Samson 42-36 E Mounting And Operating Instructions page 60

Pressure-independent control valve
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Operation
Table 7-3: Flow set point ranges for water · Type 2423 E, balanced by a bellows
Set point ranges in m³/h with ...
DP at the restriction Δp
DP at the restriction Δp
[ m
/h ]
³
V
120
DN 125
110
100
90
80
70
60
50
40
30
20
10
0
2
4
6
8
10
V
[ m
/h ]
³
350
325
DN 200
300
275
250
225
200
175
150
125
100
75
50
25
0
2
4
6
8
Fig. 7-4: Adjustment diagrams for Type 2423 E Regulator, balanced by a bellows, DN 125 to 250
7-10
 = 0.2 bar
restriction
 = 0.5 bar
restriction
Adjustment diagrams for water
V
180
160
140
120
100
80
60
40
20
U
12 14 16 18
V
400
375
350
325
300
275
250
225
200
175
150
125
100
75
50
25
U
10
12 14
16
DN 125
DN 150
40 to 80
50 to 120
60 to 120
75 to 180
[ m
/h ]
³
DN 150
0
2
4
6
8
10
12 14 16 18
[ m
/h ]
³
DN 250
0
2 4
6
8 10 12 14 16
DN 200
DN 250
70 to 180
90 to 220
100 to 260
120 to 300
Δp
restriction
= 0.5 bar
Δp
restriction
= 0.2 bar
V Flow rate
Turns of the set point
U
adjuster (restriction)
U
U
EB 3018 EN
 

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