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GENERAL INFORMATION
1.9
Pumps
The models equipped with a pump have the following headform curves for each single module:
Residual head (mbar)
1300
1200
1100
1000
900
800
700
600
500
400
Steel Pro Power 114/140-2P
300
200
Steel Pro Power 180-2P
100
Steel Pro Power 300-3P
0
0
1
2
3
9
At the first start-up, and at least once a year, the rotation of the circulator shaft should be checked as, especially after long
periods of not being operated, deposits and/or residuals could impede its free rotation.
9
Before loosening or removing the circulator cap, protect the electric devices located underneath from any water that exits.
0
It is prohibited to operate the circulators without water.
Steel Pro Power 230-2P
Steel Pro Power 345-3P
Steel Pro Power 460-4P
Steel Pro Power 270-2P
Steel Pro Power 405-3P
Steel Pro Power 540-4P
4
5
6
7
8
Flow-rate (m
16
The models with valve have the following load losses:
Water-side pressure drop
Pressure drop (mbar)
1000
900
800
700
600
500
400
300
200
100
0
0
1
/h)
3
Steel Pro Power 270-2V
Steel Pro Power 405-3V
Steel Pro Power 540-4V
Steel Pro Power 114/140-2V
Steel Pro Power 180-2V
Steel Pro Power 300-3V
2
3
4
5
6
7
17
GENERAL INFORMATION
Steel Pro Power 230-2V
Steel Pro Power 345-3V
Steel Pro Power 460-4V
8
9
Flow-rate (m
/h)
3
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