Page 311 - Softbound_Edition_19_en

Spool valve
Spool valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limits Q = f (Q) Leakage volume flow characteristics
L
Measured with nominal voltage -10 % per control edge
p [bar] Q [cm /min]
3
350 K4285 150 K0232_3
300 AB1/AB3/ACB/ 120
AFB/AGB
250
200 90
150 60
100
50 BEA 30
0 0
0 10 20 30 40 50 60 70 80 Q [l/min] 0 50 100 150 200 250 300 350 p [bar]
AB3/AB1/ACB/ADB/AFB/AGB
BEA

Δp = f (Q) Pressure drop-volume flow characteristics Volume flow direction
∆p [bar] Symbol P - A P - B P - T A - T B - T
30 K0171 5 AB1 / AB2 / AB3 2 2 - 1 1
25 1 ACB / AC1 / CB2 2 2 - 1 1
20 2
15 3 ADB / AD1 / DB2 2 2 - 3 3
10 4 BEA / BE1 / EA2 2 2 5 2 2
5 AFB / AF1 / FB2 4 4 - 3 3
0 AGB / AG1 / GB2 4 4 - 1 1
0 10 20 30 40 50 60 70 80 Q [l/min]

DIMENSIONS HYDRAULIC CONNECTION
4/3-way valve (spring centring)
4/2-way valve (impulse) 17.8
T
A B
31 21 32.5

P
21.5
40.5
139.2

4/2-way valve (spring reset)
19 9.5
G1/8" 5.2 MD= 5.2Nm
s13
15
MD=5.5Nm
8

37 41 49 B2 B1

60 70 60 50 60 B4
3 32.6 68 12.6 s36
116.2 46

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 22 37 1.7-33 E
Page 311