Bushing / spool type
O
4- way: critical lap, linear characteristic
Y
4- way: critical lap, curvilinear characteristic, > Q
N
=80 l/min
X
Special bushing on request
Pilot connections
Former Code
Supply
Return
Valve vers.
4
A, J
internal
internal
G, S, H
5
C, L
external
internal
G, S, H
6
B, K
external
external
G
7
D, M
internal
external
G
Spool position without electric supply
O
undefined
valve version G only
A
P
➔
B, A
➔
T interconnected
M
Mid position by mech. feedback
valve versions S and H only
Valve version
G
Standard bushing, without mechanical feedback
p
T
= 100 % p
P
, only possible with external Y
S
Standard bushing, with mechanical feedback
p
T
max. 100 bar
H
High response bushing, with mechanical feedback
p
T
max. 100 bar
Model designation
assigned at the factory
Type designation
Model-Number
D661-G, S and H
Electric supply
0
±
15 VDC
±
3%
2
24 VDC
(18-32 VDC)
Maximum operating pressure
F
210 bar.
At p
X
≤
210 bar (X and Y external) operating pressure
in ports P, A, B
and T up to 350 bar possible.
K
350 bar
(with dropping orifice in filter cover)
Valve connector
S
6+ PE-pole EN 175201 Part 804
E
11+ PE-pole EN 175201 Part 804
Factory identification
Preferred configurations are highlighted.
All combinations may not be available.
Options may increase price.
Technical changes are reserved.
Specification status
–
Series specification
E
Preseries specification
Z
Special specification
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
Rated flow
Q
N
[l/min] at Dp
N
Valve version
70 bar
10 bar
04
10
4
G
S
H
08
20
8
G
S
H
15
40
15
G
S
H
30
80
30
G
S
H
45
120
45
G
–
–
55
140
55
–
S
H
65
170
65
G
–
–
With curvilinear characteristic (Y)
reduced rated flow (see curves)
Seal material
N
NBR
Standard
V
F
luorocarbon
optional
others on request
Signals for 100% spool stroke
Command
Output
A
±
10 V
±
10 V
B
±
10 mA
±
10 mA
Pilot stage version (pilot pressure 15 to 210 bar)
Pilot flow at p
X
= 140 bar
Valve version
E
without mechanical feedback
1.15 l/min
G
–
–
G
with mechanical feedback
1.15 l/min
–
S
H
F
with mechanical feedback
0.65 l/min
–
S
H
A
Servojet
®
G
–
–
ORDERING INFORMATION
14