Page 134 - Softbound_Edition_19_en

BM4x3
Solenoid operated spool valve Solenoid operated spool valve

DIMENSIONS Solenoid operated spool valve
4/3-way valve (spring centred) 4/2-way valve (spring reset) Flange construction NG4-Mini
4/2-way valve (impulse) Wandfluh standard
◆ 4/2-way impulse execution, dentented
◆ 4/3-way with spring centered mid position
◆ 4/2-way with spring reset
◆ Q = 30 l/min
max
◆ p = 350 bar
max

35 30
A 3 B A Ø 7.5 DESCRIPTION APPLICATION
MD = 2.6 Nm Ø 4.2 Direct operated solenoid spool valve with 4 connections in 5 cham- Spool valves are mainly used for controlling direction of movement
(5) 40 60 ber design. Spool detented or with spring reset. With the solenoids and stopping of hydraulic cylinders and motors. Switching perfor-
68.5 deenergised, the spool is held in the center position by the spring mance and leakage of the valves must be taken into account when
(4/3), or switched back to the offset position (4/2). With the impulse designing the system. Solenoid spool valves are suitable for machi-
10
29 29 30 spool (4/2), the spool is held in the switching position by the detent. ne tools and handling systems of any kind. Miniature values are
25

20 Precise spool fit, low leakage, long service life time. Spool made used where both, reduced dimensions and weight are important.
from hardened steel, valve body from high quality hydraulic cast
13 50 steel. Wide range of standard and special voltages.
148 3 42 38 7.3
MD = 5.2 Nm 100.3
2.5 70
MD = 1.2 Nm
SYMBOL

AB3 AB1 AB2
A B A B A B
a b a b a b
HYDRAULIC CONNECTION PARTS LIST a b a b a b
Position Article Description P T P T P T
ACB
P 10 260.2... Solenoid SIN29V A B AC1 A B A B CB2
A B 11 21 20 253.8000 Screw plug with integrated manual override a o b a b a b
HB4.5 (Data sheet 1.1-300) a b a b a b
T T 0 P T P T P T
30 219.2001 Electric plug A (grey)
10 35 219.2002 Electric plug B (black) ADB AD1 DB2
A B A B A B
20 40 056.4200 Cover o b a
50 246.0141 Socket head screw M3 x 40 DIN 912 a a b b a a b a b b
60 246.0109 Socket head screw M3 x 8 DIN 912 P T P T P T
70 160.2045 O-ring ID 4,50 x 1,50 (NBR) BEA BE1 EA2
A B A B A B
INSTALLATION NOTES ACCESSORIES a a o b b a a b b a a b b
Mounting type Flange mounting Mounting screws Data sheet 1.0-60 P T P T P T
3 fixing holes for socket head screws Threaded subplates Data sheet 2.9-05 AFB AF1 FB2
M4 x 30 Multi-station subplates Data sheet 2.9-45 A B A B A B
Mounting position Any, preferably horizontal a a o b b a a b b a a b b
Tightening torque M = 2,6 Nm (quality 8.8, zinc coated) Horizontal mounting blocks Data sheet 2.9-85 P T P T P T
D
Fixing screws Technical explanations Data sheet 1.0-100
Filtration Data sheet 1.0-50 AGB AG1 GB2
Note! The length of the fixing screw depends on the base A B A B A B
material of the connection element. Manual override Data sheet 1.1-300 a o b a b a b
Special manual override Data sheet 1.1-310 a b a b a b
Relative duty factor Data sheet 1.1-430 P T P T P T

Wandfluh AG Postfach CH-3714 Frutigen
Tel. 033 672 72 72 Fax 033 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 19 50 1.2-26 E www.wandfluh.com Illustrations are not binding Data subject to change 1/5 Edition: 21 40 1.2-33 E
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