purification.

Research and development of advanced filtration and purification media and systems.

Quality control for manufacturers and users of hydraulic filters and purification equipment.

Product Advantages:

Provides objective, quantitative data on filter performance (Beta ratio, dirt holding capacity).

Evaluates the effectiveness of purification methods in removing water and gases.

Essential for maintaining desired hydraulic fluid cleanliness levels.

Standard compliant test methods, particularly the widely recognized ISO 16889 for filter performance.

Helps predict the lifespan and effectiveness of filters and purification systems in real-world applications.

Crucial for ensuring the reliability and longevity of hydraulic components and systems by controlling contamination.

Facilitates informed decision-making in selecting appropriate fluid cleaning technologies.

Supports quality control and research and development efforts in fluid power and filtration industries.

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