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For characterisation of cleanable filter media Topas developed the Filter Media Test Rig AFC 133, which is designed for measurements regarding standards ISO 11057 and VDI 3926.
Reliable, reproducible testing of filter media is important for the development and optimization of filter media, as well as for quality assurance during the production process. Filter materials for dust filters for gases are characterized by a reference test method according to the ISO 11057. Under standardized test conditions and test procedures both the performance during operation and the particulate emissions of the filter media are determined in order to obtain information about the operation and separation behavior during practical use.
The most interesting features for the characterization of filter media are:
For these tasks Topas developed the Filter Media Test System AFC 130/131 which facilitates filter tests in accordance with guideline VDI 3926 exemplary embodiment 2 and ASTM D6830-02, but can also be used for other tests. Dust loading tests and dust capacity tests on basis of the general requirements of EN 779, DIN 71460-1 and ISO/TS 11 155-1 can be performed in small scale.
The Filter Media Test Stand AFC 133 allows filter testing in accordance with the international standards ISO 11057 and VDI 3926, exemplary embodiment 1, testing of cleanable filter media. There may be tested also other dust filter media with this test rig on basis of existing international standards such as EN 779 and ISO 11155 / DIN 71460-1.
Due to its compact and lightweight design this test rig can be used in the laboratory. Only single-phase mains power and compressed air are needed to run filter tests. The Windows based Topas control software is running on standard PCs and delivers a trackable documentation.