LATEST POSTS


  • Electrostatic Discharge (ESD) and 16890 Efficiency Test Without ESD

    Introduction Electrostatic discharge (ESD) has been a pervasive challenge in various industries, notably in air filtration. This article will delve into understanding the causes and solutions of ESD in air filters and discuss the ISO 16890 standard for testing filter efficiency, particularly under conditions without ESD. Electrostatic Discharge (ESD): The Challenge in Air Filtration Air…

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  • HEPA FILTER FACTORY TESTING STANDARDS- EN 1822 AND ISO 29463

    Comparison between EN 1822 and ISO 29463 Before reading this article you can find more information about the EN1822 standard here.Before reading this article you can find more information about the ISO 29463 standard here. EN 1822 and ISO 29463 are two international standards related to air filtration, specifically focusing on high-efficiency particulate air (HEPA)…

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  • EN1822 Standard – High Efficiency air filters (HEPA and ULPA)

    The European Standard EN1822 is a critical piece of regulation in the field of air filtration, governing the testing and classification of high-efficiency particulate air (HEPA) and ultra-low penetration air (ULPA) filters. These filters play a vital role in various applications, from cleanroom environments to medical facilities, and are essential for ensuring the air quality…

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  • Understanding ISO 29463 Standard – High efficiency filters and filter media for removing particles from air

    ISO 29463 is a series of international standards developed by the International Organization for Standardization (ISO) to address the testing, classification, and marking of high efficiency air filters. Published as a common language for testing and classifying high efficiency filters worldwide, including Europe and America, the ISO 29463 standard aims to harmonize and streamline filtration…

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  • Filter Bypass in AHUs and Filter Cabinets and How to Prevent It

    Air Handling Units (AHUs) and filter cabinets are essential components of modern Heating, Ventilation, and Air Conditioning (HVAC) systems. They ensure that the air circulating within buildings is clean, fresh, and comfortable for occupants. However, one common issue that can compromise the efficiency of these systems is filter bypass. In this article, we will delve…

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  • Filter Face Velocity and Its Impact on Performance

    Introduction Filter face velocity (FFV) is a key parameter in evaluating the performance of air filtration systems, such as those in HVAC systems, cleanrooms, and industrial applications. A proper understanding of FFV and its impact on performance is essential to designing and maintaining efficient filtration systems. In this article, we will delve into the concept…

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Hello and welcome! I am sales manager at Ulpatek Air Filters with a passion for filtration and travel. With over 10 years of experience in the industry and more than 50 countries explored, I have a wealth of knowledge to share. I created this blog – to share my experiences and help others along the way. Whether you’re interested in filtration, travel, or just looking for a new perspective, I hope you find something of value here.