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Operation
Turns of the set point screw (scale divisions)
10
9
DN 32,
K vs 12.5
DN 40,
K vs 16,
1)
K vs 20
DN 50,
K vs 20,
1)
K vs 25
Flow rate ranges
Fig. 11: Adjustment diagram DN 32 to 50
30
8
7
6
5
Pressure loss across the
plant Δp
in bar
plant
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
4
3
2
1
Possible range
Differential pressure set point in
Type 46-5: fixed
In Type 46-6: adjustable to 0.2,
0.3, 0.4 and 0.5 bar
V [m 3 /h]
˚
1
3
5
7
9
11
13
15
0.2
0.4
Differential pressure at
restriction Δp in bar
EB 3130 EN
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