4 Technical data
4.3 Required NPSH values
Liquid level in tank
Liquid level in tank
Size
Limit value [mm]
Size
Limit value [mm]
Pump
Motor
H1
H2
Pump
Motor
H1
H2
550 – 880
132S/132M
130
386
160M/160L
179
386
180M/180L
185
386
200L
190
386
225/2
177
386
225/4
218
386
250/2
221
386
250/4
221
386
Tab. 4: Liquid level in tank
4.3 Required NPSH values
The required NPSH values of the pump depend on the size, the viscosity of the pumped liquid and the
speed.
The NPSH values are available on the website of the manufacturer:
4.4 Sound pressure level
Guide values at 1 m distance, 2900 min
-1
, 20 bar, 21 mm
2
/s
Size
5
7.5
10
15
20
26
32
42
55
74
85
Max. sound pressure level ±3 [dB(A)]
Pump
49
51
52
53
55
56
54
56
57
58
60
Size
105
118
160
210
235
275
370
450
550
660
880
Max. sound pressure level ±3 [dB(A)]
Pump
61
62
63
67
69
70
69
72
72
73
74
Tab. 5: Sound pressure level
4.5 Weights
The weight is specified on the rating plate.
Operating instructions
OIC 01en-GB Edition 2019-11
9
