Page 395 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve

Q = f (I) Volume flow adjustment characteristics Q = f (I) Volume flow adjustment characteristics
∆p = 10 bar ∆p = 10 bar
Measured at 50 °C Measured at 50 °C
ACB-S, AC1-S, CB2-S ACB-S, AC1-S, CB2-S
Execution L15 / L17 Execution L9
Q [l/min] Q [l/min]
20 K4231 Q N = 20 l/min 20 K4232
18 18
16 16
14 14 Q N = 14 l/min
12 12
10 Q N = 12 l/min 10
8 8
6 Q N = 6 l/min 6 Q N = 7 l/min
4 4 Q N = 3 l/min
2 2
0 0
-100 -80 -60 -40 -20 0 20 40 60 80 100 I [%] -100 -80 -60 -40 -20 0 20 40 60 80 100 I [%]

Q = f (I) Volume flow adjustment characteristics Q = f (I) Volume flow adjustment characteristics
∆p = 10 bar ∆p = 10 bar
Measured at 50 °C Measured at 50 °C
ADB-V, AD1-V, DB2-V ADB-V, AD1-V, DB2-V
Execution L15 / L17 Execution L9

Q [l/min] Q [l/min]
20 K4233 Q N = 20 l/min 20 K4234
18 18
16 16 Q N = 16 l/min
14 14
12 Q N = 12 l/min 12
10 10 Q N = 10 l/min
8 8
6 Q N = 6 l/min 6
4 4 Q N = 5 l/min
2 2
0 0
-100 -80 -60 -40 -20 0 20 40 60 80 100 I [%] -100 -80 -60 -40 -20 0 20 40 60 80 100 I [%]

Note! All values were measured over two control edges. The
connections A and B were short-circuited.

www.wandfluh.com Illustrations are not binding Data subject to change 5/6 Edition: 21 18 1.10-88S E
Page 395