D660 Series
Servo-Proportional Control Valves
with Integrated Electronics
ISO 4401 Size 05 to 10
Section
Page
Overview 2–3
Technical Data 4–5
Electronics 6-9
Per
formance Specs. 10-19
Fail-Safe Versions 20-25
Ordering Information 26-27
MOOG SERVO-PROPORTIONAL CONTROL VALVES
For over 25 years Moog has manufactured proportional control valves
with integrated electr
onics. During this time more than 150,000 valves
have been delivered. These proportional control valves have been
proven to provide reliable control of including injection and blow
molding equipment, die casting machines, pr
esses, heavy industry
equipment, paper and lumber processing and other applications.
D660 SERIES SERVO-PROPORTIONAL CONTROL VALVES
The D660 Series proportional flow control valves are throttle valves for
2, 3, 4 and 5-way applications. These valves are suitable for
electrohydraulic position, velocity, pressure or force control systems,
including those with high dynamic r
esponse requirements.
Over time, Moog servo-proportional valves have undergone
continuous improvements. Moog’s ServoJet
®
pilot stage reduces
ener
gy consumption and enhances the valves robustness. This pilot
stage uses the jet pipe principle, which has been used reliably with
different Moog valves for over 10 years.
We have updated D660 Series servo-proportional valves with new
integrated 24 V
DC
electronics which improve valve dynamics significantly.
The improved D660 Series is designed to enhance the stability and
performance of the valves in a wider variety of applications, increase
the number of signal options and improve the fail-safe functionality of
an application.
We have also redesigned the valve’s ServoJet
®
pilot stage, reducing
hysteresis and null shift and improving pressure gain. Also, the
updated ServoJet
®
pilot stage now has the ability to operate at a plus
or minus 150 mA rated signal.
The new integrated electronics improve valve dynamics by up to 30
percent and now have a 24 V
DC
supply voltage, as well as 4 to 20 mA
spool position output as options.
Changes in the D660 Series allow the 90° phase lag frequency response
characteristic for small signals (10% amplitude) to increase from 78 Hz
to 90 Hz in the D661 Series, (NG 10).
Other impr
ovements in the D660 Series addr
ess many safety
considerations in die-casting machines, injection-molding machines
and presses. These include:
➣ The valve now places an enable signal at the operator
’
s disposal.
If no enabled signal is available, the spool in the second stage
moves to a predefined position (hydraulic zero or end position)
depending on valve variant.
➣ The valve monitors supply voltage. If voltage on the updated
valve (18 V up to 32 V) should dr
op below 18 V, the end position
will be disconnected and the spool will move to its pr
edefined
position (fail-safe). It will be monitored as soon as it reaches this
position and will be confirmed by a logic output.
➣ The logic outputs ar
e shor
t cir
cuit pr
otected. Maximum continuous
voltage is 32 V with surge pulses up to 500 V and burst of 4 kV (per
EMC standar
d).
D660
Our quality management system
is certified in accordance with DIN
EN ISO 9001.
The valve series described in this
catalogue have successfully
passed EMC tests required by EC
Directive. Please refer to the
r
espective r
eferences in the
electr
onics section.
Valves available with explosion
pr
otection to EN 50018, class EEx
d LL C-C 2 H 2 T5.
Note: Installation dimensions and
electric connection altered.
Special data sheet on r
equest.
This catalogue is for users with technical knowledge.
To ensure that all necessary characteristics for
function and safety of the system are given, the user
has to check the suitability of the products described
herein. In case of doubt please contact Moog.
2 Moog • D660 Series
Fail-safe option
D660 valves ar
e available with either a
mechanical or electrically controlled fail-
safe option. Certain conditions must exist
for the fail-safe to work reliably. See the
type designation section for fail-safe on
page 20 for more information.
Flexible Design Elements Optimize the V
alve to
Your Application
The D660 Series Proportional Control Valves are of two-stage
or thr
ee-stage design. The spool motion of the main stage is
produced by either a single-stage or a two-stage pilot valve.
Two-stage proportional valves are mainly used when low
thr
eshold and good dynamic response with small signals are
required. The three-stage proportional valves are suitable for
good dynamic response with large signals.
By combining a fast first stage, a suitable spool drive ar
ea
and integrated electronics, an optimum proportional valve can
be offered.
Highest Flow Capability for High Velocity Applications
The D07 to D10 (NG 16 to NG 32) D660 Series valves offer the
highest flow per body size.
Reduced Spool Drive Ar
ea for Improved Dynamic Response
The D07 to D10 (NG 16 to NG 32) D660 Series valves are available
with a stub shaft spool for higher valve dynamic.
Fail-Safe Versions for User Defined Spool Position at
Loss of Power
Mechanical and electrically controlled fail-safe versions provide
defined safe spool position by a spring and/or a poppet valve,
and/or by external hydraulic supply cut off.
Impr
oved ServoJet
®
Pilot Stage Dynamics for
High Dynamic Valve Design
The high natural frequency of the ServoJet
®
pilot stage (500 Hz)
allows for higher overall valve dynamic.
Improved Frequency Response for
Superior Contr
ol System Performance
Improved frequency response of the ServoJet
®
pilot stage valve
allows high spool position loop gain. The high loop gain
pr
ovides excellent static and dynamic response, resulting in
superior control system performance.
High ServoJet
®
Pilot Stage Pressure Recovery for
Reliable Operation
The high-pressure recovery of the ServoJet
®
pilot stage (more
than 80% ∆P at 100% command signal) provides higher spool
driving forces and ensures enhanced spool position repeatability.
Improved Resistance to Contamination Reduces Down Time
The ServoJet
®
pilot stage valves have larger internal clearances
making it more tolerant to contamination. The pilot stage filter
has almost unlimited life due to an increased filter size (200 µm
nominal fineness).
D660
2-Stage Proportional Control Valve
New 24 V Electronics
ServoJet
®
Pilot Valve
XT A P B T
2
Y
Moog • D660 Series 3
Annular Area
Nozzle
Receiver
Jet Pipe
OPERATING PRINCIPLE OF THE MULTI-STAGE VALVE
D660
D661 Series, 2-stage proportional control valve
Fail-safe version F, opening A ➧ T
Hydraulic Symbol:
Symbol shown with pilot pressure and electric supply on and zero
command signal.
OPERA
TING PRINCIPLE OF THE SERVOJET PILOT STAGE
The Ser
voJet
®
pilot stage consists mainly of tor
que motor, jet
pipe and receiver. A current through the coil displaces the jet
pipe from its neutral position. This displacement combined with
the special shape of the nozzle, dir
ects a focused fluid jet from
both receivers towards one receiver.
The jet now pr
oduces a pressure difference in the control ports.
This pressure difference results in a pilot flow, which in turn
causes a spool displacement. The pilot stage drain is through the
annular ar
ea around the nozzle to tank.
X TA PB T
2
Y
D662 Series with pilot valve D630 Series
3-Stage Proportional Control Valve
Fail-safe version F, opening A ➧ T
TA P B Y X
Hydraulic symbol:
Symbol shown with pilot pressure and electric supply on and zero
command signal.
The position control loop for the main stage spool is closed by
the integrated electronics. An electrical command signal (flow
rate set point) is applied to the integrated position controller
which drives the valve coil. The position transducer (LVDT) which
is excited via an oscillator, measures the position of the main
spool (actual value, position voltage).
This signal is then demodulated and fed back to the controller
where it is compared with the command signal. The controller
drives the pilot valve until the error between command signal
and feedback signal is zero. Thus, the position of the main spool
is proportional to the electrical command signal.
4
Moog • D660 Series
PERFORMANCE SPECIFICA
TIONS FOR STANDARD MODELS
D661-D665
D665
D665
D664
D663
D662
D662
D661
D661
D661
3000
2000
1000
500
100
50
10
5
150 1000 3000 5000500
145 gpm [550 l/min]
92 gpm [350 l/min]
40 gpm [150 l/min]
21 gpm [80 l/min]
16 gpm [60 l/min]
8 gpm [30 l/min]
1000 gpm [3785 l/min]
685 gpm [2595 l/min]
375 gpm [1420 l/min]
238 gpm [900 l/min]
170 gpm [645 l/min]
100 gpm [375 l/min]
54 gpm [205 l/min]
40 gpm [150 l/min]
21 gpm [80 l/min]
66 gpm [250 l/min]
400 gpm [1500 l/min]
265 gpm [1000 l/min]
Flow Rate Q [gpm]
Rated Pressure Drop ∆p
N
= 150 psi
[10 bar]
Valve Pressure Drop ∆p [psi]
Valve Flow Diagram
Valve flow for maximum valve opening (100% command signal) as a
function of the valve pressure drop
Operating Pressure Range
Port P, A and B up to 5,000 psi [350 bar]
Port T see data of individual series
T
emperature Range
Ambient -4°F to +140°F [-20°C to +60°C]
Fluid -4°F to +176°F [-20°C to +80°C]
Seal Material NBR, FPM and others on request
Operating Fluid mineral oil based hydraulic fluid
(DIN 51524, part 1 to 3), other fluids
on request
Viscosity
Recommended 15 to 45 mm
2
/s
Allowable 5 to 400 mm
2
/s
System Filtration
Pilot stage or pilot valve: high pressure filter (without bypass, but
with dirt alarm) mounted in the main flow and if possible directly
upstream of the valve.
Main stage: high pressure filter as for the pilot stage. In
combination with a fast regulating VD-pump, a bypass filter is
possible.
Class of Cleanliness
The cleanliness of the hydraulic fluid greatly effects the
performance (spool positioning, high resolution) and wear
(metering edges, pressure gain, leakage) of the valve.
Recommended Cleanliness Class
For normal operation: ISO 4406 < 16/13
For longer life: ISO 4406 < 14/11
Filter Rating recommended
For normal operation: ß
15
≥
75 (15 µm absolute)
For longer life: ß
10
≥ 75 (10 µm absolute)
Installation Options any position, fixed or movable
V
ibration
30 g, 3 axes
Degr
ee of Pr
otection
EN60529 class IP 65, with mating
connector mounted
Shipping Plate Deliver
ed with an oil sealed shipping
plate under the mounting sur
face.
Moog • D660 Series
5
VALVE FLOW CALCULATIONS
A valve’s flow is dependent upon its electrical command signal
and valve pressure drop. The flow for a given valve pressure drop
can be calculated using the square root function for sharp edged
orifices as follows:
∆p
Q=Q
N
∆p
N
Q [gpm] = calculated flow
Q
N
[gpm] = rated flow
∆p [psi] = actual valve pressure drop
∆p
N
[psi] = rated valve pressure drop
If large flow rates with high valve pressure drop are required, an
appropriate higher pilot pressure has to be selected in order to
overcome the flow forces. An approximate value can be
calculated as follows:
Q
P
X
≥ 3.8 • 10
-2
•
—
• ∆p
A
K
Q [gpm] = max. flow
∆
p [psi]
= valve pr
essur
e dr
op with Q
A
K
[in
2
] = spool drive area
P
X
[psi] = pilot pressure
The pilot pressure p
X
has to be at least 215 psi above the return
pr
essur
e of the pilot stage.
D661-D665
6
Moog • D660 Series
GENERAL REQUIREMENTS FOR V
ALVE ELECTRONICS
➣ Supply 24 V
DC
, min. 18 V
DC
, max. 32 V
DC
. Current
consumption max. 300 mA
➣ All signal lines, also those of exter
nal transducers, shielded
➣ Shielding connected radially to ⊥ (0 V), power supply side
and connected to the mating connector housing (EMC)
➣ EMC: Meets the r
equirements of EN 55011:1998 class B,
EN 50082-2:1995, performance criteria class A
➣ Protective grounding lead ≥ .75 mm
2
[18 AWG]
➣ Note: When making electrical connections to the valve
(shield, protective grounding), appropriate measures must
be taken to ensure that locally different earth potentials do
not result in excessive ground currents.
D661-D665
V
ALVE ELECTRONICS WITH SUPPLY VOLTAGE 24 VOLT AND 6+PE POLE CONNECTOR
Moog • D660 Series 7
Command Signal
0 to
±10 mA Floating, Valves with Current Command Input
The spool stroke of the valve is proportional to I
D
= -I
E
. 100%
valve opening P
➧ A and B ➧ T is achieved at I
D
= +10 mA. At 0 mA
command the spool is in its center position. The input pins D and
E are inverting. Either pin D or E is used according to the
required operating direction. The other pin is connected to
signal gr
ound at cabinet side.
Command signal
0 to ±10 V Valves with Voltage Command Input
The spool stroke of the valve is proportional to (U
D
– U
E
). 100%
valve opening P
➧ A and B ➧ T is achieved at (U
D
– U
E
) = +10 V. At
0 V command the spool is in its center position. The input stage
is a differential amplifier. If only one command signal is
available, pin D or E is connected to signal ground at cabinet
side, according to the required operating direction.
Actual Value 4 to 20 mA
The actual spool position value can be measur
ed at pin F (see
diagram below). This signal can be used for monitoring and fault
detection purposes.
The spool str
oke range corresponds to 4 to 20 mA. The centered
position is at 12 mA. 20 mA corresponds to 100% valve opening
P
➧ A and B ➧ T.
The position signal output 4 to 20 mA allows to detect a cable
break when I
F
= 0 mA.
For failure detection purposes it is advised to connect pin F of
the mating connector and route this signal to the control cabinet.
CIRCUIT DIAGRAM
F
I
F
4 to 20
mA
R =
500 Ω
valve
side
Spool stroke range
U = 2 to 10 V
centered position at 6 V
F
U
F
Not for signal code D
Note: Enable input
With enable signal off, the main spool will move to a safe position.
a) Centered position (unbiased pilot valve function code A
1
)
b) End position (biased pilot valve function code B
1
)
1
) see type designation
CONNECTOR WIRING
A
B
C
D
E
F
PE
Cabinet Side
Mating
Connector
Connector
Valve
Wiring for valves with 6+PE pole connector to EN 175201 Part 804
2
), and mating
connector (type R and S, metal shell) with leading pr
otective ear
th connection .
Output Actual V
alue
spool position
Input Rated Command
(differential)
Input Command
I
D
=
-
I
E
: 0 to
±
10 mA
Input Command (Inver
ted)
I
E
=
-
I
D
: 0 to
±
10 mA
U
D-E
= 0 to ±10 V
R
e
= 10 k
Ω
I
e
= 1.2 mA at +24 V
DC
(see note above)
U
C-B
> 8.5 V
DC
U
C-B
< 6.5 V
DC
Enabled
Not Enabled
Supply/Signal Ground
⊥ (0 V)
Voltage CommandFunction Current Command
Supply
24 V
DC
(min. 18 V
DC
, max. 32 V
DC
) I
max
: 300 mA
I
F-B
: = 4 to 20 mA. At 12 mA spool is in center
ed position. R
L
=100 to 500
Ω
Signal code
D (see page 27): U
F-B
= 2 to 10 V
. At 6 V spool is in center
ed position. R
a
= 500
Ω
Pr
otective Earth
Input voltage for U
D-B
and U
E-B
for both signal types is limited to min. -15 V and max. 32 V
2
) formerly DIN 43563
(R
e
=500
Ω)
Circuit Diagram for Measurement of Actual I
F
(Position of Main Spool) for Valves with 6+PE Pole Connector
VALVE ELECTRONICS WITH SUPPLY VOLTAGE 24 VOLT AND 11+PE POLE CONNECTOR
6
I
6
4 to 20
mA
R =
500 Ω
valve
side
Spool stroke range
U = 2 to 10 V
centered position at 6 V
U
6
Not for signal code D
6
Note: Enable input
With enable signal off, the main spool will move to a safe position.
a) Centered position (unbiased pilot valve function code
E
1
)
b) End position (biased pilot valve function code
F
1
)
1
) see type designation
Command Signal
0 to ±10 mA Floating, Valves with Current Command Input
The spool stroke of the valve is proportional to I
4
= – I
5
. 100%
valve opening P
➧ A and B ➧ T is achieved at I
4
= + 10 mA. At 0
mA command the spool is in a defined centered position. The
input pins 4 and 5 are inverting. Either pin 4 or 5 is used
according to the required operating direction. The other pin is
connected to signal ground at cabinet side.
Command Signal
0 to ±10 V Valves with Voltage Command Input
The spool stroke of the valve is proportional to (U
4
– U
5
). 100%
valve opening P
➧ A and B ➧ T is achieved at (U
4
– U
5
) = +10 V. At
0 V command the spool is in a defined centered position. The
input stage is a differential amplifier. If only one command
signal is available, pin 4 or 5 is connected to signal ground at
cabinet side, according to the required operating direction.
Actual Value 4 to 20 mA
The actual spool position value can be measured at pin 6
(see diagram below). This signal can be used for monitoring
and fault detection purposes. The spool stroke range
corresponds to 4 to 20 mA. The centered position is at 12 mA. 20
mA corresponds to 100% valve opening P
➧ A and B ➧ T.
The position signal output 4 to 20 mA allows to detect a cable
break when I
6
= 0 mA.
For failure detection purposes, it is advised to connect pin 6 of
the mating connector and route this signal to the control cabinet.
D661-D665
8 Moog • D660 Series
Output Actual V
alue
Spool Position
Input Rated Command
(differential)
U
4-5
= 0 to ±10 V
R
e
= 10 kΩ
I
e
= 1.2 mA at +24 V
DC
(see note above)
U
3-2
> 8.5 V
DC
U
3-2
< 6.5 V
DC
Enabled
Not Enabled
Supply/Signal Gr
ound
⊥ (0 V)
Voltage CommandFunction Current Command
Supply
24 V
DC
(min. 18 V
DC
, max. 32 V
DC
) I
max
: 300 mA
Auxiliar
y Signal
V
alve Ready
Spool position U
7-2
= 13 to 3 V. At 8 V spool is
in center
ed position. R
a
= 5 k
Ω
Output I
max
: 20 mA
U
11-2
> 8.5 V
DC
: < 30%
U
11-2
< 6.5 V
DC
: > 30%
Cabinet Side
Valve
Input voltage for U
4-2
and U
5-2
for both signal types is limited to min. -15 V and max. 32 V
Input Command I
4
=-I
5
: 0 to ±10 mA
Input Command (Inverted) I
5
=-I
4
: 0 to ±10 mA
(R
e
=200 Ω)
Not Used
Position Error, Logic
Pr
otective Ear
th
Not Used
Output I
max
: 20 mA
U
8-2
> 8.5 V
DC
:Enable and supply ok
U
8-2
< 6.5 V
DC
:Not enabled or supply not ok
2
) formerly DIN 43651
CONNECTOR WIRING
Connector
Mating
Connector
1
2
3
4
5
6
PE
7
8
9
10
11
Wiring for valves with 11+PE pole connector to EN 175201 (Part 804
2
) and mating
connector (type E, metal shell) with leading protective earth connection .
CIRCUIT DIAGRAM
Circuit Diagram for Measurement of Actual I
6
(Position of Main Spool) for Valves with 11+PE Pole Connector
I
6-2
= 4 to 20 mA. At 12 mA spool is in centered position. R
L
= 100 to 500 Ω
Signal code
D (see page 27): U
6-2
= 2 to 10 V. At 6 V spool is in centered position. R
a
= 500 Ω
FAIL-SAFE VALVE ELECTRONICS WITH SUPPLY VOLTAGE 24 VOLT AND 11+PE POLE CONNECTOR
D661-D665
Moog • D660 Series 9
Cabinet Side
Mating
Connector
Valve
Note: Enable input
With enable signal off, the main spool will move to a safe position.
a) Centered position (unbiased pilot valve function code
G
1
)
b) End position (biased pilot valve function code
H
1
)
1
) see type designation
CONNECTOR WIRING
CIRCUIT DIAGRAM
Circuit Diagram for Measurement of Actual I6
(Position of Main Spool) for Valves with 11+PE Pole Connector
6
I
6
4 to 20
mA
R =
500 Ω
valve
side
Spool stroke range
U = 2 to 10 V
centered position at 6 V
U
6
Not for signal code D
6
Wiring for valves with 11+PE pole connector to EN 175201 (Part 804
2
) and mating
connector (type E, metal shell) with leading protective earth connection .
Connector
Output Actual Value
Spool Position
Input Rated Command
(differential)
U
4-5
= 0 to ±10 V
R
e
= 10 k
Ω
I
e
= 1.2 mA at +24 V
DC
(see note above)
U
3-2
> 8.5 V
DC
U
3-2
< 6.5 V
DC
Enabled
Not Enabled
Supply/Signal Ground
⊥ (0 V)
Voltage CommandFunction Current Command
Supply
24 V
DC
(min. 18 V
DC
, max. 32 V
DC
) I
max
: 300 mA
I
6-2
= 4 to 20 mA. At 12 mA spool is in centered position. R
L
= 100 to 500 Ω
Signal code
D (see page 27): U
6-2
= 2 to 10 V
. At 6 V spool is in centered position. R
a
= 500
Ω
Auxiliary Signal
Valve Ready
Spool position U
7-2
= 13 to 3 V. At 8 V spool is in centered position. R
a
= 5 kΩ
Output I
max
: 20 mA
U
11-2
> 8.5 V
DC
: safe position
U
11-2
< 6.5 V
DC
: no safe position
Input voltage for U
4-2
and U
5-2
for both signal types is limited to min. -15 V and max. 32 V
Input Command
I
4
=
-
I
5
: 0 to
±
10 mA
Input Command (Inverted) I
5
=-I
4
: 0 to ±10 mA
(R
e
= 200
Ω
)
Supply, 4/2-way
Solenoid Valve, Signal Ground
Safe Position, Logic
Pr
otective Earth
Supply, 4/2-way
Solenoid Valve
Output I
max
: 20 mA
U
8-2
> 8.5 V
DC
:Enable and supply ok
U
8-2
< 6.5 V
DC
:Not enabled or supply not ok
2
) formerly DIN 43651
24 V
DC
(min. 22.8 V
DC
, max. 26.4 V
DC
)
⊥ (0 V)
Command Signal
0 to ±10 V Valves with Voltage Command Input
The spool stroke of the valve is proportional to I
4
= – I
5
. 100%
valve opening P
➧ A and B ➧ T is achieved at I
4
= 10 mA. At 0 mA
command the spool is in a defined centered position. The input
pins 4 and 5 are inverting. Either pin 4 or 5 is used according to
the required operating direction. The other pin is connected to
signal ground at cabinet side.
Command Signal
0 to ±10 V Valves with Voltage Command Input
The spool stroke of the valve is proportional to (U
4
– U
5
). 100%
valve opening P
➧ A and B ➧ T is achieved at (U
4
– U
5
) = +10 V. At
0 V command the spool is in a defined centered position. The
input stage is a differential amplifier. If only one command
signal is available, pin 4 or 5 is connected to signal ground at
cabinet side, according to the required operating direction.
Actual Value 4 to 20 mA
The actual spool position value can be measured at pin 6
(see diagram below). This signal can be used for monitoring
and fault detection purposes. The spool stroke range cor-
responds to 4 to 20 mA. The centered position is at 12 mA. 20
mA corresponds to 100% valve opening P
➧ A and B ➧ T.
The position signal output 4 to 20 mA allows to detect a cable
break when I
6
= 0 mA.
For failure detection purposes, it is advised to connect pin 6 of
the mating connector and route this signal to the control cabinet.
* measured at 3,000 psi [210 bar] pilot or operating pressure, respectively, fluid viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
D661
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
10 Moog • D660 Series
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Phase Lag [degrees]
5 10 20 30 50 70
100
Frequency [Hz]
200
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
Frequency Response
D661 -. . . . .P/B. . . .A
Step Response
Spool version A: ~critical lap, linear characteristic (80)
Spool version D: 10% overlap, linear characteristic
Spool version Y: ~critical lap, curvilinear characteristic (80)
T
ypical characteristic curves
measur
ed at 3,000 psi [210 bar] pilot or operating
pr
essur
e, fluid viscosity of 32 mm
2
/s and fluid temperatur
e of 104
°
F [40
°C]
fail-safe position "M" if p
x
≤ 15 psi
[1 bar], only with X and Y external
10025 50 75
0 10 20 30 40
0
2,000 psi [140 bar]
1,000 psi [70 bar]
Time [ms]
Spool Stroke [%]
50
3,000 psi [210 bar]
10025 50 75
0 10 20 30 40
50
0
3,000 psi [210 bar]
2,000 psi [140 bar]
1,000 psi [70 bar]
Time [ms]
Spool Stroke [%]
D661 -. . . . .P/B. . . .B
optional:
X and Y external
English [Metric] D661 -. . . . .P. . . .A D661 -. . . . .P. . . .B
Mounting Pattern ISO with additional 2nd T port ISO 4401 - 05 - 05 - 0 - 94 ISO 4401 - 05 - 05 - 0 - 94
Valve Body Version 4-way, 2 x 2-way and 5-way 4-way, 2 x 2-way and 5-way
2-stage, standard spool 2-stage, standard spool
Pilot Stage ServoJet
®
Standard High flow
Pilot Connection selectable, internal or external X and Y X and Y
Mass lb [kg] 12.3 [5.6] 12.3 [5.6]
Rated Flow (±10%) at ∆p
N
= 75 psi per land gpm [l/min] 8 [30] / 16 [60] / 21[80] / 2 x 21[80] 8 [30] / 16 [60] / 21[80] / 2 x 21[80]
Operating Pressure max.
Main Stage: port P, A, B psi [bar] 5,000 [350] 5,000 [350]
port T with Y internal psi [bar] 3,000 [210] 3,000 [210]
port T with Y external psi [bar] 5,000 [350] 5,000 [350]
Pilot Stage: regular version psi [bar] 4,000 [280] 4,000 [280]
with dropping orifice (on request) psi [bar] 5,000 [350] 5,000 [350]
Response Time* for 0 to 100% stroke [ms] 28.0 18.0
Thr
eshold* [%] < 0.05 < 0.05
Hysteresis* [%] < 0.30 < 0.30
Null Shift with ∆T = 55 K [%] < 1.0 < 1.0
Null Leakage Flow* max. (~ critical lap) gpm [l/min] 0.92 [3.5] 1.2 [4.4]
Pilot Leakage Flow* gpm [l/min] 0.45 [1.7] 0.69 [2.6]
Pilot Flow* for 100% step input gpm [l/min] 0.45 [1.7] 0.69 [2.6]
Main Spool Stroke in [mm] ±0.12 [3.0] ±0.12 [3.0]
Spool Drive Area in
2
[cm
2
] 0.31 [2.0] 0.31 [2.0]
Flow vs. Signal Curve
at ∆pN = 75 psi [5 bar] per land
with
With Q
N
> 16 gpm
[60 l/min]
a non standard
2
n
d
return port T2
is required
5.3 10.6
15.9 21.1
21
168
Q
[gpm]
N
20 40 60 80 100
Signal [%]
0
Flow Rate [gpm]
26.4
optional:
Y external
optional:
X and Y external
4-way version
(2nd T port required with
Q
N
> 16 gpm [60 l/min])
4-way version
spring centered (2nd T port required
with Q
N
> 16 gpm [60 l/min])
2 x 2-way version
5-way version
2
.83(72)
2.95(75)
.79(20)
2.55(65)
3.15(80)
6.26(159)
3.11(79)
10.2(258)
1.85(47)
.26(6.5)
1
.65(42)
.43(11)
.45(11.5)
.62 (15.7)
M4
.73(18.7)
.51(1.3)
8.7(221)
.42 (10.6)
3.9 (100)
.39 (9.9)
.75 (19)
2.54 (64.6)
2.95 (75)
4.9(125)
.79(20)
.91(23)
.51(13)
F
ilter
E
lectrical null
a
djust (behind
s
crew plug)
Set screw 4
(M4 x 6)
Set screw 2
(M4 x 6)
Set screw 3
(M4 x 6)
Set screw 1
(M4 x 6)
Mating connector
Head room for
disconnecting
End cap for spring centering
O-ring counterbore diameter
on valve body
Fail-safe M Fail-safe F
2
.32(59)
9.37(238)
only with
5-way version
PA B T T
2
XYF
1
F
2
F
3
F
4
Ø0.45 [11.5] Ø0.45 [11.5] Ø0.45 [11.5] Ø0.45 [11.5] Ø0.45 [11.5] Ø0.25 [6.3] Ø0.25[6.3] M6 M6 M6 M6
x 1.06 [27.0] 0.66 [16.7] 1.47 [37.3] 0.13 [3.2] 2.0 [50.8] -0.31 [-8.0] 2.44 [62.0] 0 2.13 [54.0] 2.13 [54.0] 0
y 0.25 [6.3] 0.84 [21.4] 0.84 [21.4] 1.28 [32.5] 1.28 [32.5] 0.43 [11.0] 0.43 [11.0] 0 0 1.81 [46.0] 1.81 [46.0]
The mounting manifold must confor
m to ISO 4401-05-05-0-94.
Attention: Note O-ring counterbore diameter of X and Y ports. For valves in 4/3-way
version with Q
N
> 16 gpm [60 l/min] and in 2 x 2-way version the non standard 2nd
return port T
2
must be used.
For maximum flow, the manifold ports P, T, A and B require to have
Ø 0.45 in [Ø 11.5 mm] (deviation from standard). Mounting surface needs to be flat
within .001 in [0.02 mm]. Average surface finish value, Ra, better than
32
.
D661
Moog • D660 Series 11
CONVERSION INSTRUCTION
Pilot Flow Set Screw M4 x 6 Pilot Flow Set Screw M4 x 6
Supply
bore
1 bor
e
2 Retur
n bore
3 bor
e
4
Internal P closed open Internal T closed open
Exter
nal X
open closed External Y open closed
For main stage operation
with internal or external
pilot connection.
SPARE PARTS AND ACCESSORIES
O-rings (included in delivery) NBR 85 Shore FPM 85 Shore
for P, T, T
2
, A, B 5 pieces ID 0.49 [12.4] x Ø 0.07 [1.8] 45122-004 42082-004
for X, Y 2 pieces ID 0.61 [15.6] x Ø 0.07 [1.8] 45122-011 42082-011
Mating connector, waterproof IP65 (not included in delivery) for cable diameter
6+PE pole B97007-061 EN 175201 Part 804 min. Ø 0.39 [10.0], max. Ø 0.47 [12.0]
11+PE pole
B97067-111
EN 175201 Part 804 min. Ø 0.43 [11.0], max. Ø 0.51 [13.0]
Flushing plates
for P
, A, B, T
, T
2
, X, Y
for P
, T
, T
2
, X, Y
for P
, T
, T
2
, and X, Y
B67728-001 B67728-002 B67728-003
Mounting manifolds see special data sheet
Mounting bolts (not included in deliver
y)
r
equir
ed torque required
M6 x 60 DIN EN ISO 4762-10.9 A03665-060-060 115 in-lb [13.0 Nm] 4 pieces
Replaceable filter
A67999-200
200
µ
m nominal
O-rings for filter change HNBR 85 Shore NBR 85 Shore FPM 85 Shore
filter 1 piece ID 0.51 [12.0] x Ø 0.59 [2.0] ––– 66117-012-020 A25163-012-020
filter cover
1 piece ID 0.67 [17.1] x Ø 0.78 [2.6] B97009-080 ––– –––
INSTALLATION DIAGRAM
V
iew of bottom of valve
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
D662
PERFORMANCE SPECIFICA
TIONS FOR STANDARD MODELS
12 Moog • D660 Series
English [Metric] D662 -. . . . .D. . . .A D662 -. . . . .D. . . .B D662 -. . . . .P. . . .M
Mounting Pattern ISO 4401 - 07 - 06 - 0 - 94 ISO 4401 - 07 - 06 - 0 - 94 ISO 4401 - 07 - 06 - 0 - 94
Valve Body Version 4-way, 2 x 2-way 4-way, 2 x 2-way 4-way, 2 x 2-way
2-stage, stub shaft spool 2-stage, stub shaft spool 3-stage, standard spool
Pilot Stage
D061 Series ServoJet, 1-stage D061 Series ServoJet, 1-stage D630 Series, 2-stage
Pilot Connection selectable, internal or external X and Y X and Y X and Y
Mass lb[kg] 24 [11] 25 [11.5] 25 [11.5]
Rated Flow
(±10%) at ∆p
N
= 75 psi per land
gpm [l/min] 39.6 [150] / 66.1 [ 250] 39.6 [150] / 66.1 [250] 39.6 [150] / 66.1 [250]
Operating Pressure max.
Main Stage: port P, A, B psi [bar] 5,000[350] 5,000[350] 5,000[350]
port T with Y internal psi [bar] 2,000[140] 2,000[140] 3,000[210]
port T with Y external psi [bar] 5,000[350] 5,000[350] 5,000[350]
Pilot Stage: regular version psi [bar] 4,000[280] 4,000[280] 4,000[280]
with dropping orifice (on request) psi [bar] 5,000[350] 5,000[350] —
port T psi [bar] 2,000[140] 2,000[140] 3,000[210]
Response Time* for 0 to 100% stroke [ms] 44.0 28.0 9.0
Threshold* [%] < 0.10 < 0.10 < 0.20
Hysteresis* [%] < 0.50 < 0.50 < 1.0
Null Shift with ∆T = 55 K [%] < 1.0 < 1.0 < 1.5
Null Leakage Flow* max. (~ critical lap) gpm [l/min] 1.1 [4.2] 1.3 [5.1] 1.2 [4.5]
Pilot Leakage Flow* gpm [l/min] 0.45 [1.7] 0.69 [2.6] 0.53 [2.0]
Pilot Flow* for 100% step input gpm [l/min] 0.45 [1.7] 0.69 [2.6] 5.3 [20.0]
Main Spool Stroke in [mm]
±0.2 [5.0] ±0.2 [5.0] ±0.2 [5.0]
Spool Drive Area in
2
[cm
2
] 0.31 [2.0] 0.31 [2.0] 0.77 [5.0]
* measured at 3,000 psi [210 bar] pilot or operating pressure, respectively, fluid viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
optional:
X and Y external
optional:
X and Y external
fail-safe position "M"
if p
X
≤ 15 psi,
only with X and Y external
optional:
X external
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
200
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
D662 -. . . . .D. . . .B
Step Response
A: ~critical lap, linear
D: 10% overlap, linear
Y
: ~critical lap, curvilinear
Typical characteristic curves
measured
at 3,000 psi [210 bar] pilot or operating
pr
essur
e, fluid viscosity of 32 mm
2
/s and
fluid temperatur
e of 104
°
F [40
°
C]
Flow vs. Signal Curve
at ∆p
N
= 75 psi [5 bar] per land
Frequency Response
Q [gpm]
N
20
40 60 80 100
Signal [%]
40
66
0
Flow Rate [gpm]
40
6020
100
25
50
75
0
5 10 15 20 25
0
3,000 psi [210 bar]
Time [ms]
Spool Stroke [%]
1,000 psi [70 bar]
100
25
50
75
0
20 40 60 80 100
0
3,000 psi [210 bar]
Time [ms]
Spool Stroke [%]
1,000 psi [70 bar]
D662 -. . . . .P
. . . .M
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6
-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
D662 -. . . . .D. . . .A
Step Response
Frequency Response
10025 50 75
0 20 40 60 80 100
0
3,000 psi [210 bar]
1,000 psi [70 bar]
Time [ms]
Spool Stroke [%]
4-way version
4-way version
spring centered
2 x 2-way version
4-way version
3-stage valve
6.06(154)
.43(11)
12.5(317)
.79(20)
1.04(26.5)
.
28(7)
.55(13.9)
.05(1.3)
.26(6.6)
.
43(11)
1.75(44.5)
.08(2)
.20(5)
.12(3)
1.81(46)
3.75(95)
.79(20)
2.00(51)
4.21(107)
7.50(190)
.71(18)
Filter
7.13(181) from manifold
Electrical null adjust
(
behind screw plug)
S
et screw 1
(
1/16 NPTF)
Set screw 2
(
M6 x 6)
F
ilter at
rear side
P
ilot valve
D630
P
ilot valve D061-8
Mating connector
Headroom for
disconnecting
4.92(125) .79(20)
3.86(98)
.
47(12)
.55(14)
4.92(125)
For main stage operation
with internal or external
pilot connection.
INSTALLATION DIAGRAM
D662
Moog • D660 Series 13
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
The mounting manifold must conform to ISO 4401-07-06-0-94.
For maximum flow
, the manifold ports P, T, A and B require to have
Ø 0.78 in [Ø 20.0 mm] (deviation from standard).
Mounting surface needs to be flat within 0.001 in [0.02 mm].
Average surface finish value, Ra, better than
32
.
Pilot Flow Set Screw bore 1 Pilot Flow Set Screw bore 2
Supply
(1/16 NPTF)
Return (M6 x 6)
Inter
nal P
open
Internal T open
External X closed External Y closed
O-rings (included in delivery) NBR 85 Shore FPM 85 Shore
for P, T, A, B 4 pieces ID 0.86 [21.9] x Ø 0.103 [2.6] 45122-129 42082-129
for X, Y
2 pieces ID 0.43 [10.8] x Ø 0.07 [1.8]
45122-022
42082-022
Mating connector, waterproof IP65 (not included in delivery) for cable diameter
6+PE pole B97007-061 EN 175201 Part 804 min. Ø 0.39 [10.0], max. Ø 0.47 [12.0]
11+PE pole
B97067-111
EN 175201 Par
t 804
min. Ø 0.43 [11.0], max. Ø 0.51 [13.0]
Flushing plates 76741
Mounting manifold B46891-001
Mounting bolts (not included in delivery) required torque required
M10 x 60 DIN EN ISO 4762-10.9 A03665-100-060 575 in-lb [65.0 Nm] 4 pieces
M6 x 55 DIN EN ISO 4762-10.9 A03665-060-055 115 in-lb [13.0 Nm] 2 pieces
Replaceable filter
for pilot valve D061-8 A67999-200 200 µm nominal
for pilot valve D630 A67999-065 65 µm nominal
O-rings for filter change
HNBR 85 Shor
e
NBR 85 Shor
e
FPM 85 Shore
D061-8: before filter 1 piece ID 0.55 [14.0] x Ø 0.039 [1.0] A67008-014-010 ––– –––
behind filter 1 piece ID 0.51 [13.0] x Ø 0.059 [1.5] A67008-013-015 ––– –––
D630: before and behind 2 piece ID 0.51 [13.0] x Ø 0.059 [1.5] ––– 66117-013-015 A25163-013-015
PATBXYG
1
G
2
F
1
F
2
F
3
F
4
F
5
F
6
Ø0.79 [Ø20] Ø0.79 [Ø20] Ø0.79 [Ø20] Ø0.79 [Ø20] Ø0.25 [6.3] Ø0.25 [6.3] Ø0.16 [4.0] Ø0.16 [4.0] M10 M10 M10 M10 M6 M6
X 1.97 [50.0] 1.34 [34.1] 0.72 [18.3] 2.59 [65.9] 3.02 [76.6] 3.47 [88.1] 3.02 [76.6] 0.72 [18.3] 0
4.0 [101.6] 4.0 [101.6]
0
1.34 [34.1] 1.97 [50.0]
y 0.56 [14.3] 2.19 [55.6] 0.56 [14.3] 2.19 [55.6] 0.63 [15.9] 2.25 [57.2] 0 2.75 [69.9] 0 0
2.75[69.9] 2.75 [69.9] -0.06 [-1.6] 2.81 [71.5]
View of bottom of valve
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
D663
PERFORMANCE SPECIFICA
TIONS FOR STANDARD MODELS
14 Moog • D660 Series
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
200
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
D663 - . . . . . L . . . . B
Step Response
Spool version A: ~critical lap, linear characteristic
Spool version D: 10% overlap, linear characteristic
Spool version Y
: ~critical lap, curvilinear characteristic
Typical characteristic curves measured at 3,000 psi [210 bar] pilot or operating
pressure, fluid viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
Flow vs. Signal Curve
at ∆pN = 75 psi per land [5 bar]
optional:
X and Y external
4-way version
Q [gpm]
N
20 40 60 80 100
Signal [%]
A
Y
D
25
50 75
92.5
100
0
Flow Rate [gpm]
English [Metric] D663 -. . . . .L. . . .B D663 -. . . . .P. . . .M
Mounting Pattern ISO 4401 - 08 - 07 - 0 - 94 ISO 4401 - 08 - 07 - 0 - 94
Valve Body Version 4-way, 2 x 2-way 4-way, 2 x 2-way
2-stage, stub shaft spool 3-stage,standard spool
Pilot Stage D061 Series ServoJet, 1-stage D630 Series, 2-stage
Pilot Connection selectable, internal or external X and Y X and Y
Mass lb [kg] 41.9 [19.0] 43.0 [19.5]
Rated Flow (±10%) at ∆p
N
= 75 psi per land gpm [l/min] 92.5 [350] 92.5 [350]
Operating Pressure max.
Main Stage: port P, A, B psi [bar] 5,000 [350] 5,000 [350]
port T with Y internal psi [bar] 2,000 [140] 3,000 [210]
port T with Y external psi [bar] 5,000 [350] 5,000 [350]
Pilot Stage: regular version psi [bar] 4,000 [280] 4,000 [280]
with dropping orifice (on request) psi [bar] 5,000 [350] —
port T psi [bar] 2,000 [140] 3,000 [210]
Response Time* for 0 to 100% stroke [ms] 37.0 13.0
Threshold* [%] < 0.1 < 0.2
Hysteresis* [%] < 0.5 < 1.0
Null Shift with ∆T = 55 K [%] < 1.0 < 1.5
Null Leakage Flow* max. (~ critical lap) gpm [l/min] 1.5 [5.6] 1.3 [5.0]
Pilot Leakage Flow* gpm [l/min] 0.69 [2.6] 0.53 [2.0]
Pilot Flow* for 100% step input gpm [l/min] 0.69 [2.6] 7.9 [30.0]
Main Spool Stroke in [mm] 0.20 [±5.0] 0.20 [±5.0]
Spool Drive Area in
2
[cm
2
] 0.43 [2.8] 1.77 [11.4]
optional:
X external
optional:
X and Y external
D663 - . . . . . P . . . . M
Frequency Response
* measured at 3,000 psi [210 bar] pilot or operating pressure, respectively, fluid viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
10025 50 75
0 10 20 30 40 50
0
1,000 psi [70 bar]
2,000 psi [140
bar]
3,000 [210 bar]
Time [ms]
Spool Stroke [%]
4-way version
4-way version
spring centered
2 x 2-way version
4-way version
3-stage valve
10025 50 75
0 20 40 60 80 100
0
3,000 psi [210 bar]
1,000 psi [70 bar]
Time [ms]
Spool Stroke [%]
fail-safe position "M"
if p
X
≤ 1 bar,
only with X and Y external
The mounting manifold must confor
m to ISO 4401-08-07-0-94.
For maximum flow, the manifold por
ts P, T, A and B require to have
Ø 1.10 in [Ø 28.0 mm] (deviation from standard).
Mounting surface needs to be flat within 0.001 in [0.02 mm].
Average surface finish value, Ra, better than
32
.
PAT B X Y G
1
G
2
F
1
F
2
F
3
F
4
F
5
F
6
Ø1.1 [28.0] Ø1.1 [28.0] Ø1.1 [28.0] Ø1.1 [28.0] Ø0.44 [11.2] Ø0.44 [11.2] Ø0.30 [7.5] Ø.30 [7.5] M12 M12 M12 M12 M12 M12
x 3.03 [77.0] 2.09 [53.2] 1.16 [29.4] 3.98 [100.8] 0.69 [17.5] 4.45 [112.7] 3.72 [94.5] 1.16 [29.4] 0 5.12 [130.2] 5.12 [130.2] 0 2.09 [53.2] 3.03 [77.0]
y 0.69 [17.5] 2.94 [74.6] 0.69 [17.5] 2.94 [74.6] 2.87 [73.0] 0.75 [19.0] -0.19 [-4.8] 3.63 [92.1] 0 0 3.63 [92.1] 3.63 [92.1] 0 3.63 [92.1]
INST
ALLATION DIAGRAM
D663
Moog • D660 Series 15
53(13.5)
.79(20)
6
.2(157)
1
5.2(385)
2.2(57)
.08(2)
1
.26(32)
1.54(39)
.25(6.3)
.
98(25)
5.1(130)
2.3(58)
8.4(213)
2.5(63)
.
32(8)
4.7(120)
.
79(20)
.23(6)
.47(12)
.63(16)
6
.1(154)
4.9(124)
Electrical null adjust
(behind screw plug)
Set screw 2
(M6 x 6)
Set screw 1
(1/16 NPTF)
8.0(204) to manifold
Filter at side
Filter
Pilot valve
D630
Pilot valve D061-8
Mating connector
Headroom for
disconnecting
4.9(125)
.
79(20)
Pilot Flow Set Screw bore 1 Pilot Flow Set Screw bore 2
Supply (1/16 NPTF) Return (M6 x 6)
Inter
nal P
open
Internal T open
External X closed External Y closed
For main stage operation
with inter
nal or exter
nal
pilot connection.
O-rings (included in delivery) NBR 85 Shore FPM 85 Shore
for P
, T
, A, B
4 pieces ID 1.36 [34.6] x Ø 0.10 [2.6]
45122-113
42082-113
for X, Y
2 pieces ID 0.80 [20.3] x Ø 0.10 [2.6]
45122-195
42082-195
Mating connector, waterproof IP65 (not included in delivery) for cable diameter
6+PE pole B97007-061 EN 175201 Part 804 min. Ø 0.39 [10.0], max. Ø 0.47 [12.0]
11+PE pole B97067-111 EN 175201 Part 804 min. Ø 0.43 in, max. Ø 0.51 [13.0]
Flushing plate 76047
Mounting manifold
A25855-009
Mounting bolts (not included in delivery) required torque required
M12 x 75 EN ISO 4762-10.9 A03665-120-075 970 in-lb [110 Nm] 6 pieces
Replaceable filter
for pilot valve D061-8
A67999-200
200 µm nominal
for pilot valve D630 A67999-065 65 µm nominal
O-rings for filter change HNBR 85 Shore NBR 85 Shore FPM 85 Shore
D061-8: before filter 1 piece ID 0.55 [14.0] x Ø 0.04 [1.0] A67008-014-010 ––– –––
behind filter 1 piece ID 0.51 [13.0] x Ø 0.06 [1.5] A67008-013-015 ––– –––
D630: filter before and behind 2 piece ID 0.51 [13.0] x Ø 0.06 [1.5] ––– 66117-013-015 A25163-013-015
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
View of bottom of valve
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
D664
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
16 Moog • D660 Series
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
200
5 10 20 30 50 70
100
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
10%
25%
90%
Amplitude Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
Flow vs. Signal Curve
at ∆p
N
= 75 psi [5 bar] per land
D664 - . . . . . L . . . . B
Step Response
Frequency Response
Spool version A: ~critical lap, linear characteristic
Spool version D: 10% overlap, linear characteristic
Spool version Y: ~critical lap, curvilinear characteristic
Typical characteristic curves measured at 3,000 psi [210 bar] pilot or operating
pressure, fluid viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
optional:
X and Y external
optional:
X and Y external
fail-safe position "M" if p
X
≤ 14 psi,
only with X and Y external
10025 50 75
20 40 60 80 100
0
3,000 psi [210 bar]
1,000 psi [70 bar]
Time [ms]
Spool Stroke [%]
0
2,000 psi [140 bar]
100
25
50
75
0
10 20 30 40 50
0
3,000 psi [210 bar]
Time [ms]
Spool Stroke [%]
1,000 psi [70 bar]
English [Metric] D664 -. . . . .L. . . .B D664 -. . . . .P. . . .M
Mounting Pattern ISO 4401 - 08 - 07 - 0 - 94 ISO 4401 - 08 - 07 - 0 - 94
Valve Body Version 4-way, 2 x 2-way 4-way, 2 x 2-way
2-stage, stub shaft spool 3-stage, standard spool
Pilot Stage D061 Series ServoJet, 1-stage D630 Series, 2-stage
Pilot Connection selectable, internal or external X and Y X and Y
Mass lb [kg] 41.9 [19.0] 43.0 [19.5]
Rated Flow (±10%) at ∆pN = 75 psi per land gpm [l/min] 145 [550] 145 [550]
Operating Pressure max.
Main Stage: port P, A, B psi [bar] 5,000 [350] 5,000 [350]
port T with Y internal psi [bar] 2,000 [140] 3,000 [210]
port T with Y external psi [bar] 5,000 [350] 5,000 [350]
Pilot Stage: regular version psi [bar] 3,000 [280] 4,000 [280]
with dropping orifice (on request) psi [bar] 5,000 [350] —
port T psi [bar] 2,000 [140] 3,000 [210]
Response Time* for 0 to 100% stroke [ms] 48.0 17.0
Threshold* [%] < 0.10 < 0.20
Hysteresis* [%] < 0.50 < 1.0
Null Shift with ∆T = 55 K [%] < 1.0 < 1.5
Null Leakage Flow* max. (~ critical lap) gpm [l/min] 1.5 [5.6] 1.3 [5.0]
Pilot Leakage Flow* gpm [l/min] 0.69 [2.6] 0.53 [2.0]
Pilot Flow* for 100% step input gpm [l/min] 0.69 [2.6] 7.9 [30.0]
Main Spool Stroke in [mm] ±0.24 [±6.0] ±0.24 [±6.0]
Spool Drive Area in
2
[cm
2
] 0.43 [2.8] 1.77 [11.4]
Q [gpm]
N
20 40 60 80 100
Signal [%]
A
Y
D
26
53
79
137
106
0
Flow Rate [gpm]
132
159
153
optional:
X external
D664 - . . . . . P . . . . M
* measured at 3,000 psi [210 bar] pilot or operating pressure, respectively, fluid viscosity of 32 mm2/s and fluid temperature of 104°F [40°C]
4-way version
4-way version
spring centered
2 x 2-way version
4-way version
3-stage valve
PAT BXYG
1
G
2
F
1
F
2
F
3
F
4
F
5
F
6
Ø1.26 [32.0] Ø1.26 [32.0] Ø1.26 [32.0] Ø1.26 [32.0] Ø0.44 [11.2] Ø0.44 [11.2] Ø0.30 [7.5] Ø0.30 [7.5] M12 M12 M12 M12 M12 M12
x 3.03 [77.0] 2.09 [53.2] 1.16 [29.4] 3.97 [100.8] 0.69 [17.5] 4.45 [112.7] 3.72 [94.5] 1.16 [29.4] 0 5.13 [130.2] 5.13 [130.2] 0 2.09 [53.2] 3.03 [77.0]
y 0.69 [17.5] 2.94 [74.6] 0.69 [17.5] 2.94 [74.6] 2.87 [73.0] 0.75 [19.0] -0.19 [-4.8] 3.63 [92.1] 0 0 3.63 [92.1] 3.63 [92.1] 0 3.63 [92.1]
D664
53(13.5)
.79(20)
6.2(157)
15.2(385)
2.2(57)
.08(2)
1
.26(32)
1.54(39)
.
25(6.3)
.
98(25)
5.1(130)
2.3(58)
8.4(213)
2.5(63)
.
32(8)
4
.7(120)
.79(20)
.23(6)
.
47(12)
.63(16)
6.1(154)
4.9(124)
Electrical null adjust
(behind screw plug)
Set screw 2
(M6 x 6)
Set screw 1
(1/16 NPTF)
8.0(204) to manifold
Filter at side
Filter
Pilot valve
D630
Pilot valve D061-8
Mating connector
Headroom for
disconnecting
4.9(125)
.
79(20)
The mounting manifold must confor
m to ISO 4401-08-07-0-94.
For maximum flow, the manifold ports P, T, A and B require to have
Ø 1.25 in [Ø 32.0 mm] (deviation from standard).
Mounting surface needs to be flat within .001 in [0.02 mm].
Average surface finish value, Ra, better than
32
.
O-rings (included in delivery) NBR 85 Shore FPM 85 Shore
for P, T, A, B 4 pieces ID 1.36 [34.6] x Ø 0.10 [2.6] 45122-113 42082-113
for X, Y 2 pieces ID 0.80 [20.3] x Ø 0.10 [2.6] 45122-195 42082-195
Mating connector
, waterproof IP65 (not included in delivery) for cable diameter
6+PE pole B97007-061 EN 175201 Part 804 min. Ø 0.39 [10.0], max. Ø 0.47 [12.0]
11+PE pole B97067-111 EN 175201 Part 804 min. Ø 0.43 [11.0], max. Ø 0.51 [13.0]
Flushing plate
76047
Mounting manifold
A25855-009
Mounting bolts (not included in deliver
y) required torque required
M12 x 75 DIN EN ISO 4762-10.9 A03665-120 075 970 in-lb [110 Nm] 6 pieces
Replaceable filter
for pilot valve D061-8 A67999-200 200 µm nominal
for pilot valve D630 A67999-065 65 µm nominal
O-rings for filter change HNBR 85 Shore NBR 85 Shore FPM 85 Shore
D061-8: before filter 1 piece ID 0.55 [14.0] x Ø 0.04 [1.0] A67008-014-010 ––– –––
behind filter
1 piece ID 0.51 [13.0] x Ø 0.06 [1.5]
A67008-013-015
–––
–––
D630:
filter before and behind 2 piece ID 0.51 [13.0] x Ø 0.06 [1.5] ––– 66117-013-015 A25163-013-015
INST
ALLATION DIAGRAM
SPARE PARTS AND ACCESSORIES
CONVERSION INSTRUCTION
Moog • D660 Series 17
Pilot Flow Set Screw bore 1 Pilot Flow Set Screw bore 2
Supply (1/16 NPTF) Return (M6 x 6)
Internal P open Internal T open
External X closed External Y closed
For main stage operation
with internal or external
pilot connection.
View of bottom of valve
PERFORMANCE SPECIFICATIONS FOR STANDARD MODELS
D665
PERFORMANCE SPECIFICA
TIONS FOR STANDARD MODELS
18 Moog • D660 Series
D665 - . . . . . P15 . . . . H
Step Response
Frequency Response
Spool version A: ~critical lap, linear characteristic
Spool version D: 10 % overlap, linear characteristic
Spool version Y
:
~critical lap,cur
vilinear characteristic
Spool version V: 20 % overlap, curvilinear characteristic
* measur
ed at 3,000 psi [210 bar] pilot or operating pr
essur
e, r
espectively
, fluid
viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
Flow vs. Signal Curve
at ∆pN = 75 psi [5 bar] per land
optional:
Y external
optional:
X external
optional:
X and Y external
10025 50 75
0 20 40 60 80 100
3,000 psi [210 bar]
2,000 psi [140 bar]
1,000 psi [70 bar]
0
Time [ms]
Spool Stroke [%]
10025 50 75
0 5 10 15 20 25
0
3,000 psi [210 bar]
2,0
0
0
psi [1
4
0 bar]
1,000 psi [70 bar]
Time [ms]
Spool Stroke [%]
English [Metric] D665 -. . . . .P. . . .H D665 -. . . . .K. . . .L
Mounting Pattern ISO 4401 - 10 - 08 - 0 - 94 ISO 4401 - 10 - 08 - 0 - 94
Valve Body Version 4-way, 2 x 2-way 4-way, 2 x 2-way
3-stage, standard spool 3-stage, stub shaft spool
Pilot Stage D631 Series, 2-stage D661 Series ServoJet, 2-stage
Pilot Connection selectable internal or external optional X and Y X and Y required
Mass lb [kg] 154 [70.0] 162 [73.5]
Rated Flow (±10%) at ∆pN = 75 psi per land gpm [l/min] 265 [1000] 400 [1500] 265[1000] 400[1500]
Operating Pressure max.
Main Stage: ports P with X external, A, B psi [bar] 5000 [350] 5000 [350]
port T with Y internal psi [bar] 1400 [100] 1400 [100]
port T with Y external psi [bar] 5000 [350] 5000 [350]
Pilot Stage: regular version, ports P, A and B psi [bar] 3000 [210] 3000 [210]
with dropping orifice (on request) psi [bar] 4000 [280] 5000 [350]
port T psi [bar] 2,000 [140] 2,000 [140] 3,000 [210]
Response Time* for 0 to 100% stroke [ms] 30.0 35.0 10.0 12.0
Threshold* [%] < 0.30 < 0.20 < 0.30 < 0.20
Hysteresis* [%] < 1.0 < 0.70 < 1.0 < 0.70
Null Shift with ∆T = 55 K [%] < 2.0 < 1.5 < 2.5 < 2.0
Null Leakage Flow* max. (~ critical lap) gpm [l/min] 2.8 [10.5] 2.9 [11.0]
Pilot Leakage Flow* gpm [l/min] 0.92 [3.5] 1.1 [4.0]
Pilot Flow* for100% step input gpm [l/min] 11.9 [45.0] 14.5 [55.0] 10.6 [40.0] 13.2 [50.0]
Main Spool Stroke in [mm] ±0.22 [±5.5] ±0.31 [±8] ±0.22 [±5.5] ±0.31 [±8.0]
Spool Drive Area in
2
[cm
2
] 5.1 [33.2] 1.5 [9.6]
Q [gpm]
N
20 40 60 80 100
Signal [%]
A
Y
D
V
100
0
200
300
400
400
B T
Flow Rate [gpm]
5
10
20
30
50
-10 -30 -50 -70 -90 -110
+2
0
-2-4
-6-8
4
3
2
1
10%
25%
90%
Amplitue Ratio [dB]
Frequency [Hz]
Phase Lag [degrees]
-10 -30 -50 -70 -90 -110
5 10 20
30 50
70
100
200
-8 -6
-4 -2
0
+2
10%
25%
90%
Frequency [Hz]
Phase Lag [degrees]
Amplitue Ratio [dB]
D665 - . . . . . K15 . . . . J
* measured at 3,000 psi [210 bar] pilot or operating pressure, respectively, fluid viscosity of 32 mm
2
/s and fluid temperature of 104°F [40°C]
4-way version
3-stage valve
4-way version
3-stage valve
2x2-way version
3-stage valve
PATBXYG
1
G
2
F
1
F
2
F
3
F
4
F
5
F
6
Ø1.97 [50.0] Ø1.97 [50.0] Ø1.97 [50.0] Ø1.97 [50.0] Ø0.44 [11.2] Ø0.44 [11.2] Ø0.30 [7.5] Ø0.30 [7.5] M20 M20 M20 M20 M20 M20
x 4.49 [114.3] 3.25 [82.5] 1.63 [41.3] 5.81 [147.6] 1.63 [41.3] 6.63 [168.3] 5.81 [147.6] 1.63 [41.3] 0 7.5 [190.5] 7.5 [190.5] 0 3.0[76.2] 4.5 [114.3]
y 1.38 [35.0] 4.87 [123.8] 1.38 [35.0] 4.87 [123.8] 5.13 [130.2] 1.75 [44.5] 0 6.25 [158.8] 0 0 6.25 [158.8] 6.25 [158.8] 0 6.25 [158.8]
Pilot Flow Set Screw bore Pilot Flow Set Screw bore
Supply
1 (1/8 NPTF) 2 (1/16 NPTF) Return 3 (1/8 NPTF) 4 (1/16 NPTF)
Inter
nal P
closed
open
Inter
nal T
closed
open
Exter
nal X
open
closed
External Y open closed
INST
ALLATION DIAGRAM
D665
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
13.7(
349)
9.0(2
29)
4.4(112)
.32(
8)
.
24(6)
.79(20)
3.9(99)
7.9(200)
2.3 (59)
6.7(171)
.
87(22)
1.30 (33)
1.87 (50)
2.36 (60)
1/8 NPTF
.67(17)
19.6 (497)
0.5(1.3)
.11(2.8)
9.06(230)
8.0(203)
.
79(20)
.87(22)
388 from manifold
S
et screw 4
(
1/16 NPTF)
S
et screw 2
(
1/16 NPTF)
Pilot valve
D
631
Filter behind
c
over
Filter behind
cover
Electrical null adjust
(
behind screw plug)
S
et screw 3
(
1/8 NPTF)
S
et screw 1
(
1/8 NPTF)
14.9(125)
Mating connector
Headroom for
disconnecting
.79(20)
P
ilot valve
D661
O-rings (included in delivery) NBR 85 Shore FPM 85 Shore
for P
, T
, A, B
4 pieces ID 2.11 [53.6] x Ø 0.14 [3.5] 45122-035 42082-035
for X, Y
2 pieces ID 0.55 [14.0] x Ø 0.07 [1.8] 45122-008 42082-008
Mating connector
, waterpr
oof IP65 (not included in delivery) for cable diameter
6+PE pole B97007-061 EN 175201 Part 804 min. Ø 0.39 [10.0], max. Ø 0.47 [12.0]
11+PE pole B97067-111 EN 175201 Part 804 min. Ø 0.43 [11.0], max. Ø 0.51 [13.0]
Flushing plate
not available
Mounting manifold A25856-001
Mounting bolts (not included in delivery) required torque required
M20 x 90 DIN EN ISO 4762-10.9
A03665-200-090
385 ft-lb [520 Nm]
6 pieces
Replaceable filter
for pilot valve D631 A67999-100 100 µm nominal
and D661
A67999-200
200
µ
m nominal
O-rings for filter change for pilot valves D631 and D661 HNBR 85 Shore NBR 85 Shore FPM 85 Shore
filter 1 piece ID 0.47 [12.0] x Ø 0.80 [2.0] ––– 66117-012-020 A25163-012-020
filter cover D631
1 piece ID 0.67 [17.0] x Ø 0.80 [2.0] ––– ––– A25163-017-020
filter cover D661 1 piece ID 0.67 [17.1] x Ø 0.10 [2.6] B97009-080 ––– –––
For main stage operation
with inter
nal or exter
nal
pilot connection.
The mounting manifold must conform to ISO 4401-10-08-0-94.
For maximum flow, the manifold ports P, T, A and B require to have
Ø 1.96 in [Ø 50.0 mm] (deviation from standard).
Mounting surface needs to be flat within 0.001 in [0.02 mm].
Average surface finish value, Ra, better than
32
.
Moog • D660 Series 19
View of bottom of valve
D663 Series two-stage proportional control valve
with Servojet
®
pilot valve, 2/2-way poppet valve
Fail-safe version W
D661-D665
OPERA
TING PRINCIPLE OF THE FAIL-SAFE MULTI-STAGE VALVE
20 Moog • D660 Series
Note:
According to EN 954-1, a higher safety
category can be achieved if a fail-safe
valve is used.
Electrical characteristics of the 2/2-way poppet valve (D661 to
D664 Series, 2-stage) and 4/2-way solenoid valve (D665 Series)
for the fail-safe version.
V
alve version
for D661 to D664 2/2-way solenoid poppet valve
for D665 4/2-way solenoid valve
Function
electr
omagnetic
Nominal voltage U
N
24 V
DC
(min 22.8 V
DC
, max 26.4 V
DC
)
Nominal power
, P
N
2/2-way poppet valve 26 W
4/2-way poppet valve 36 W
XT APB Y
ELECTRICAL CHARACTERISTICS
Hydraulically activated valves for the
fail-safe version on r
equest.
DIN 43650-1
Form A: 2+PE - PG9
Connector wiring
1
2
Application safety is dependent on the application itself, local
safety requirements and design preferences. For applications
where certain safety regulations are applicable, a defined
metering spool position is needed in or
der to avoid potential
damage. Various fail-safe versions are available for Moog servo-
proportional control valves. To define the fail-safe operation in a
D660 Series V
alve, a complete understanding of the hydraulic
circuit and country specific safety regulations is required.
Following is information on the W, P and S electrically controlled
fail-safe functionality. Contact Moog for additional information.
Fail-Safe Version W:
After switching off the 24 V supply to the safety solenoid valve,
this fail-safe function causes a safe metering spool position:
overlapped centered position or fully opened. In order to move
the spool to the safe centered position with 2-stage proportional
valves, the two contr
ol chambers of the main stage are
hydraulically short-circuited by a 2/2-way poppet valve. The
spring force then moves the spool to the overlapped position.
Fail-Safe Version P:
Fail-safe version P is based on pilot pressure cut off. Both control
chambers ar
e then depressurized by leakage through the
receiver. The spring force subsequently moves the spool to the
safe position A
➧ T.
Fail-Safe Version W and S for D665 3 Stage Valves:
With D665 Series 3-stage proportional valves, the fail-safe
function is implemented with a 4/2-way solenoid valve. In
addition to the hydraulic short circuit of the two control
chambers, the pilot stage pressure is switched off. The spring
force moves the main spool to the safe position.
2.56(65)
3.15(80)
6.26(159)
.79(20)
2.84(72)
2.95(75)
Filter
Set screw 2
(M4 x 6)
Electrical
null adjust
(behind
screw plug)
Set screw 4
(M4 x 6)
W
arning!
T
he electric null
adjust must not
be changed if
t
he position of
t
he main-spool
i
s monitored.
6.93(176)
11.4(290)
M4
.74(18.7)
.62(15.7)
.26(6.5)
.
43(11)
.05(1.3)
1.85(47)
4.33(110)
.79(20)
4.92(125)
Mating connector
Headroom for
disconnecting
Set screw 3
(M4 x 6)
Set screw 1
(M4 x 6)
A
B
PYX
Version WVersion P
INSTALLATION DIAGRAM
D661
Moog • D660 Series
21
CONVERSION INSTRUCTION
Fail-safe version P
Centered position, underlapped
Fail-safe version W
Centered position, underlapped
Fail-safe version W
Centered position, overlapped
AB
AB
Spar
e par
ts and accessories: Page 11
Version with mechanical spring
centering
(fail-safe version M)
see page 10 (symbol) and page 11
(installation drawing)
Pilot Flow
Set Scr
ew M4 x 6
Pilot Flow
Set Scr
ew M4 x 6
Supply
bor
e
1 bor
e
2 Retur
n
bore
3 bor
e
4
Inter
nal P closed open Internal T closed open
External X open closed External Y open closed
For main stage operation
with internal or external
pilot connection.
The mounting manifold must conform to ISO 4401-05-05-0-94
(see page 11).
SP
ARE P
AR
TS AND ACCESSORIES
D662
22 Moog • D660 Series
8.94(227)
1.58(40)
1.50(38)4.21(107)
2.01(51)
.12(3) .79(20)
3.62(92)
3.74(95)
.20(5)
Filter
Set screw 2
(M6 x 6)
Set screw 1
(
1/16 NPTF)
Electrical null adjust
(
under screw plug)
W
arning!
The electric null
adjust must not
b
e changed if the
position of the
main-spool is
m
onitored.
.43(11)
.26(6.6)
.
71(18)
3.19(81)
6.06(154)
1.06(27)
12.5(317)
.79(20)
1.04(26.5)
7.32(186)
.08(2)
.05(1.2)
.
27(7)
.55(13.9)
.43(11)
.79(20)
5.98(152)
Mating connector
Headroom for
disconnecting
4.92(125)
.79(20)
INST
ALLATION DIAGRAM
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
Fail-safe version P
Centered position, underlapped
Fail-safe version W
Centered position, underlapped
Fail-safe version W
Centered position, overlapped
A
B
A
B
Version with mechanical spring
centering (spool position "M")
see page 12 (symbol) and page 13
(installation drawing)
The mounting manifold must conform to ISO 4401-07-06-0-94
(see page 13).
Spare parts and accessories: Page 11
Pilot Flow
Set Scr
ew bor
e
1 Pilot Flow
Set Scr
ew bor
e
2
Supply (1/16 NPTF) Return (M6 x 6)
Internal P open Internal T open
External X closed External Y closed
For main stage operation
with inter
nal or exter
nal
pilot connection.
1.18(30)
9.89(251)
5.12(130)
2.48(63)
.
79(20)
2.29(58)
4.65(118)
Filter
Set screw 2
(
M6 x 6)
S
et screw 1
(1/16 NPTF)
Electrical null adjust
(behind screw plug)
Warning!
The electric null
adjust must not
be changed if the
position of the
m
ain-spool is
monitored.
.25(6.3)
.99(25)
1
.26(32)
1.54(39)
.
24(6)
.79(20)
.53(13.5)
2.24(57)
.32(8)
.08(2)
7
.05(179)
Headroom for
disconnecting
Mating connector
4.92(125)
.79(20)
6.19(157)
15.17(385)
INSTALLATION DIAGRAM
D663
Moog • D660 Series
23
Fail-safe version W
Centered position, underlapped
Fail-safe version W
Centered position, overlapped
A
B
A
B
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
Spare parts and accessories: Page 15
The mounting manifold must conform to ISO 4401-08-07-0-94
(see page 15).
Version with mechanical spring
centering
(fail-safe version M) see
page 14 (symbol) and page 15
(installation drawing)
Pilot Flow Set Screw bore 1 Pilot Flow Set Screw bore 2
Supply
(1/16 NPTF)
Return (M6 x 6)
Internal P open Internal T open
Exter
nal X closed External Y closed
For main stage operation
with internal or external
pilot connection.
D664
24 Moog • D660 Series
INSTALLATION DIAGRAM
1.18(30)
9.89(251)
5.12(130)
2.48(63)
.
79(20)
2.29(58)
4.65(118)
Filter
Set screw 2
(
M6 x 6)
S
et screw 1
(1/16 NPTF)
Electrical null adjust
(behind screw plug)
Warning!
The electric null
adjust must not
be changed if the
position of the
m
ain-spool is
monitored.
.25(6.3)
.99(25)
1
.26(32)
1.54(39)
.
24(6)
.79(20)
.53(13.5)
2.24(57)
.32(8)
.08(2)
7
.05(179)
Headroom for
disconnecting
Mating connector
4.92(125)
.79(20)
6.19(157)
15.17(385)
Fail-safe version W
Centered position, underlapped
Fail-safe version W
Centered position, overlapped
A
B
A
B
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
Spare parts and accessories: Page 17
The mounting manifold must conform to ISO 4401-08-07-0-94
(see page 17).
Version with mechanical spring
centering (
fail-safe version M) see
page 16 (symbol) and page 17
(installation drawing)
Pilot Flow
Set Scr
ew bor
e
1 Pilot Flow
Set Scr
ew bor
e
2
Supply (1/16 NPTF) Return (M6 x 6)
Inter
nal P
open
Internal T open
External X closed External Y closed
For main stage operation
with internal or external
pilot connection.
D665
Moog • D660 Series
25
INST
ALLATION DIAGRAM
.87(22)
1.30(33)
1.97(50)
1.97(60)
1/8NPTF
2.32(59)
.11(2.8)
19.58(497)
.67(17)
6
.74(171)
3.90(99)
7.80(198)
7.92(201)
8.27(210)
.32(8)
.32(8)
16.04(407)
9.02(229)
0.05(1.3)
2.29(58)
S
et screw 2
(1/16 NPTF)
S
et screw 4
(1/16 NPTF)
Set screw 3
(1/8 NPTF)
Set screw 1
(1/8 NPTF)
Electrical null adjust
(behind screw plug)
Filter behind cover
Mating connector
Headroom for
disconnecting
4.93(125)
.79(20)
W
arning!
The electric null
adjust must not
b
e changed if the
position of the
main-spool is
m
onitored.
Fail-safe version W
Centered position, overlapped
Fail-safe version S
End position P
➧ A, critical lap
Fail-safe version W
Centered position, overlapped
Y
P
AB
T
CONVERSION INSTRUCTION
SPARE PARTS AND ACCESSORIES
Spare parts and accessories: Page 19
The mounting manifold must conform to ISO 4401-08-07-0-94
(see page 19).
Version with mechanical spring
centering (
fail-safe version M) see
page 18 (symbol) and page 19
(installation drawing)
Pilot Flow Set Screw bore Pilot Flow Set Screw bore
Supply
1 (1/8 NPTF) 2 (1/16 NPTF) Return 3 (1/8 NPTF) 4 (1/16 NPTF)
Internal P closed open Internal T closed open
External X open closed External Y open closed
For main stage operation
with internal or external
pilot connection.
D660
ORDERING INFORMATION FOR STANDARD MODELS
26
Moog • D660 Series
Model Type Designation Rated Flow gpm [l/min] Description
@ 75 psi [5 bar] per land
D661-2745E P60HAAM4NSF2 16 60 Spool type: 4-way, critical lap, linear; ServoJet
®
pilot
D661-4737 P60HDAM4NSF2-O 16 60 Spool type: 4-way, 10% overlap, linear; ServoJet
®
pilot
D661-2722E P80HAAM4NSF2 21 80 Spool type: 4-way, critical lap, linear; ServoJet
®
pilot
D661-4732 P80HDAM4NSF2-O 21 80 Spool type: 4-way, 10% overlap, linear; ServoJet
®
pilot
D662-2714E D01HABM6NSF2 40 150 Spool type: 4-way, critical lap, linear; High-flow ServoJet
®
pilot
D662-4724 D01HDBM6NSF2-O 40 150 Spool type: 4-way, 10% overlap, linear; High-flow ServoJet
®
pilot
D662-2718E D02HABM6NSF2 66 250 Spool type: 4-way, critical lap, linear; High-flow ServoJet
®
pilot
D662-2722E D02HDBM6NSF2 66 250 Spool type: 4-way, 10% overlap, linear; High-flow ServoJet
®
pilot
D663-2709E L03HABM6NSF2 92 350 Spool type: 4-way, critical lap, linear; High-flow ServoJet
®
pilot
D663-4705 L03HDBM6NSF2-O 92 350 Spool type: 4-way, 10% overlap, linear; High-flow ServoJet
®
pilot
D664-2708E L05HABM6NSF2 145 550 Spool type: 4-way, critical lap, linear; High-flow ServoJet
®
pilot
D664-4714 L05HDBM6NSF2-O 145 550 Spool type: 4-way, 10% overlap, linear; High-flow ServoJet
®
pilot
D665E2301 K15FAHO6NSF2 400 1500 Spool type: 4-way, critical lap, linear; 2-stage MFB pilot
D665-4602 K15FDHO6NSF2-O 400 1500 Spool type: 4-way, 10% overlap, linear; 2-stage MFB pilot
Notes: All standard models use 24 V supply voltage and ±10 V command signal. Spool position output is 2.5 V to 13.5 V.
Model Designation
A ±
10 V ±10 V (diff.) E
D ±10 V 2 to 10 V (6 V centered position) E/S
F ±
10 V 2.5 to 13.5 V S
M ±10 V 4 to 20 mA E/S
T ±10 V ±10 V with dead band compens. (diff.) E
X ±10 mA 4 to 20 mA E/S
Y others on request
V
alve Version Series
B Standar
d spool D661 (5-way)
L Stub shaft spool Ø .75 in. [19mm] D663 and D664
K Stub shaft spool Ø 1.38 in. [35mm] D665
E Preseries specification
D661 to D665
. . . . . . .
Factor
y Identification
Signals for 100% Spool Stroke
Command
Output Connector
Valve Connector For Supply Voltage
E 11+PE-pole EN 175201 Part 804 0 2
S 6+PE-pole EN 175201 Part 804 — 2
Seal Material
N NBR (Buna) Standard
Specification Status
– Series specification
Assigned at the factory
Rated Flow
Maximum Operating Pr
essur
e p
p* Pilot V
alve
Main Spool Type
Model Number
Type Designation
Q
N
[gpm] at ∆p
N
= 75 psi/land Q
N
[l/min] at ∆p
N
= 5 bar/land Series
A 4-way:
~ critical lap, linear characteristic
D 4-way:
10% overlap, linear characteristic
P 4-way:
P
➧ A,
A
➧ T
: ~ critical lap, curvilinear characteristic
P
➧ B: 60% overlap, cur
vilinear characteristic
B
➧ T
: 50% underlap, linear characteristic
U 5-way:
P
➧ A,
P
2
➧ B, A ➧ T
: ~ critical lap, curvilinear characteristic
Y 4-way:
~ critical lap, curvilinear characteristic
Z 2x2-way: A ➧ T
,B
➧ T
2
:
~ critical lap, linear characteristic
X Special spool on r
equest
Pilot Stage or Pilot Valve For Valve Type
A Ser
voJet
®
Standar
d
D661…P
B Ser
voJet
®
High flow
D661…P
D662…D
D663/4…L
M D630
2-stage, MFB
D662/D663/D664…P
H D631
2-stage, MFB
D665…P
J D661 Ser
voJet
®
2-stage, EFB
D665…K
Spool Position of Main Stage with/without Electrical or Hydraulic Supply*
*SV
: Solenoid V
alve *15 psi = 1 bar, 215 psi = 15 bar, 360 psi = 25 bar
**VE: Valve Electronics
Pilot Connections and Pilot Pr
essur
e
Supply X
Retur
n Y
4 inter
nal
inter
nal
5 exter
nal
inter
nal
6 exter
nal
exter
nal
7 inter
nal
exter
nal
Supply V
oltage
2 24 V
DC
(18 to 32 V
DC
)
0 special version
±15 V on request
P Standar
d spool D661 to D665
D Stub shaft spool Ø .63 in. [16mm] D662
30 8 30 D661
60 16 60 D661
80 21 80 D661
01 40 150 D662
02 66 250 D662
03 92 350 D663
05 145 550 D664
10 265 1000 D665
15 400 1500 D665
F 3,000 psi. At p
x
≤ 3,000 psi (external) operating pressure H
in por
t P
, A, B and T up to 5,000 psi possible.
H 4,000 psi.
At p
x
≤
4,000 psi (external) operating pressure A/B/J/M
in por
t P
, A, B and T up to 5,000 psi possible.
K 5,000 psi (not with pilot valves D630 and D631) A/B/J
X Special version
2 -
Parameters of the control electronics are
adapted to the pilot pressure. See operating
pressure on the nameplate and in this
ordering information.
Function Code
Connector
O No enable input. Pin C not used
S
A Without enable signal applied the spool moves to S
adjustable center
ed position (see page 5).
B Without enable signal applied the spool moves into S
defined end position
A
➧ T or B ➧ T
(see page 5).
E Without enable signal applied the spool moves to E
adjustable center
ed position.
Position er
ror monitored (see page 6)
F Without enable signal applied the spool moves E
into defined end position
A
➧ T or B ➧ T
Position error monitored (see page 6)
G W
ithout enable signal applied the spool moves to E
adjustable centered position.
Spool position monitored (see page 7)
H W
ithout enable signal applied the spool moves E
into defined end position A
➧ T or B ➧ T
Spool position monitor
ed (see page 7)
V FPM (Viton) optional
Other materials on request
D660
Z Special specification
K Explosion proof
version upon r
equest
*3000 psi = 210 bar, 4000 psi = 280 bar, 5000 psi = 350 bar
Moog • D660 Series 27
Preferred configurations are highlighted. Options may increase price.
T
echnical changes ar
e r
eser
ved.
All combinations may not be available.
Please contact Moog.
O Undefined (no fail-safe function) for all valve types
Mechanical fail-safe version
Position
p
p
[psi]
or p
x
exter
nal [psi] for valves with pilot valve
F P ➧ B, A ➧ T
≥ 360 A and B
< 15
A and B
D P ➧ A, B ➧ T
≥ 360 A and B
< 15 A and B
M Mid position defined ≥ 15 < 15 A and B
Mid position undefined ≥ 15 ≥ 360 A and B
Mid position defined ≥ 15 ≥ 215 H, J and M (2x2-way only)
Electrically controlled fail-safe version
Position pp[psi] px ext SV* VE** for valves with pilot valve
W Mid position defined ≥ 15 ≥ 215 off on all types
Mid position undefined ≥ 15 < 15 on on only A and B
Mid position defined ≥ 15 ≥ 215 on off all types
S P ➧ A, B ➧ T ≥ 15 ≥ 215 off on all types
P
➧ A, B ➧ T ≥ 15 ≥ 215 on off all types
P defined A ➧ T ≥ 15 ≥ 215 off on only A and B
(D661 only with p
x
ext)
P ➧ B, A ➧ T < 15 < 15 on off only A and B
. . . . . . . . . . . .
TJWhite / PDF
Moog Inc., Industrial Controls
USA: +1-716-652-2000
Germany: +49-7031-622-0
Japan: +81-463-55-3615
For the location nearest you, visit
www
.moog.com/worldwide.
CDL6562 Rev H 500-212 0405
Argentina
Australia
Austria
Brazil
China
Finland
France
Germany
India
Ireland
Italy
Japan
Kor
ea
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Russia
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United Kingdom
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