Piston Hydraulic Pump A4VSO
Rexroth Piston Hydraulic Pump A4VSO
Product Introduction
PAA4VSO hydraulic axial piston variable pump has excellent suction characteristics, low noise level, long service life, long service life; modular design; variable through drive options, visual swivel angle indicator and optional mounting
|
Name |
A4VSO Series |
|
Series |
Series 1x and 3x |
|
Sizes |
40 71 125 180 250 355 500 750 1000 |
|
Nominal Pressure |
350 bar |
|
Maximum Pressure |
400 bar |
|
Operation Mode |
Open piston pump |
Produc parameter
|
Size |
NG |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
750 |
7505) |
1000 |
||
|
Geometric displacement |
Vg max |
cm3 |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
750 |
750 |
1000 |
|
|
Rotational speed |
at Vg max 2) |
nnom |
rpm |
2600 |
2200 |
1800 |
1800 |
1500 |
1500 |
1320 |
1200 |
1500 |
1000 |
|
at Vg ≤ Vg max 3) |
nmax |
rpm |
3200 |
2700 |
2200 |
2100 |
1800 |
1700 |
1600 |
1500 |
1500 |
1200 |
|
|
Flow |
at nnom and Vg max |
qv |
l/min |
104 |
156 |
225 |
324 |
375 |
533 |
660 |
900 |
1125 |
1000 |
|
at 1500 rpm |
qv |
l/min |
60 |
107 |
186 |
270 |
375 |
533 |
5816) |
7706) |
1125 |
– |
|
|
Power |
at nnom, Vg max |
P |
kW |
61 |
91 |
131 |
189 |
219 |
311 |
385 |
525 |
656 |
583 |
|
at 1500 rpm |
P |
kW |
35 |
62 |
109 |
158 |
219 |
311 |
3396) |
4496) |
656 |
– |
|
|
Torque |
at nnom, Vg max |
M max |
Nm |
223 |
395 |
696 |
1002 |
1391 |
1976 |
2783 |
4174 |
4174 |
5565 |
|
and Δp = 100 bar 2) |
M |
Nm |
64 |
113 |
199 |
286 |
398 |
564 |
795 |
1193 |
1193 |
1590 |
|
|
Rotary stiffness of drive shaft |
Shaft end P |
c |
kNm/rad |
80 |
146 |
260 |
328 |
527 |
800 |
1145 |
1860 |
1860 |
2730 |
|
Shaft end Z |
c |
kNm/rad |
77 |
146 |
263 |
332 |
543 |
770 |
1136 |
1812 |
1812 |
2845 |
|
|
Moment of inertia |
JTW |
kgm2 |
0.0049 |
0.0121 |
0.03 |
0.055 |
0.0959 |
0.19 |
0.3325 |
0.66 |
0.66 |
1.2 |
|
|
Maximum angular acceleration4) |
a |
rad/s² |
17000 |
11000 |
8000 |
6800 |
4800 |
3600 |
2800 |
2000 |
2000 |
1450 |
|
|
Case volume |
v |
l |
2 |
2.5 |
5 |
4 |
10 |
8 |
14 |
19 |
22 |
27 |
|
|
Weight (without through drive) approx. |
m |
kg |
39 |
53 |
88 |
102 |
184 |
207 |
320 |
460 |
490 |
605 |
|
Detailed images
Variable pump with axial piston rotary group of swash- plate design for hydrostatic drives in open circuit
Flow is proportional to the drive speed and displacement.
The flow can be infinitely varied by adjusting the swash- plate angle.
Excellent suction performance
Low noise level
Long service life
Modular design
Variable through drive options
Visual swivel angle indicator
Freely variable installation position
Suitable for variable-speed drives
HF mode for reduced data possible for HFC mode, special version available
The control method is：
DR - Pressure controller, one-sided swiveling
DP - Pressure controller for parallel operation
FR - Flow controller
DFR - Pressure and flow controller
LR - Power controller with hyperbolic characteristic curve
MA - Manual control
EN - Electric motor control
HM - Hydraulic control, control volume dependent
A4VSO Piston pump Dimensions
applications
Robust high pressure pump for industrial applications.
Size 40 … 1000, such as A4VSO 40/DR, A4VSO 71/DP, A4VSO 125/DFR, A4VSO 180/LR, A4VSO 250/MA, A4VSO 355/EM, A4VSO 500/HM, A4VSO 750/HS, A4VSO 1000/HD, A4VSLO 750/DR.
Hydraulic Power Units
Industrial machineries
Drilling machinery
Mining Machinery
Forestry equipment
Construction machinery
our advantages
1.Quick response within 2hours
2.Accept small order (MOQ:1pcs)
3.Custom service.Unusual packaging,standard packing or as customer required
4.Excellent after-sales service
5.Strict quality control system.100% factory testing and inspection personnel in accordance with international standards for the high frequency sampling,to ensure the quality of products manufactured.
after sales service
Warranty 12months,we will maintenance quality problems for free in the warranty and provide technical support in the whole production life.(24hours online)
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