Calculating the pressure loss of the filter housing / filter element
MRFD1
en(us)
Page 22 / 44
MoWa MRFD1 4113517a en-us 2016-08-10.docx
2016-08-10
R (Resistance) Factors
Filter material
Abbreviation
= Designation
PA
= Polyamide
PP
= Polypropylene
PES
= Polyester
GF
= Glass fiber
Maximum differential pressure at the filter element
The maximum differential pressure
Δ
pmax and the permitted temperature at the
filter element are:
Filter material
Fluid temperature
PP
PA
PES
-10 … 30°C
4 bar
7 bar
8 bar
-10 … 60°C
2 bar
5.5 bar
6.5 bar
-10 … 100°C
-
3.5 bar
5 bar
Filter elements - Flexmicron P (Premium)
Aqueous fluids
Oils
Filtration rating
PES*
PES*
GF**
1 µm
32.0
10.4
5.4
3 µm
24.0
7.5
-
5 µm
18.0
4.4
4.3
10 µm
17.0
1.8
3.2
20 µm
15.0
1.8
-
30 µm
14.0
0.9
-
40 µm
14.0
0.9
-
* ß > 5,000
** ß > 20,000
