17
en
0698-401 MD1xL / MD2xL - 08/2020
Annex
Purity classes of the compressed air according to ISO 8573-1:2010
Class Particles per m²
Moisture content and
water
Complete oil [10]
0.1..–0,5μm
[1.6, 9]
0.5..–1μm
[1.6, 9]
1..–5μm
[1.6, 9]
0 Accordingtodenition
and better than class 1
Accordingtodenition
and better than class 1
Accordingtodeni-
tion and better than
class 1
1 ≤ 20.000 ≤ 400 ≤ 10 ≤ -70°C
[2,5]
≤ 0,01 mg/m³ [1,3]
2 ≤ 400.000 ≤ 6.000 ≤ 100 ≤ -40°C ≤ 0,1 mg/m³
3 --- ≤ 90.000 ≤ 1.000 ≤ -20°C ≤ 1 mg/m³ [1,4]
4 --- --- ≤ 10.000 ≤ +3°C ≤ 5 mg/m³
5 --- --- ≤ 100.000 ≤ +7°C
6 ≤ 5 mg/m³ [1,7] ≤ +10°C
7 5 – 10 mg/
m³
[1,7] ≤ 0,5 g/m³
[1,8]
8 0.5.. – 5 g/
m³
9 5.. – 10 g/m³
X > 10 mg/m³ [1,7] > 10 g/m³ > 5 mg/m³ [1,4]
[1] –referenceconditions1bar(a)and20°Cat0%relativehumidity
[2] – unless otherwise agreed or stated, reference conditions 7 bar and 20°C
[3] – measured according to ISO 8573-2 and ISO 8573-5
[4] – measured according to ISO 8573-2 ; measurement according to ISO 8573-5 optional
[5] – measured according to ISO 8573-3 and, if required, ISO 8573-9
[6] – measured according to ISO 8573-4
[7] – measured according to ISO 8573-8
[8] – measured according to ISO 8573-9
[9] – if particles greater than 5 µm have been measured, class 0-5 cannot be applied
[10] – liquid, aerosol and vapour oil content