Description
Features
Model Designation
| Hydraulic | L |
Hydraulic Fluid
| Mineral oils | No mark |
| HF; HFB and HFC-Mediums | E |
Axial piston unit
| Variable displacement pump, industrial uses | A4VS |
Type of operation
| Pump, open circuits | O |
Size
| Displacement Vg max(ml/r) |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
Mode of operation
| Pressure control DR |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
DR… |
| Power control with Hyperbolic open,curve LR |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
LR… |
| Manual control MA |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
MA… |
| Electronic control EO |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
EO… |
| Hydraulic control, pilot pressure depenednt HD |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
HD… |
Series
|
√ |
√ |
– |
– |
– |
√ |
– |
10 |
|
|
– |
– |
√ |
√ |
√ |
√ |
√ |
22 |
|
|
– |
√ |
√ |
√ |
√ |
√ |
√ |
30 |
Direction of rotation
|
With view on shaft end |
Clockwise |
R |
| Counter clockwise |
L |
Seals
| NBR Nitrile rubber |
P |
| FKM Fluoro-rubber |
V |
Shaft end
| Keyed parallel shaft |
P |
| Splined shaft |
Z |
Mounting flange 40 71 125 180 250 355 500
| ISO 4 hole |
√ |
√ |
√ |
√ |
√ |
√ |
– |
B |
Service ports
| Port B and port S 90°offset; Auxiliary pressure port B1 Metric fixing screws |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
13 |
| Port B and S 90°offset； Pressure connection B1 connected by flange |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
25 |
Through drive
| Without auxiliary pump, without through drive |
√ |
√ |
√ |
√ |
√ |
√ |
– |
N00 |
Technical Data
Performance parameters (there figure Did not consider the efficiency o mechanical an volumetric efficiency)
| Size |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
||
| Displacement (Vg max) |
cm³/r |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
|
| Max.speed (n max1) |
rpm |
2600 |
2200 |
1800 |
1800 |
1500 |
1500 |
1320 |
|
| Max.output flow | n=n max |
L/min |
104 |
156 |
225 |
324 |
375 |
532 |
600 |
| n=1500rpm |
L/min |
60 |
107 |
186 |
270 |
375 |
532 |
－ |
|
| Max.power | n=n max |
kW |
61 |
91 |
131 |
189 |
219 |
310 |
385 |
| n=1500rpm |
kW |
35 |
62 |
109 |
158 |
219 |
310 |
－ |
|
| Max.torque | △P=35MPa |
N.m |
223 |
395 |
696 |
1002 |
1391 |
1976 |
2783 |
| △P=10MPa |
N.m |
64 |
113 |
199 |
286 |
398 |
564 |
795 |
|
| Weight(approximately) |
kg |
40 |
54 |
87 |
103 |
186 |
206 |
318 |
|
Outline drawing
| size |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
|
| Control moving distance |
mm |
14.2 |
17.3 |
20.7 |
20.7 |
25.9 |
25.9 |
32.6 |
| Control area |
cm² |
3.9 |
6.4 |
9 |
9 |
14.4 |
14.4 |
18.8 |
| Control volume |
cm³ |
5.5 |
11 |
18.7 |
18.7 |
37.3 |
37.3 |
61.4 |
| Min.control pressure |
MPa |
3 |
3 |
5 |
5 |
5 |
5 |
5 |
| Control time 20MPa pressure |
s |
0.1 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.8 |
Outline drawing
| size |
40 |
71 |
125 |
180 |
250 |
355 |
500 |
|
| Control cylinder’s moving distance |
mm |
14.2 |
17.3 |
20.7 |
20.7 |
25.9 |
25.9 |
32.8 |
| Control cylinder area |
cm² |
8.1 |
12.6 |
18.1 |
16.1 |
28.3 |
28.3 |
38.2 |
| Control volume |
cm³ |
11.4 |
21.5 |
37.5 |
37.5 |
73.2 |
73.2 |
124.5 |
| Min.control pressure |
MPa |
10 |
10 |
10 |
12.5 |
12.5 |
12.5 |
15 |
| Max.control pressure |
MPa |
31.5 |
31.5 |
31.5 |
31.5 |
31.5 |
31.5 |
31.5 |
| Control time |
s |
0.1 |
0.12 |
0.2 |
0.2 |
0.25 |
0.25 |
0.3 |
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