HiFlux Filter bags are manufactured specifically with regard to filtration of liquids, which means that requirements as to choice of materials, strength and fibre structure and treatment are quite specific.
When choosing the material quality, the air percentage (Void Volume) is a significant factor for the ability of the filter medium to retain large amounts of dirt. The free volume increases with decreasing thread or fibre thickness in the fibre medium and provides an increased number of pores in the material which can collect and retain dirt particles. At the same degree of filtration a filter element with a high air percentage will, all other things being equal, be far better with a longer life and lower differential starting pressure as a result.
With a geometrically correct design and careful manufacturing, it is possible to obtain the greatest possible strength in the filterbags and avoid perforation of the filter material when stitching the bag. Perforation from stitching causes seepage between the dirty side and the clean side of the bag with lower retention as a result.
| Tmax. | Filtration in micron (µ) | ||||||||||||||
| Materials | Type | oC | 1 | 5 | 10 | 25 | 50 | 100 | 150 | 200 | 300 | 400 | 500 | 600 | 800 |
| Polyamide | 1+2 | 120 | x | x | |||||||||||
| Nylon | |||||||||||||||
| Monofilament | 3+4+5 | 140 | x | x | x | x | x | x | x | x | x | ||||
| Polypropylene | All types | 90 | x | x | x | x | x | x | x | x | |||||
| Polyester | 3+4+5 | 150 | x | x | x | x | x | x | x | x | x | ||||
The chemical resistance and compatibility of the materials with the liquid to be filtered are very important in terms of obtaining a good result and a reasonable life for the bag. As processes and filtration tasks are often unique, the supplier of the bags should be included in making the correct choice, so that the combination chosen is the most suitable.
| Type | 1 | 2 | 3 | 4 | 5 |
| Bags | Micro* | TP** | Single length*** | Double length*** | Triple length*** |
| Length | 430 | 650 | 390 | 780 | 1170 |
| Diameter | 80 | 110 | 180 | 180 | 180 |
| Filter area cm2 | 1050 | 2130 | 2050 | 4250 | 6300 |
| Max. diff. pressure, bar1 | 1 | 1 | 1 | 1 | 1 |
1 Max. differential pressure depends on the support strainer.
*The Micro bags with an EPDM gasket.
**TP bags are equipped with a top ring of acid-proof steel.
***Other bags are as standard equipped with a top ring of acid-proof steel.
HiFlux Filter Bags are made in such a way that they fit filter housings from most leading manufacturers. Filter bags of other sizes and materials can be made in co-operation with our supplier.
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Choosing the right filters for your business requires specialized knowledge and our competent employees are ready to hear about your company’s needs, so that we can find the right solution together.
In some cases, the solution will be one of our many standard filters. In other cases, the filtering task requires us to customize the filters to meet the needs of your business. At HiFlux Filtration A/S’s technical department, engineers and technical developers with years of experience work on matching the right filters to the industry’s specific requirements.
If you want to get a quote for a filter you can fill our our inquiry form here.
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