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Rexroth axial piston variable displacement pumps A4VSO series 1x and 3x are designed for use in high pressure industrial applications.
A4VSO piston pumps are available in sizes 40 to 1000 to withstand harsh operating conditions. They have a nominal pressure rating of 350 bar and a maximum pressure capability of 400 bar, ensuring reliable operation even in extreme environments.
*A4VSO series axial piston variable pump adopts swashplate structure and is specially designed for hydrostatic transmission in open circuits. Its flow rate is proportional to the transmission speed and displacement, ensuring efficient operation.
*The pump adjusts the flow rate steplessly by changing the angle of the swash plate. It has excellent oil absorption performance, low operating noise, and quiet and stable operation.
*Rexroth A4VSO A4VO piston pumps are engineered for long service life and provide high axial and radial load capacity to the drive shaft.
*Piston pumps feature a modular design providing the flexibility of variable shaft drive options. It also features a visual rotation angle indicator for easy monitoring and maintenance.
*The installation position of the pump can be adjusted freely, suitable for various variable speed drives and different system configurations.
*For greater efficiency, the pump offers HF mode to reduce data volume. In addition, a special version of HFC mode is available.
| Size | ย | NG | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 7505) | 1000 | |
| Geometric displacement
per revolution |
Vg max | cm3 | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 750 | 1000 | |
| Rotational speed
maximum1) |
at Vg max 2) | nnom | rpm | 2600 | 2200 | 1800 | 1800 | 1500 | 1500 | 1320 | 1200 | 1500 | 1000 |
| at Vg โค 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 | โ | |
| Power | at nnom, Vg max
and ฮp = 350 bar |
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 | โ | |
| Torque | at nnom, Vg max
and ฮp = 350 bar 2) |
M max | Nm | 223 | 395 | 696 | 1002 | 1391 | 1976 | 2783 | 4174 | 4174 | 5565 |
| and ฮp = 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/sยฒ | 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 | |
When confirming the model, we will send the size and other relevant parameters to verify and place the order. Usually, regular products can be delivered within 5-7 days. Large quantities or special products require communication.
Main dimensions only for the basic unit, further dimensions are given in the relevant data sheets.
Hydraulic shaft section display
Permissible radial and axial forces on the drive shaft
As a one-stop hydraulic purchasing center, POOCCA focuses on R&D, manufacturing, sales and maintenance. We will provide competitive prices, first-class products and 12 months after-sales guarantee. Contact POOCCA today to benefit from online technical guidance and more information.
Our dedicated VIP team customizes hydraulic solutions to your needs, with minimum order quantities of just one piece. Get bigger discounts on bulk orders. We are available online 24/7, ensuring that no matter when you contact us, we will respond promptly within 2-3 hours. Explore OEM and ODM possibilities with us for customized solutions. POOCCA is ready to enhance your hydraulic experience.
We sell hydraulic gear pumps, hydraulic piston pumps, hydraulic vane pumps, hydraulic motors, hydraulic accessories and other products. Hydraulic pumps made of high-quality materials are also tested before production, and the product qualification rate is as high as 99.9%.
*A4VSO series axial piston variable pump adopts swashplate structure and is specially designed for hydrostatic transmission in open circuits. Its flow rate is proportional to the transmission speed and displacement, ensuring efficient operation.
*The pump adjusts the flow rate steplessly by changing the angle of the swash plate. It has excellent oil absorption performance, low operating noise, and quiet and stable operation.
*Rexroth A4VSO A4VO piston pumps are engineered for long service life and provide high axial and radial load capacity to the drive shaft.
*Piston pumps feature a modular design providing the flexibility of variable shaft drive options. It also features a visual rotation angle indicator for easy monitoring and maintenance.
*The installation position of the pump can be adjusted freely, suitable for various variable speed drives and different system configurations.
*For greater efficiency, the pump offers HF mode to reduce data volume. In addition, a special version of HFC mode is available.
| Size | ย | NG | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 7505) | 1000 | |
| Geometric displacement
per revolution |
Vg max | cm3 | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 750 | 1000 | |
| Rotational speed
maximum1) |
at Vg max 2) | nnom | rpm | 2600 | 2200 | 1800 | 1800 | 1500 | 1500 | 1320 | 1200 | 1500 | 1000 |
| at Vg โค 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 | โ | |
| Power | at nnom, Vg max
and ฮp = 350 bar |
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 | โ | |
| Torque | at nnom, Vg max
and ฮp = 350 bar 2) |
M max | Nm | 223 | 395 | 696 | 1002 | 1391 | 1976 | 2783 | 4174 | 4174 | 5565 |
| and ฮp = 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/sยฒ | 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 | |
When confirming the model, we will send the size and other relevant parameters to verify and place the order. Usually, regular products can be delivered within 5-7 days. Large quantities or special products require communication.
Main dimensions only for the basic unit, further dimensions are given in the relevant data sheets.
Hydraulic shaft section display
Permissible radial and axial forces on the drive shaft
As a one-stop hydraulic purchasing center, POOCCA focuses on R&D, manufacturing, sales and maintenance. We will provide competitive prices, first-class products and 12 months after-sales guarantee. Contact POOCCA today to benefit from online technical guidance and more information.
Our dedicated VIP team customizes hydraulic solutions to your needs, with minimum order quantities of just one piece. Get bigger discounts on bulk orders. We are available online 24/7, ensuring that no matter when you contact us, we will respond promptly within 2-3 hours. Explore OEM and ODM possibilities with us for customized solutions. POOCCA is ready to enhance your hydraulic experience.
We sell hydraulic gear pumps, hydraulic piston pumps, hydraulic vane pumps, hydraulic motors, hydraulic accessories and other products. Hydraulic pumps made of high-quality materials are also tested before production, and the product qualification rate is as high as 99.9%.
POOCCA Hydraulics is a powerful hydraulic enterprise integrating R&D, manufacturing, sales and maintenance. Its products are exported to more than 120 countries. Its quality, price and service are deeply recognized and trusted by customers.
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