Axial Piston Variable Pump A4VG
Axial piston variable pump A4VG series 40
- High pressure pump for applications in closed circuits up to 500 bar
- Size 110 … 280, A4VG 110 DA**/40R, A4VG 125 HW**/40R, A4VG 145 EP**/40R, A4VG 175 EZ1**/40R, A4VG 210 EZ2**/40R, A4VG 280 EP4**/40R.
- Nominal pressure 450 bar
- Maximum pressure 500 bar
| Size | NG |
28 |
40 |
56 |
71 |
90 |
125 |
180 |
250 |
|||
| Displacement variable pump |
Vg max | cm3 |
28 |
40 |
56 |
71 |
90 |
125 |
180 |
250 |
||
| boost pump (at p = 20 bar) | Vg Sp | cm3 |
6.1 |
8.6 |
11.6 |
19.6 |
19.6 |
28.3 |
39.8 |
52.5 |
||
| Speed1) | maximum at Vg max | nnom | rpm |
4250 |
4000 |
3600 |
3300 |
3050 |
2850 |
2500 |
2400 |
|
| limited maximum2) | nmax | rpm |
4500 |
4200 |
3900 |
3600 |
3300 |
3250 |
2900 |
2600 |
||
| intermittent maximum3) | nmax | rpm |
5000 |
5000 |
4500 |
4100 |
3800 |
3450 |
3000 |
2700 |
||
| minimum | nmin | rpm |
500 |
500 |
500 |
500 |
500 |
500 |
500 |
500 |
||
| Flow at nnom and Vg max | qv | L/min |
119 |
160 |
202 |
234 |
275 |
356 |
450 |
600 |
||
| Power4) at nnom, Vg max and Dp = 400 bar |
P | kW |
79 |
107 |
134 |
156 |
183 |
238 |
300 |
400 |
||
| Torque4) at Vg max and |
Dp = 400 bar | T | Nm |
178 |
255 |
357 |
452 |
573 |
796 |
1146 |
1592 |
|
| Dp = 100 bar | T | Nm |
45 |
64 |
89 |
113 |
143 |
199 |
286 |
398 |
||
| Rotary stiffness drive shaft | S | c | kNm/rad |
31.4 |
69 |
80.8 |
98.8 |
158.1 |
218.3 |
244.5 |
354.5 |
|
| T | c | kNm/rad |
– |
– |
95 |
120.9 |
– |
252.1 |
318.4 |
534.3 |
||
| A | c | kNm/rad |
– |
79.6 |
95.8 |
142.4 |
176.8 |
256.5 |
– |
– |
||
| Z | c | kNm/rad |
32.8 |
67.5 |
78.8 |
122.8 |
137 |
223.7 |
319.6 |
624.2 |
||
| U | c | kNm/rad |
– |
50.8 |
– |
– |
107.6 |
– |
– |
– |
||
| Moment of inertia for rotary group | JGR | kgm2 |
0.0022 |
0.0038 |
0.0066 |
0.0097 |
0.0149 |
0.0232 |
0.0444 |
0.0983 |
||
| Maximum angular acceleration5) | a | rad/s2 |
38000 |
30000 |
24000 |
21000 |
18000 |
14000 |
11000 |
6700 |
||
| Case volume | V | L |
0.9 |
1.1 |
1.5 |
1.3 |
1.5 |
2.1 |
3.1 |
6.3 |
||
| Mass approx. (without through drive) | m | kg |
29 |
31 |
38 |
50 |
60 |
80 |
101 |
156 |
||
| Center of gravity6) | X | mm |
< 5 |
< 5 |
< 5 |
< 5 |
< 5 |
< 5 |
< 5 |
< 5 |
||
| Y | mm |
24 |
20 |
20 |
15 |
20 |
30 |
33 |
30 |
|||
| Z | mm |
105 |
112 |
106 |
135 |
145 |
160 |
180 |
203 |
|||
Q: Are you trading company or manufacturer?
A: We are manufacturer.
Q: How long is the Warranty?
A: One-year warranty.
Q: What is your payment terms?
A: 100% in advance, long-term dealer 30% in advance, 70% before shipping.
Q: How about the delivery time?
A: Conventional products take 5-8 days, and unconventional products depend on the model and quantity
As a competent manufacturer of diversified Hydraulic Pumps, we are thriving across the globe and we are happy to share the overwhelming positive feedback we have received from satisfied customers across the globe. Our products have won accolades for their superior quality and performance. Consistent positive reviews reflect the trust and satisfaction customers experience after making a purchase.
Join our customers and experience the excellence that sets us apart. Your trust is our motivation and we look forward to exceeding your expectations with our POOCCA hydraulic pump solutions.
