Samson 3374 - Page 54

7-8 EB 3018 EN
Operation
Table 7-1: Flow rate set point ranges for water · Type2423E Regulator, balanced by a
bellows
Set point ranges in m³/h with ... DN15 DN20 DN25 DN32 DN40 DN50
Differential pressure at the restriction
Δprestriction=0.2bar
0.5 to 2 0.5 to 3 0.8 to 3.5 2 to 7 3 to 11 3 to 16
Differential pressure at the restriction
Δprestriction=0.5bar
0.8 to 3 0.8 to 4.5 1.2 to 5.3 3 to 9.7 4.5 to 16 4.5 to 24
Adjustment diagrams for water
DN 32
DN 40
DN 40
DN 50
DN 50
DN 32
DN 15
DN 15
DN 25
DN 25
DN 20
1
2
3
4
5
DN 20
0123456
V m³/h
V m³/h
0
1
2
345
6
7
89
2
4
6
8
10
12
14
16
18
20
22
24
UU
Δp
restriction
=0.5 bar V Flow rate
Δp
restriction
=0.2 bar U Turns of the set point adjuster (restriction)
Fig.7-2: Adjustment diagrams for Type2423E Regulator, balanced by a bellows, DN15 to 50