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Series
2.15
INSTRUCTIONS
February 2015
Page
ISO
G
COPYRIGHT © SULZER PUMPS FINLAND OY
ORIGINAL INSTRUCTION
USER'S MANUAL – AHLSTAR
Safety instructions
Open, special open, low flow and vortex impellers
Table 5, Sound pressure level LpA / open impellers (dB)
Pump size
Pump
types
Pump rot. speed (rpm)
3550 2950 1760 1480 1180 980 880 740 710 590 510 495 445
10-32 A <70
<70
<70
<70
10-50 A <70
<70
<70
<70
10-65 A <70
<70
<70
<70
11-32
A
<70 <70 <70 <70 <70
11-40
A
<70 <70 <70 <70 <70
11-50 A 72
<70
<70
<70
<70
20-65 A <70
<70
<70
<70
20-80 A <70
<70
<70
<70
21-65 A 75
<70
<70
<70
21-80 A 77
73
<70
<70
<70
21-100
A
75
<70
<70
<70
22-32
A
<70 <70 <70 <70 <70
22-40
A
74 <70 <70 <70 <70 <70 <70
22-50
A
76 73 <70 <70 <70 <70 <70
22-65
A
79 75 <70 <70 <70 <70 <70
22-80
A
81 77 <70 <70 <70 <70 <70
23-40
A
75 <70 <70 <70 <70 <70
23-50
A
77 <70 <70 <70 <70 <70
31-100 A
83 79 <70 <70 <70 <70 <70
31-125 A
81 73 <70 <70 <70 <70
31-150
A
75
<70
<70
<70
<70
32-65 A
72
<70
<70
<70
<70
32-80 A
72
<70
<70
<70
<70
32-100
A
74
<70
<70
<70
<70
32-125
A
76
72
<70
<70
<70
33-80 A
74
72
<70
<70
<70
<70
33-100
A
76
74
<70
<70
<70
<70
33-125
A
79
76
72
<70
<70
<70
41-200
A
81
78
74
71
<70
41-300
A
80
77
73
72
<70
41-400
A
80
77
73
72
<70
42-150
A
79
75
71
<70
<70
42-200
A
81
78
74
71
<70
43-250 A
88 85 81 78 76 73 72 <70
43-350 A
86 82 79 77 74 73 <70
43-500 A
86 82 79 77 74 73 <70
44-150
A
81
78
74
71
<70
<70
44-200
A
84
81
77
71
72
<70
51-250 A
90 87 83 80 78 75 74 71
51-300 A
88 84 81 79 76 75 72
51-400 A
89 85 82 80 77 73 73
51-500 A
89 85 82 80 77 76 73
53-100 A
86 83 79 76 74 71 70 <70
53-150 A
90 87 83 80 78 75 74 77
53-200 A
89 85 82 80 77 76 73
53-250 A
91 87 83 82 79 78 75
53-300
A
88
85
83
80
79
76
53-400
A
88
85
83
80
79
76