Why develop a new filter standard?
- Filter efficiency and classification are now more in accordance with reality
- Same standard across the globe ⇔ no confusion
- The standard entered into force on 1 July 2018
EXHAUSTO has chosen to retain the old article numbers, but uses the new filter designations in article texts. etc.
Contamination types and filter separation method
Particle’s penetration into the body
How a filter class is determined in accordance with the new standard
New filter standard ISO 16890 – compared to EN 13779
- Test is based on particle size 0,3–10 μm
- Classification is based on the result for the particle sizes PM1, PM2,5 och PM10
- Static electricity in the filter is discharged during the test
- Dust load with ISO "fine dust" to find pressure drop
| ISO Coarse |
- |
- |
≤50% |
Coarse filter |
| ISO ePM10
|
|
|
≥50% |
ePM10 [%]
|
| ISO ePM2.5
|
|
≥50% |
|
ePM2.5 [%] |
| ISO ePM1 |
≥50% |
|
|
ePM1[%] |
The table below is an extract taken from the classification table. Seen here:
- which requirements in relation to the start efficiency and discharge
- which type of filter the previous filter shall be replaced with
ePM1 [95%]
ePM1 [80%] ∼ F9
ePM1 [65%]
ePM1 [50%] ∼ F7 |
ePM2.5 [95%]
ePM2.5[80%]
ePM2.5 [65%] ∼ F7
ePM2.5 [50%] |
ePM10 [95%]
ePM10 [80%]
ePM10 [65%]
ePM10 [50%] ∼ M5 |
Weight separation reported in steps of 5 % |
Requirement:
> 50 % start efficiency
> 50 % discharge efficiency |
Requirement:
> 50 % start efficiency
> 50 % discharge efficiency |
Requirement:
> 50 % start efficiency
No discharge requirement |
No discharge requirement
|
Test result
What designations have the panel filters used for VEX100 - 200 - 300 received?
| M5 |
Coarse 85% |
| F7 |
ePM1 55% |
| F9 |
ePM1 80% |
Prefiltration
Future filter choice in consideration of the actual outdoor climate and desired indoor climate.
According to ISO 16798, the choice of filter class must be based on the outdoor air quality (ODA) and the desired quality of the supply air (SUP):
EXHAUSTO therefore provides prefiltration on VEX200, VEX300T and VEX4000.
ODA 1 (Pure air)
PM2,5 ≤ 10 µg/m³ and
PM10 ≤ 20 µg/m³ |
60% |
50% |
60% |
60% |
50% |
ODA 2 (Dust & gas)
PM2,5 ≤ 15 µg/m³ and
PM10 ≤ 30 µg/m³ |
80% |
70% |
70% |
80% |
60% |
ODA 3 (Poor)
PM2,5 > 15 µg/m³ and
PM10 > 30 µg/m³ |
90% |
80% |
80% |
90% |
80% |
Filter-guide from Eurovent
The European Industry Association Eurovent has prepared a guide about filters, which can be recommeded.
Find the guide here!