Type of Filter
All our filters meet the standard EN 1822.
Pre-filter
A pre-filter is placed to ensure the coarse dirt is collected first and to extend the life span of the dust, HEPA and carbon filters.
Brofil Dust Filters
Dust filters function as a sieve. The dust particles are collected by the P1 (G4) and/or P3 (H13) HEPA filters. It depends on the amount and density of the dust particles which dust filter you need.
Dust filters should be replaced when showing heavy contamination or up to 6 months after commissioning. Used filters should be treated as hazardous waste and must be disposed of in accordance with the rules of the Environmental Protection Act.
Brofil Carbon Filters
Carbon filters type A work to attract and bind molecular contamination. These filters are suitable for all aromatic hydrocarbons.
B,E, K and HG-filters (or a combination of these) are filters that are used for contaminants other than hydrocarbons, such as mercury or acids.
Carbon filters can contain different forms of carbon, it is therefore necessary to know for what application the filters will be used. Below you can see all the carbon filter types that we provide with their application so that you can evaluate the type required.
| Colour Mark | Type | Application | Standard |
|---|---|---|---|
A | Organic gases and vapours - bboiling point > 65° | EN 141 | |
B | Inorganic gases and vapours (no CO), e.g. chlorine, H2S, HCN, etc. | EN 141 | |
E | Sulphur dioxide and acid gases and vapours | EN 141 | |
K | Ammonia and organic derivatives of ammonia | EN 141 | |
HG | Mercury vapors and particles | EN 141 |
