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Solenoid operated spool valve
Solenoid operated spool valve WDMFA06-../L8

DIMENSIONS Solenoid operated spool valve
4/3-way valve (spring centred) 4/2-way valve (spring reset) Flange construction NG6
4/2-way valve (impulse) 4/3-way with spring centred mid position ISO 4401-03
◆
A B A 9.5 ◆ 4/2-way with spring reset
5.2 M D= 5.2Nm ◆ Q = 80 l/min
max
8 ◆ p = 350 bar
max
85.5
45
49
W = 41
10
230.4 12 17 10 50
M D=9Nm DESCRIPTION APPLICATION
31.2 50 68 12.6
Direct operated solenoid spool valve with 4 connections in 5 cham- Spool valves are mainly used for controlling direction of movement
161.8
ber design. With the solenoids deenergised, the spool is held in the and stopping of hydraulic cylinders and motors. The direction of
center position by the spring (4/3), or switched back to the offset movement is determined by the position of the spool and its symbol.
A position (4/2). Precise spool fit, low leakage, long service life time. Switching performance limits and leakage of the valves must be
Spool made from hardened steel, body from high quality hydraulic taken into account when designing the system. Solenoid operated

cast steel. Wide range of standard and special voltages. spool valves are suitable for machine tools and handling systems of
88.3 any kind.

45
M =
10
28.2 53
161.8 SYMBOL

AB1 AB2
A B A B
HYDRAULIC CONNECTION PARTS LIST a b a b
Position Article Description a b a b
17.8 P T P T
10 206.1... W.E45 / 23 x 50
T 206.7... M.S45 / 23 x 50 ACB AC1 CB2
A B A B A B
A B 12 154.2605 Knurled nut M23 x 1,5 x 31,2
31 21 32.5 a o b a b a b
17 160.2330 O-ring ID 33,05 x 1,78 (NBR) a b a b a b
P 50 160.2093 O-ring ID 9,25 x 1,78 (NBR) P T P T P T
21.5 160.6092 O-ring ID 9,25 x 1,78 (FKM) ADB AD1 DB2
40.5 A B A B A B
o b a
a b a b
a b a b a b
P T P T P T

BEA BE1 EA2
A B A B A B
a o b a b a b
a b a b a b
P T P T P T

AFB AF1 FB2
A B A B A B
o b a
a b a b
a b a b a b
P T P T P T

AGB AG1 GB2
A B A B A B
o b a
a b a b
a b a b a b
P T P T P T

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 4/4 Edition: 22 48 1.2-59S E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 16 27 1.2-60 E
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