Page 293 - Softbound_Edition_19_en

AK4x10
Spool valve

Spool valve
NG10
Flange construction ISO 4401-05
◆ pneumatically operated
◆ 4/2-way impulse valve
◆ 4/3-way with spring centred mid position
◆ 4/2-way with spring reset
◆ Q = 80 l/min
max
◆ p = 350 bar
max

DESCRIPTION APPLICATION
Direct operated spool valve, pneumatically operated, with 4 Spool valves are mainly used for controlling direction of movement
connections in a 5 chamber system. Spool detented or with spring. and stopping of hydraulic cylinders and motors. The direction of
Without actuation, the spool is held in the center position by the movement is determined by the position of the spool and its symbol.
spring (4/3), or switched back to the offset position (4/2). With the
detent, the spool is held in the last switching position selected.
Precise spool fit, low leakage, long service life time. Spool made
from hardened steel, body from high quality hydraulic cast steel.

SYMBOL

J100 Z100a Z100b
A B A B A B
a a b b a a b b a a b b

P T P T P T
D101 Z101a Z101b
A B A B A B
a a 0 b b a a b b a a b b
P T P T P T
D102 Z102a Z102b
A B A B A B
0 b a
a a b b a a b a b b
P T P T P T
D103 Z103a Z103b
A B A B A B

a a b b a a b a b b
0 b a
P T P T P T
D104 Z104a Z104b
A B A B A B
0 b a
a a b b a a b a b b
P T P T P T
D105 Z105a Z105b
A B A B A B
0 b a
a a b b a a b a b b
P T P T P T

www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 16 29 1.6-40 E
Page 293