Page 409 - Softbound_Edition_19_en

WDPPU08
Proportional spool valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
Q = f (p) Volume flow pressure characteristics Q = f (p) Volume flow pressure characteristics
I = I G I = I G
ACB-S ADB-V
Q [l/min] Q [l/min]
25 K1196 25 K1197
20 P - A 20 P - A
15 P - B B - T 15 P - B B - T
10 A - T 10 A - T
5 5
0 0
0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]

∆p = f (Q Pressure drop volume flow characteristics
I = I
G
p [bar]
25 K1198
20
15
10
5
0
0 5 10 15 20 Q [l/min]

Q = f (I) Volume flow adjustment characteristics Q = f (I) Volume flow adjustment characteristics
∆p = 10 bar ∆p = 10 bar
ACB-S ADB-V
Q [l/min] Q [l/min]
15 K1199 15 K1200
12,5 P - B P - A 12,5
10 A - T B - T 10 P - B P - A
7,5 7,5 A - T B - T
5 5
2,5 2,5
0 0
-100 -80 -60 -40 -20 0 20 40 60 80 100 l [%] -100 -80 -60 -40 -20 0 20 40 60 80 100 l [%]

QL = f (Q) Leakage volume flow characteristics QL = f (Q) Leakage volume flow characteristics
per control edge per control edge
ACB-S ADB-V
Q [cm /min] Q [cm /min]
3
3
250 K1201 250 K1202
200 200
150 150
100 100
50 50
0 0
0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]

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 3/4 Edition: 19 34 1.10-2710 E
Page 409