Page 283 - 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
p [bar] Q [cm /min]
3
350 K0655 ACB/AC1/CB2 40 K4262
ADB/AD1/DB2
300
250 30
200
150 AB1/AB2 20
100
50 AB3 10
0
0 1 2 3 4 5 6 7 8 Q [l/min] 0 0 50 100 150 200 250 300 350 p [bar]

Δp = f (Q) Pressure drop-volume flow characteristics Volume flow direction
p [bar] Symbol P - A P - B P - T A - T B - T
16 K4261 AB1 / AB2 / AB3 3 3 - 2 2
12 3 ACB / AC1/ CB2 3 3 - 1 1
8 2 ADB / AD1 / DB2 2 2 - 1 1
1
4

0
0 1 2 3 4 5 6 7 8 Q [l/min]

DIMENSIONS
4/3-way valve (spring centred) 4/2-way valve (spring reset)
4/2-way valve (impulse)
7.5
4.2 MD= 2.6Nm
5

29 G1/8" 29 30
25

10 40 10 50 20 30
MD=1.2Nm 35 38 7 MD= 1.2Nm
114 83

HYDRAULIC CONNECTION PARTS LIST
Position Article Description

P 10 254.1000 Pneumatic actuation CKIII
A B 11 21 20 056.4200 Cover
T T 0 30 246.0109 Socket head screw M3 x 8 DIN 912
40 246.0141 Socket head screw M3 x 40 DIN 912
10 50 160.2045 O-ring ID 4,50 x 1,50 (NBR)
20

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 21 33 1.6-15 E
Page 283