Page 357 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
Q = f (p) Volume flow pressure characteristics Q = f (I) Volume flow adjustment characteristics
I = I G Δp = 10 bar
ACB-S, AC1-S, CB2-S ACB-V, AC1-V, CB2-V, ADB-V, AD1-V, DB2-V
Q [l/min] Q [l/min]
25 K4047 14 K4046
12
20 Q = 4 l/min 10 Q = 12 l/min
N
N
15 8 Q = 8 l/min
N
10 Q N = 8 l/min 6 Q = 4 l/min
Q = 12 l/min
N
N
5 4
2
0 0
0 50 100 150 200 250 300 350 p [bar] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%]

Δp = f (Q) Pressure drop volume flow characteristics Q = f (p) Volume flow pressure characteristics
I = I G I = I G
ACB-S, AC1-S, CB2-S ACB-R, AC1-R, CB2-R
p [bar] Q = 4 l/min Q = 8 l/min Q [l/min]
50 K4048 N N 25 K1014
40 20
30 Q = 12 l/min 15 Q = 12 l/min
N
= 8 l/min
N
Q N
20 10 Q N = 4 l/min
10 5
0 0
0 3 6 9 12 15 Q [l/min] 0 50 100 150 200 250 300 350 p [bar]

Q = f (I) Volume flow adjustment characteristics Δp = f (Q) Pressure drop volume flow characteristics
∆p = 10 bar I = I G
ACB-S, AC1-S, CB2-S ACB-R, AC1-R, CB2-R
Q [l/min] p [bar]
N
14 K4049 50 K4059 Q = 4 l/min
12 Q = 12 l/min 40 Q N = 8 l/min
N
10
8 Q = 8 l/min 30 Q = 12 l/min
N
6 20 N
4 Q N = 4 l/min
2 10
0 0
-100 -80 -60 -40 -20 0 20 40 60 80 100 l [%] 0 3 6 9 12 15 Q [l/min]

Q = f (p) Volume flow pressure characteristics Q = f (I) Volume flow adjustment characteristics
I = I G Δp = 10 bar
ACB-V, AC1-V, CB2-V, ADB-V, AD1-V, DB2-V ACB-R, AC1-R, CB2-R
Q [l/min] Q [l/min]
20 K4044 12 K1017
Q N = 12 l/min
10
15 Q N = 8 l/min
Q = 12 l/min 8
N
10 6
Q = 8 l/min 4 Q N = 4 l/min
N
5 Q = 4 l/min 2
N
0 0
0 50 100 150 200 250 300 350 p [bar] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%]

www.wandfluh.com Illustrations are not binding Data subject to change 3/5 Edition: 17 35 1.10-73 E
Page 357