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Turns of the set point screw (scale divisions)
9
DN 15
K
2.5
vs
DN 15
K
4
vs
DN 20
K
6.3
vs
DN 25
K
8
vs
Flow rate ranges
Fig. 10: Adjustment diagram DN 15 to 25 with K
EB 3130 EN
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
= 2.5, 4, 6.3 and 8
VS
Operation
Differential pressure set point in
Type 46-5: fixed; in Type 46-6: adjust-
able to 0.2, 0.3, 0.4 and 0.5 bar
V [m 3 /h]
˚
0.3
0.9
1.5
2.1
2.7
3.3
3.9
4.5
5.1
5.7
0.2
0.4
Differential pressure at
restriction Δp in bar
29
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