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   
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 Moog D926 Proportional Valves

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
 Moog D926 Proportional Valves
PRODUCT OVERVIEW


PRODUCT OVERVIEW















D926 Proportional Valve
Valve design 
Size according ISO 4401 
Mounting pattern 

Rated flow at Δp
N
5 bar (75 psi)/spool land 
Maximum flow 
Maximum operating pressure - port P, A, B 
Step response time for 0 to 100 % stroke 
D926 Proportional Valve

 Moog D926 Proportional Valves
FEATURES AND BENEFITS


FEATURES AND BENEFITS
Features Benefits







 




 
 

 Moog D926 Proportional Valves
DESCRIPTION OF OPERATION


DESCRIPTION OF OPERATION
2
BPAT
3
7
1
10
8
4
51169
Valve Design

















Operation












 
 
 
 

 
 
 
 
 
 
 

 


General Technical Data
Valve design 
Mounting pattern 

Installation position 
Weight 
Storage temperature range 
Ambient temperature range 
Vibration resistance 
Shock resistance 
MTTF
d
value according to EN ISO 13849-1 
Hydraulic Data
Maximum operating pressure
 
 

 
 

Rated flow at Δp
N
5 bar (75 psi)/spool land 
Typical leakage flow (32 l/min spool with 1.5 to 3 %
overlap)
2)
≤ 

Hydraulic fluid 

Temperature range 
Viscosity range
 

 

Recommended cleanliness class as per ISO 4406
 
 
 
 

D926 SERIES PROPORTIONAL VALVES

 


Typical Static and Dynamic Data
1)
Step response time for 0 to 100 % stroke 
Threshold 
Hysteresis 
Null shift at ΔT = 55 K (131 °F) 
Sample deviation of rated flow 
 

Electrical Data
Duty cycle 
Degree of protection according to IEC/EN 60529 
Supply voltage
2)




Permissible ripple of supply voltage 

Maximum current consumption
3)

Maximum power consumption 

Fuse protection, external, per valve 
EM compatibility  
 





D926 SERIES PROPORTIONAL VALVES

 


D926 SERIES PROPORTIONAL VALVES
TPY
B
A
TPY
B
A
 
TPY
B
A
TPY
B
A
 
Hydraulic symbols
±25%
200101 100
0
-30
-60
-90
-120
-150
-12
-9
-6
-3
0
3
±10%
±90%
Phase lag [degree]
Frequency [Hz]

 


Step Response
1)
100
75
0510 20
2515 30
50
25
0
Stroke [%]
Time [ms]
Frequency Response
1)
Typical Characteristic Curves
D926 SERIES PROPORTIONAL VALVES
Flow Signal Characteristic for Spool Type “L”
0
100-100 80-80 -60 60-40 40-20 200
Flow [% of Rated Flow]
Command Signal [%]
40
20
60
100
80
30
10
50
90
70
Flow Signal Characteristic for Spool Type “2”
0
100-100 80-80 -60 60-40 40-20 200
Flow [% of Rated Flow]
Command Signal [%]
40
20
60
100
80
30
10
50
90
70
TA TB
APBP
Flow Signal Characteristic for Spool Type “1”
0
100-100 80-80 -60 60-40 40-20 200
Flow [% of Rated Flow]
Command Signal [%]
40
20
60
100
80
30
10
50
90
70
 

Mating Connector 6+PE
Removal Space
70
(2.76)
11.7
(.46)
20
(.79)
16.8
(.66)
53.9
(2.12)
122.5
(4.82)
132
(5.2)
22.5
(.89)
85.7
(3.38)
48.5
(1.91)
3
(.12)
27
(1.06)
100.5
(3.96)
125
(4.92)
254.5
(10.02)
11
(.43)
Ø
12.4
(.49)
9.5
(.37)
4 X Ø
Ø
Ø
2.5
(.1)
5.4
(.21)
Ø
Mating Connector 6+PE
Removal Space
70
(2.76)
11.7
(.46)
20
(.79)
16.8
(.66)
53.9
(2.12)
122.5
(4.82)
132
(5.2)
22.5
(.89)
85.7
(3.38)
48.5
(1.91)
3
(.12)
27
(1.06)
100.5
(3.96)
125
(4.92)
254.5
(10.02)
11
(.43)
Ø
12.4
(.49)
9.5
(.37)
4 X Ø
Ø
Ø
2.5
(.1)
5.4
(.21)
Ø

 



Port Pattern of Mounting Surface










Designation P A B T Y F
1
F
2
F
3
F
4
G
Size Ø mm
in




















Position X mm
in


















Position Y mm
in



















x
y
17
(0.7)
77
(3.0)
9,5
(0.4)
52
(2.0)
0
17
(0.7)
77
(3.0)
9.5
(0.4)
52
(2.0)
0
F
1
F
2
F
3
F
4
A
B
T
Y
G
P
D926 SERIES PROPORTIONAL VALVES
Installation Drawing (4/3-way Version)

 Moog D926 Proportional Valves
ELECTRONICS



ELECTRONICS
Pin Assignment for Valves with 6-pole + PE Connector, Pin Contacts

B
C
D
F
E
A
Pin Pin assignment 

 

A Supply voltage







B GND 
C Reference point
actual value

D Command signal -
spool position




Ω





Ω


E Reference point
Input rated command


F Actual value -
spool position














Ω
Protective earth (PE) 
 
 

 Moog D926 Proportional Valves
ELECTRONICS



ELECTRONICS
Ordering Codes and Signals for Valves with 6-pole + PE Connector
Ordering code
position 10
Command signal ±100% spool position Actual value ±100 % spool position
H




X


E



Command Signal Voltage Floating,
Ordering Code H


4/3-way conguration with two solenoids:



→→




4/2-way conguration with single solenoid:



→→




Command Signal Current Floating,
Ordering Code X or E


4/3-way conguration with two solenoids:


→→



4/2-way conguration with single solenoid:


→→



R
in
0 V +24 V
D
E
B
A
I
E
U
DE
Valve
Control
I
Command signal
Supply
Command signal I
D
GND
R
in
0 V +24 V
D
E
B
A
U
DE
Control
U
Command signal
Signal
Valve
Command signal

 Moog D926 Proportional Valves
ELECTRONICS



ELECTRONICS
Ordering Codes and Signals for Valves with 6-pole + PE Connector
Actual Value 4 to 20 mA,
Ordering Code X or E





4/3-way conguration with two solenoids:

→→
4/2-way conguration with single solenoid:

→→






Ω

I
out
R
L
V
U
out
I
out
F
C
(GND)
Valve Spool
position
Actual Value -10 to +10 V,
Ordering Code H





4/3-way conguration with two solenoids:
→→
4/2-way conguration with single solenoid:
→→
U
out
R
L
V
U
out
I
out
F
C
Valve Spool
position

 Moog D926 Proportional Valves
FLOW CALCULATION



FLOW CALCULATION











 
 
Δ 
Δ
 
Flow Chart




Q =
Q
N
.
p
p
N
100
(1,450)
200
(2,900)
350
(5,000)
p [bar (psi)]
Q [l/min (gpm)]
50
(725)
20
(290)
30
(435)
10
(145)
1
(15)
70
(1,000)
P16
P08
P04
P32
100 (26.4)
60 (15.9)
80 (21.1)
40 (10.6)
30 (7.9)
20 (5.3)
15 (4.0)
10 (2.6)
8 (2.1)
5 (1.3)
3 (0.8)
2 (0.5)
1 (0.26)
4 (1.06)
8 (2.2)
16 (4.2)
32 (8.5)

 Moog D926 Proportional Valves
ABOUT MOOG



ABOUT MOOG
Hydraulic Solutions






Electric Solutions





Hybrid Solutions





Flight Simulation
Four Post Road Simulator

 Moog D926 Proportional Valves
MOOG GLOBAL SUPPORT



MOOG GLOBAL SUPPORT








 

 

 

 


 

 

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 Moog D926 Proportional Valves
ACCESSORIES AND SPARE PARTS
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ACCESSORIES AND SPARE PARTS
Series-specific Accessories and Spare Parts
Spare Parts D926 Series Proportional Valves
Part name Description Material Part number
 
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 
 
Accessories D926 Series Proportional Valves
Part name Description Remark Part number
 
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  
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 Moog D926 Proportional Valves
ACCESSORIES AND SPARE PARTS
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ACCESSORIES AND SPARE PARTS
Documents D926 Series Proportional Valves
Part name Description Remark Part number


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
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 Moog D926 Proportional Valves
ACCESSORIES AND SPARE PARTS



ACCESSORIES AND SPARE PARTS
Accessories - Installation Drawings
Mating Connector, Straight 6-pole + PE

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
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

22, max. 20 Nm
(177 lbf in)
Ø 22
(0.86)
Ø 29
(1.13)
66
(2.60)
20
(0.79)
70
(2.76)
Mating Connector, Elbow 6-pole + PE

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(2.53)
Ø 22
(0.86)
10
(0.39)
62
(2.45)
67
(2.64)
Ø 28.8
(1.13)
22, max. 20 Nm
(177 lbf in)
20
(0.79)

 
NOTES
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
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NOTES
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


 Moog D926 Proportional Valves
ORDERING CODE



ORDERING CODE
P
04
08
8
L
1
--
7
0
6
5
1
PK M …
234 567
3
4
16
16
32
32
K
8
4
3
1
2
2
3
4
M
350 (5,000)
4/2-way: P A, P B: 15 % overlap; A T, B T: 12 % underlap, progressive flow characteristic
Model designation
Valve type
Proportional valve with integrated digital electronics
Rated flow per spool land [l/min (gpm)]
Pressure range [bar (psi)]
Maximum operating pressure
Spool design
4-way: 15 % positive overlap, progressive flow characteristic
4-way: P A, P B: 15% overlap; A T, B T: 12 % underlap, progressive flow characteristic
4-way: 1.5 to 3 % positive overlap, progressive flow characteristic
Y port
2 proportional solenoids, LVDT on A side
0
4/2-way: Single proportional solenoid and LVDT on A side
Proportional solenoid
Spool position without electrical supply
For = 5 bar (75 psi) p
Model number (assigned at the factory) Type designation
(2.1)
(1.06)
(4.2)
(8.5)
N
Center position
1)
No Y port, p
Tmax
= 280 bar (4,000 psi)
4-way: 15 % positive overlap, progressive flow characteristic, A:B = 2:1
D926
With Y port, p
Tmax
= 350 bar (5,000 psi)
4-way: 1.5 to 3 % positive overlap, progressive flow characteristic, A:B = 2:1
5
6
7
4-way: P A, P B: 15 % overlap; A T, B T: 12 % underlap, progressive flow characteristic, A:B = 2:1
4/2-way: 15 % positive overlap, progressive flow characteristic
1) For spools with 1.5 to 3 % overlap, the spring centered position may not correspond with the hydraulic zero position.

 Moog D926 Proportional Valves
ORDERING CODE



ORDERING CODE
8
H
V
… S
8
2O–
10 11 139
10
H
X
E
11
2
13
O
9
S
Enable function
No enable signal
Supply voltage
24 V
DC
, for more information, see section “Electronics“
Command signal Actual value
Command signals
± 10 V
± 10 mA
± 10 V
4 to 20 mA
4 to 20 mA
4 to 20 mA
J
U
W
± 10 V
± 10 mA
± 10 V with deadband compensation
4 to 20 mA
4 to 20 mA with deadband compensation
4 to 20 mA with deadband compensation
6-pole + PE EN 175201-804
Valve connector X1
Seal material
HNBR
FKM
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WHAT MOVES YOUR WORLD
MORE PRODUCTS. MORE SUPPORT.
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