Page 261 - Parker - Hydraulic and Lube Filtration Products

Appendix

Interpreting Data

Element Effi ciency Element Capacity
For each confi guration Parker reports on a log micron Typically element capacities have been plotted on a
chart the actual test results for each Microglass III media differential vs grams chart to allow for best comparisons
grade available. The information that can be obtained between different indicator/bypass settings and also
from reporting in this manner far exceeds previous other manufacturers. Although the construction of a given
methods. To read the charts simply follow a few quick element remains constant, the actual capacity obtained in
steps as shown below. a application depends on several variables
Efficiency •Viscosity
•Flow rate
Beta Rating Efficiency %
•Contaminant Type
10000
•Changeout pressure
2 2Q 5Q5Q Since it is not possible to test every possible combination,
2QQ
Parker tests per ISO4572 and ISO16889 which specifi es
fl uid type, contaminant type and fl ow rate. Therefore the
99.9
1000
10Q0Q
1 10Q only variable that can be accounted for by the specifi er
would be changeout pressure. To accomplish this simply
determine what indicator setting will be used to signal
200 99.5
service is required. If no indicator will be used then use
100 99.0
2 20Q the bypass value for the specifi ed fi lter.
20Q0Q
Capacity
20 95.0
PSID BAR
50
2
50.0
3.0
40
2.5
0 4 8 12 16 20
Micron Size (c)
30
2.0
To determine effi ciency/beta rating at a 05Q
Particular micron size: 20 1.5
1. Choose micron size from horizontal axis. 10Q 1.0
2. Follow line upward until it intersects the media grade 02Q 20Q
of interest. 10
0.5
3. For the beta rating move left perpendicular until
you intersect the vertical beta rating axis and record 0 0.0
number. 0 30 60 90 120 150 180
4. For the effi ciency rating just follow line across to Grams
the right until it intersects the effi ciency axis and
record number. To determine element capacity
1. Starting along the vertical differential pressure
To determine which media can provide a axis choose changeout setting.
particular beta rating: 2. Move horizontally across until line intersects the
5. Choose beta rating desired on left vertical axis media grade desired.
6. Follow line horizontally across until it intersects 3. Move perpendicular downward until line intersects
media grade. horizontal axis “Grams” and record value .
7. Move downward perpendicular until you intersect
the horizontal “Micron Size” axis and record value.
If micron value is too low repeat steps until a desired
value is achieved.

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