▪ Mechanical seal (single-acting or in tandem arrangement)
▪ Gland packing with connection for barrier or flushing liquid in the cylindrical seal
chamber
4.6 Noise characteristics
Table 9: Sound pressure level measured at surfaces L
pA
6) 7)
Rated power
input
PN [kW]
Pump set Pump
2900 rpm
[dB]
1450 rom
[dB]
960/760 rpm
[dB]
2900 rpm
[dB]
1450 rpm
[dB]
960/760 rpm
[dB]
1 63 57 55 54 52 51
2 65 59 53 55 53 52
3 67 61 59 57 55 54
4 69 62 61 58 57 55
6 70 64 63 60 58 57
8 71 65 64 61 59 58
11 73 67 66 63 61 60
15 74 68 67 64 62 61
19 75 69 68 65 63 62
22 75 69 68 66 64 63
30 76 71 69 67 65 64
37 77 71 70 68 66 65
45 77 72 71 69 67 66
55 78 73 71 70 68 67
75 - 74 72 - 69 68
90 - 74 73 - 70 69
110 - 75 73 - 71 70
132 - 75 74 - 72 71
160 - 76 74 - 73 72
200 - 76 75 - 75 74
250 - 80 79 - 76 75
4.7 Scope of supply
Depending on the model, the following items are included in the scope of supply:
▪ Pump
▪ Surface-cooled IEC three-phase current squirrel-cage motor
▪ Flexible coupling with or without spacer sleeve or belt drive
▪ Coupling guard to EN 294 or belt guard
▪ Baseplate (to ISO 3661), cast or welded, for pump and motor, in torsion-resistant
design
▪ As required
4.8 Dimensions and weights
For dimensions and weights please refer to the general arrangement drawing/outline
drawing of the pump (set).
Drive
Shaft coupling
Contact guard
Baseplate
Special accessories
6)
Spatial average to ISO 3744 and EN 12639. Applies to non-cavitating pump operation in the range Q/Qopt = 0.8 - 1.1. If
noise levels are to be guaranteed: Add +3dB for measurement and manufacturing tolerance.
7)
For 60 Hz operation: 1750 rpm, + 1dB; 1160 rpm, without allowance.
4 Description of the Pump (Set)
KWP
21 of 78
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