4 Technical data
4.5 Mesh width strainer/filter
Size DS1
150
240
320
400
500
750
1000
1300
Max. sound pressure level ±3 [dB(A)]
Pump
45.0
46.2
47.7
47.9
49.1
50.4
51.8
53.6
Motor
45.0
44.0
45.0
44.0
44.0
54.0
54.0
54.0
1 pump unit
48.0
48.3
49.6
49.3
50.3
55.6
56.1
56.8
2 pump units
49.8
50.3
51.8
51.7
52.7
56.7
57.4
58.1
Tab. 6: Sound pressure level DS1
Size DS3
Size DS4
900
1100
1500
1800
2300
2900
1600
2000
3200
4000
6000
Max. sound pressure level ±3 [dB(A)]
Pump
50.2
51.5
52.8
53.0
54.6
56.1
52.9
54.5
56.2
58.0
60.1
Motor
44.0
44.0
44.0
55.0
55.0
59.0
46.0
46.0
60.0
60.0
60.0
1 pump unit
51.1
52.2
53.3
57.1
57.8
60.8
53.7
55.1
61.5
62.1
63.1
2 pump units
53.7
54.9
56.1
58.5
59.5
62.1
56.3
57.8
62.6
63.5
63.8
Tab. 7: Sound pressure level DS3 and DS4
4.5 Mesh width strainer/filter
Options
Usage
Series
Viscosity
[mm
2
/s]
Mesh width
[mm]
Strainer
Separation of coarse
soiling during operation
DL3, DL4
< 20
0.25
DS1, DS3, DS4
> 20
0.50
Commissioning strainer/
commissioning filter
Protection of the station
during commissioning
DL3, DL4, DS1,
DS3, DS4
–
0.02
Operating filter
Protection of the station
during operation
DL3, DL4, DS1,
DS3, DS4
–
Depending on
pumped liquid
Tab. 8: Mesh width strainer/filter
4.6 Weights
The weight is specified on the rating plate.
Operating instructions
OID 06en-GB Edition 2019-11
9
