Duplex Filter Pi 211 NG 800 and 1100
3
3. Separation grade characteristics
y = beta-value
x = partcle size [µm]
-
determined by multipass tests (ISO 16889)
calibration according to ISO 11171 (NIST)
.
4. Filter performance data
tested according to ISO 16889 (multipass test)
-
PS elements with
max.
∆
p 20 bar
-
PS
3
β
5(C)
≥
200
PS
6
β
7(C)
≥
200
PS
10
β
10(C)
≥
200
PS
25
β
20(C)
≥
200
values guaranteed up to
10 bar differential pressure
5. Quality assurance
Filtration Group filters and filter elements are produced according to the following international standards:
Norm
Designation
DIN ISO 2941
Hydraulic fluid power filter elements; verification of collapse/burst resistance
DIN ISO 2942
Hydraulic fluid power filter elements, verification of fabrication integrity
DIN ISO 2943
Hydraulic fluid power filter elements, verification of material compatibility with fluids
DIN ISO 3723
Hydraulic fluid power filter elements, methods for end load test
DIN ISO 3724
Hydraulic fluid power filter elements, verification of flow fatigue charactersitics
ISO 3968
Hydraulic fluid power filters; evaluation of pressure drop versus flow characteristics
ISO 10771.1
Fatigue pressure testing of metal containing envelopes in hydraulic fluid applications
ISO 16889
Hydraulic fluid power filters; multipass method for evaluation filtration performance of a filter element
6. Symbols
