ULPATEK · KNOWLEDGE & GUIDANCE

Filter Technology

Clear answers to the questions behind a good filter choice. Selection, standards, energy and the details that matter in use.

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4 articles

Maintenance

When to Change a HEPA Filter: Pressure Drop, Time or Test Result?

Separate resistance, airflow, integrity and calendar triggers when setting a replacement rule, and understand why requalification does not mean automatic replacement.

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Maintenance

The HEPA Filter Isn’t Leaking — Your Housing Is

Separate filter-media defects from gasket and housing leaks by checking the leak location, sealing interface and test conditions together.

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Maintenance

Recommendations for Coarse Filtration Filters

Practical checks for coarse filters, from installation to replacement.

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Maintenance

Recommendations for Fine Dust Filtration Filters

Installation, inspection and maintenance considerations for fine-dust filters.

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