Page 388 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve Proportional spool valve

Q = f (p) Volume flow pressure characteristics Q = f (p) Volume flow pressure characteristics Q = f (I) Volume flow adjustment characteristics Q = f (I) Volume flow adjustment characteristics
I = I G I = I G ∆p = 10 bar ∆p = 10 bar
Measured at 50 °C Measured at 50 °C Measured at 50 °C Measured at 50 °C
ADB-V, AD1-V, DB2-V ADB-V, AD1-V, DB2-V ACB-S, AC1-S, CB2-S ACB-S, AC1-S, CB2-S
Execution L15 / L17 Execution L9 Execution L15 / L17 Execution L9
Q [l/min] Q [l/min] Q [l/min] Q [l/min]
35 K1075 30 K1080 30 K1078 30 K1084
30 25 25 25
25 20 20 Q N = 25 l/min 20
20 Q N = 25 l/min 15 Q N = 25 l/min 15 15 Q N = 25 l/min
15 Q N = 16 l/min Q N = 16 l/min Q N = 16 l/min Q N = 16 l/min
10 Q N = 10 l/min 10 10 Q N = 10 l/min 10 Q N = 10 l/min
5 Q N = 5 l/min 5 Q N = 10 l/min 5 Q N = 5 l/min 5 Q N = 5 l/min
Q N = 5 l/min
0 0 0 0
0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%]

∆p = f (Q) Pressure drop volume flow characteristics ∆p = f (Q) Pressure drop volume flow characteristics Q = f (I) Volume flow adjustment characteristics Q = f (I) Volume flow adjustment characteristics
I = I G I = I G ∆p = 10 bar ∆p = 10 bar
Measured at 50 °C Measured at 50 °C Measured at 50 °C Measured at 50 °C
ACB-S, AC1-S, CB2-S ACB-S, AC1-S, CB2-S ADB-V, AD1-V, DB2-V ADB-V, AD1-V, DB2-V
Execution L15 / L17 Execution L9 Execution L15 / L17 Execution L9
p [bar] p [bar] Q N = 10 l/min Q [l/min] Q [l/min]
30 K1076 Q N = 5 l/min Q N = 10 l/min Q N = 16 l/min Q N = 25 l/min 30 K1083 Q N = 5 l/min Q N = 16 l/min Q N = 25 l/min 30 K1079 30 K1085
25 25 25 25
20 20 20 Q N = 25 l/min 20 Q N = 25 l/min
15 15 15 15
Q N = 16 l/min Q N = 16 l/min
10 10 10 10
Q N = 10 l/min Q N = 10 l/min
5 5 5 Q N = 5 l/min 5 Q N = 5 l/min
0 0 0 0
0 4 8 12 16 20 24 28 32 36 Q [l/min] 0 4 8 12 16 20 24 28 Q [l/min] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%]

Note! All values were measured over two control edges. The
connections A and B were short-circuited.
∆p = f (Q) Pressure drop volume flow characteristics ∆p = f (Q) Pressure drop volume flow characteristics
I = I G I = I G
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
p [bar] p [bar] Q N = 10 l/min
Q N = 5 l/min Q N = 10 l/min Q N = 16 l/min Q N = 5 l/min Q N = 16 l/min Q N = 25 l/min
30 K1077 Q N = 25 l/min 30 K1082
25 25
20 20
15 15
10 10
5 5
0 0
0 4 8 12 16 20 24 28 32 36 Q [l/min] 0 4 8 12 16 20 24 28 Q [l/min]

www.wandfluh.com Illustrations are not binding Data subject to change 4/6 Edition: 21 18 1.10-88 E www.wandfluh.com Illustrations are not binding Data subject to change 5/6 Edition: 21 18 1.10-88 E
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