For characterisation of cleanable filter media Topas developed the AFC 133 Filter Media Test Rig, which is designed for measurements according to ISO 11057.
Standards
ISO 11057
Reliable, reproducible testing of filter media is important for the development and optimisation of filter media, as well as for quality assurance during the production process. Filter materials for dust filters for gases are characterised by a reference test method according to the ISO 11057. Under standardised 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 relevant parameters for the characterisation of filter media are:
- differential pressure behavior during the dust loading
- the gravimetric separation efficiency
- the fractional filtration separation efficiency
- the loading capacity of the filter
- the cyclic behavior at aging of the filterWith the AFC 133 Filter Media Test Stand customised test procedures can be done as well.
- the gravimetric separation efficiency
- the fractional filtration separation efficiency
- the loading capacity of the filter
- the cyclic behavior at aging of the filterWith the AFC 133 Filter Media Test Stand customised test procedures can be done as well.
Benefits
- long-term stable dosage and dispersion of test dust Pural NF
- flexible design facilitates modification and future extension
- wide variety of test aerosols possible (atmospheric, dust or droplets)
- combination of Topas instruments ensures best performance at optimum price
- test rig is fully computer controlled by user-friendly PAFWin software
Applications
- dust loading tests ISO 11057
- small scale filter tests along the general lines of other standards possible
- development and optimization of filter media
- quality assurance
Accessories
- Atomizer Aerosol Generator ATM 220
- Laser Aerosol Spectrometer LAP 323
| Parameter title | Unit | Value |
|---|---|---|
| test flow rate | m³/h | 0,5 - 5 |
| measuring range, differential pressure | Pa | |
| power supply | - | 3 × 400 V AC, 16 A |
| operating medium, aerosol substance | - | Pural-NF, Pural-SB, DEHS |
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