DH6/10

Solenoid operated directional valve
Spool type symbol
2 position valve
Number of
positions
Position
holding method
2
Spring offset
type
Spool
type symbol
01
03
04
Sol.
a
Hydraulic
symbols
a
a
B
T
b
b
A
P
B
T
A
P
Sol.
b
Transient state
B A
Sol. a b
a
T P
B A
a b Sol.
b
T P
2 positions
02
25
B
A
B
A
Sol.
a
a
T
b
P
Sol.
b
Sol.
a
a
T
P
b
Sol.
b
1
No spring type
with detent
01
03
04
3 position valve
When neutral position and one side position of the
3 position valve are used together
Number of
positions
Position
holding method
Spool
type symbol
Sol.
a
Hydraulic
symbols
B
a o b
T
A
P
Sol.
b
Transient state
B A
a
b
T P
With reference to the 3 position valve, two types of the 2 position
valve are available: the valve that uses the neutral position and
sol.a excitation position of the 3 position valve (2**A) and the
one that uses the neutral position and sol.b excitation position
(2**B).
05
Number of
positions
Position Spool
holding method type symbol
Hydraulic
symbols
06
Sol.
a
a
o
B
T
A
P
o b Sol.
b
07
05A
08
05B
3 positions
2
Spring center
type
09
10
06A
06B
12
2 positions
2
Spring offset
type
07A
13
07B
16
08A
17
08B
21
10A
22
10B
1-12