Page 288 - Softbound_Edition_19_en
P. 288
Spool valve
Spool valve
NG6
Flange construction ISO 4401-03
◆ 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.
reset. Without actuation, the spool is held in the center position by
the 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, valve body from high quality hydraulic cast
steel.
SYMBOL
AB3 AB1 AB2
A B A B A B
a a b b a a b b a a b b
P T P T P T
ACB AC1 CB2
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
ADB AD1 DB2
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
BEA BE1 EA2
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
AFB AF1 FB2
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
AGB AG1 GB2
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
www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 21 22 1.6-32 E