Samson 3374 - Page 55

EB 3018 EN 7-9
Operation
Table 7-2: Flow rate set point ranges for water · Type2423E
Balanced by a bellows or diaphragm
Set point ranges in m³/h with ... DN65 DN80 DN100
Differential pressure at the restriction
Δprestriction=0.2bar
5 to 28 7 to 35
1)
10 to 63
Differential pressure at the restriction
Δprestriction=0.5bar
7.5 to 40 10 to 55 15 to 90
1)
7 to 35m³/h (160cm² actuator), 7 to 40m³/h (320cm² actuator)
Adjustment diagrams for water
DN 80 DN 100
DN 65
DN80
0,5
0,2
DN65
UU
01234567811109
10
20
30
40
50
60
70
80
90
100
110
V m³/h
012345678910
5
10
15
20
25
30
35
40
45
50
55
V m³/h
DN 80
Actuator
320cm²
Δp
restriction
=0.5 bar V Flow rate
Δp
restriction
=0.2 bar U Turns of the set point adjuster (restriction)
Fig.7-3: Adjustment diagrams for Type2423E Regulator, balanced by a bellows or diaphragm,
DN65 to 100