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Product Catalog Mobile Hydraulics
Axial Piston Units
Fixed pumps
Variable Pumps
A10VO/5
A10VNO
A10VO/31
A10VO/32
A1VO
A11VO/1
A11VO/40
A4VSO
A7VO
A20VO
A8VO
A17VO
A18VO / A18VLO
A4VG/32
A4VG/40
A10VG
A4VTG
A4CSG
A22VG
A24VG
Fixed Motors
Variable Motors
External Gear Units
Radial piston motors
Mobile Controls
Compact Hydraulics
Gears
Mobile Electronics
Accessories
Systems
Spare Parts Mobile Hydraulics
Axial Piston Units
Variable Pump A4VG/32
Sizes 28...125
Axial piston swashplate design
Series 3
Closed circuits
Nominal pressure: 400 bar
Peak pressure: 450 bar
Variable pump, reversible, all components integrated for closed circuits
For applications in the high pressure range up to 450 bar
Integrated auxiliary pump for boost and control oil supply
Combined boost and high-pressure relief valves
Boost pressure relief valve
Possible to mount additional pumps on through drive up to the same nominal size
Large variety of controls
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Documentation
Data sheet
Instruction manual
Size
28
40
56
71
90
125
Displacement
V
g max
cm³
28
40
56
71
90
125
Max. speed
at V
g max
n
nom
rpm
4250
4000
3600
3300
3050
2850
intermittent
1)
n
max
rpm
5000
5000
4500
4100
3800
3450
Flow
at n
nom
q
V
l/min
119
160
202
234
275
356
Power
Δp = 400 bar
P
kW
79
107
134
156
183
238
Torque
Δp = 400 bar
T
Nm
178
255
357
452
573
796
Weight (approx.)
m
kg
29
31
38
50
60
80
¹) Intermittent maximum speed: at high idle, at overspeed: Δp = 70 - 150 bar and V
g max
, at reverse peaks: Δp < 300 bar and t < 5 s
HD
HW
EP
EZ
DA
DG
Proportional control hydraulic, pilot-pressure related
Proportional control hydraulic, mechanical servo
Proportional control electric
Two-point control electric
Automatic control speed-related
Hydraulic control, direct controlled
V
g
= Displacement
p
St
= Pilot pressure
ß = Swivel angle
Control lever
I = Control current
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Product Catalog Mobile Hydraulics, online version, last changed 2013-02-26
©Bosch Rexroth AG, subject to change
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