4 Description of the Pump (Set)
20 of 74
HPK-L
1136.8/15-EN
4.7 Noise characteristics
Table 9:
Surface sound pressure level L
pA
4)
5)
P
N
Pump
Pump set
960 rpm,
760 rpm
1450 rpm
2900 rpm
960 rpm,
760 rpm
1450 rpm
2900 rpm
[kW]
[dB]
[dB]
[dB]
[dB]
[dB]
[dB]
1,5
52
53
54
56
58
63
2,2
53
55
56
58
60
66
3
55
56
57
60
62
68
4
56
58
59
61
63
69
5,5
58
59
61
62
65
71
7,5
59
61
62
64
66
72
11
61
63
64
65
68
74
15
63
65
66
67
69
75
18,5
64
66
67
68
70
76
22
65
67
68
68
71
77
30
66
68
70
70
72
78
37
67
70
71
70
73
79
45
68
71
72
71
74
80
55
69
72
73
72
74
80
75
71
73
75
73
76
81
90
71
74
76
73
76
82
110
72
75
77
74
77
82
132
73
76
78
75
77
83
160
74
77
79
75
78
84
200
75
78
80
76
79
84
250
-
79
81
-
80
85
4.8 Scope of supply
Depending on the model, the following items are included in the scope of supply:
▪
Pump
Drive
▪
Surface-cooled IEC frame three-phase squirrel-cage motor
Coupling
▪
Flexible coupling with or without spacer
Contact guard
▪
Coupling guard
▪
Baseplate (to ISO 3661), cast or welded, for pump and motor, in torsion-resistant
design
▪
Channel section steel or folded steel plate
Special accessories
▪
As required
4
Surface sound pressure level as per ISO 3744 and DIN EN ISO 20361 ; valid for a pump operating range of Q/
QBEP = 0.8 - 1.1 and non-cavitating operation. If noise levels are to be guaranteed: Add +3 dB for measuring
and constructional tolerance.
5
Increase for 60 Hz operation: 3500 rpm +3 dB; 1750 rpm +1 dB; 1160 rpm ±0 dB
Summary of Contents for HPK-L
Page 1: ...Thermal Oil Hot Water Pump HPK L Installation Operating Manual ...
Page 72: ......
Page 73: ......
