Page 291 - 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
per control edge
3
p [bar] Q [cm /min]
350 K4259 150 K0232_3
300 120
250 90
200
150 60
100 30
50
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
4/3-way valve (spring centred) 4/2-way valve (spring reset)
4/2-way valve (impulse)
9.5
5.2 MD=5.2Nm
G1/8"
8

45 49
41

10 20 10 50 30
186 MD=5.2Nm 54 68 12.6 MD=60Nm
139.6

HYDRAULIC CONNECTION PARTS LIST
Position Article Description
17.8
10 254.4059 Pneumatic actuation CKIIM
T
20 246.2160 Socket head screw M5 x 60 DIN 912
A B 30 239.2210 Socket head screw M20 x 1
31 21 32.5
50 160.2093 O-ring ID 9,25 x 1,78 (NBR)
P 160.6092 O-ring ID 9,25 x 1,78 (FKM)
21.5
40.5

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 22 1.6-32 E
Page 291