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e.FFECT: filter efficiency rating is now digital

e.FFECT enables the analysis of filter systems performance

e.FFECT enables the analysis of filter systems performance

New calculation software from Freudenberg Filtration Technologies enables custom-fit configurations of supply air filtration solutions

Weinheim, December 5, 2017. Electronic Freudenberg Filter Efficiency Calculation Tool, or e.FFECT for short. That is the name of the new software tool with which Freudenberg Filtration Technologies is able to configure supply air filtration systems for customers even more precisely. The customer benefit is clear: the more specifically a filter system is adjusted to the respective plant requirements and environmental conditions, the more effectively, safely, efficiently and economically it can be operated.

Anthropogenic fine dusts from traffic and industry in urban conurbations, pollen and natural dusts in rural areas, storms full of sand dust in arid desert regions or airborne bio-aerosols – the location of a paint or beverage factory, a dairy, a power station or a hospital has a considerable influence on the design of the supply air filter systems. In addition, process requirements and plant specifics such as operating times and volume flows determine the requirement profile for the filtration function.

With e.FFECT, Freudenberg Filtration Technologies now has a unique software system that takes all essential environmental and plant specifications into consideration and uses this information to calculate the most efficient filter solution for each individual case. “Naturally, these calculations are based on state-of-the-art technology and, in particular, on the specifications of the new ISO 16890 filter test standard”, explained Product Segment Engineer Patrick Weber.

The Freudenberg experts determine the respective process requirements in discussion with the customer. The data concerning local fine dust concentrations in the ambient air is taken from the current measurements of national environmental authorities – i.e. from official bodies. These figures constitute the average annual concentrations of PM2.5 and PM10 dusts, which can critically affect a variety of processes. If required, Freudenberg Filtration Technologies experts can also determine particle concentrations in the immediate vicinity of the site by means of long-term measurements.

In most cases, multi-stage filter systems are used to achieve effective filtration. These consist of matched, sequential combinations of pocket and cassette filters or filter cartridges. e.FFECT calculates the individual degrees of separation of each filter stage and their stored dust quantities. This means that different filter systems can be thoroughly compared with each other to precisely determine the best possible filter selection or combination – whether that concerns the design of a new ventilation system or the optimization of an existing installation.

About Freudenberg Filtration Technologies
Freudenberg Filtration Technologies is one of the world’s leading manufacturers in high-performance and energy-efficient liquid and air filtration technology solutions. By improving the efficiency of industrial processes, conserving resources, and protecting people and the environment the solutions contribute to enhancing the quality of life. With its Viledon and micronAir global brands, Freudenberg Filtration Technologies offers customers innovative filter elements and systems for the energy, health, and transport (automotive, rail, marine, aviation) sectors, general ventilation and cleanroom technology, and for highly-specialized applications. In 2016, Freudenberg Filtration Technologies employed about 2,300 associates and generated sales of around € 423 million.

About the Freudenberg Group
Freudenberg is a global technology group that strengthens its customers and society long-term through forward-looking innovations. Together with its partners, customers and the world of science, the Freudenberg Group develops leading-edge technologies, and excellent products, solutions and services for more than 30 market segments and for thousands of applications: seals, vibration control components, nonwovens, filters, specialty chemicals, medical and mechatronic products, IT services and the most modern cleaning products.
Innovation strength, strong customer orientation, diversity and team spirit are the corner-stones of our Group. Commitment to excellence, reliability and pro-active, responsible action belong to the company’s core values lived for more than 165 years.
In 2016, the Freudenberg Group employed over 48,000 people in some 60 countries world-wide and generated sales of about 8.6 billion Euros. For more information, please visit

Freudenberg Filtration
Technologies SE & Co. KG
Jutta Becker / Marketing & Communication Specialist
Höhnerweg 2-4
69465 Weinheim / Germany
Tel. +49 (0)6201 80-6281

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