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Solenoid operated spool valve
Solenoid operated spool valve Solenoid operated spool valve

DIMENSIONS Solenoid operated spool valve with soft switching
4/3-way valve (spring centred) 4/2-way valve (spring reset) NG6
Flange construction ISO 4401-03
A B A 130 ◆ 4/3-way with spring centred mid position
140 E 9.5 ◆ 4/2-way with spring reset
5.2 MD=5.2Nm Q = 60 l/min
6 ◆ max
77 ◆ p = 350 bar
max
37 38
V = 32
DESCRIPTION APPLICATION
10 3 2.5 Direct operated solenoid spool valve with 4 connections in 5 cham- Normal solenoid spool valves switch very quickly. This can lead to
193 80 70 10
MD= 5Nm 18 50 57 8 ber design. With the solenoids deenergised, the spool is held in the shocks in the hydraulic system which can cause mechanical wear
center position by the spring (4/3), or switched back to the offset and have a negative effect on operation. The soft switching valves
HS1 133
HF1 position (4/2). The soft switching of the valve is achieved by means slow down and dampen the switching movements which benefits
43 44
30 30 of an optimum combination of the orifice and spool design. Precise the system. Optimum results can be achieved if all 4 connections
80 90 A spool fit, low leakage, long service life time. Spool made from are connected and the valve is properly vented.

h ardened steel, valve body from high quality hydraulic cast steel.
Wide range of standard and special voltages.
77
35
N =
SYMBOL
10

AB1 AB2
15 53

133 A B
E = Air bleed screw a b a b
Orifices in valve body influence the switching times a b a b
HYDRAULIC CONNECTION PARTS LIST P T
Position Article Description ACB AC1 CB2
50 55 14.5 10 206.2... V.E37 / 19 x 50 A B A B A B

T 260.5... N.S35 / 19 x 50 a a 0 b b a a b b
6.5 50 160.2060 O-ring ID 6,07 x 1,78 (NBR) P T P T P T
22.5 18 A B 24 160.6061 O-ring ID 6,07 x 1,78 (FKM)
55 160.2076 O-ring ID 7,65 x 1,78 (NBR) ADB AD1 DB2
P 160.6076 O-ring ID 7,65 x 1,78 (FKM) A B
15.4 A B A B
24 60 160.2187 O-ring ID 18,72 x 2,62 (NBR) a 0 b a b
70 154.2700 Knurled nut a b a b
80 253.7001 Push-button P T P T P T

90 253.7000 Spindle BEA BE1 EA2
130 246.1007 Socket head screw zinc-coated blue M4 x 6 A B A B A B
DIN84 A
a b a b
140 049.2040 Bonded seal ID 4,1 x 7,2 x 1 a 0 b a b
INSTALLATION NOTES ACCESSORIES P T P T P T
Mounting type Flange mounting Mating connector grey (A) Article no. 219.2001 AFB AF1 FB2
3 fixing holes for Mating connector black (B) Article no. 219.2002 A B A B A B
socket head screws M5 x 40 Threaded subplates Data sheet 2.9-12 a 0 b a b
Mounting position Any, preferably horizontal Technical explanations Data sheet 1.0-100 a b a b
Tightening torque Fixing screws M = 5,2 Nm (screw P T P T P T
D
quality 8.8, zinc coated) Hydraulic fluids Data sheet 1.0-50
M = 5 Nm knurled nut Relative duty factor Data sheet 1.1-430
D
Note! The length of the fixing screw depends on the base
material of the connection element.
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 09 1.4-23 E www.wandfluh.com Illustrations are not binding Data subject to change 1/5 Edition: 22 10 1.4-32 E
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