BOSCH REXROTH
R902275545
$8,843.00 USD
- BOSCH REXROTH
- Material:R902275545
- Model:AA4VG71DGD1/32R-NSF52F021D
Quantity in stock: 0
The Bosch Rexroth AA4VG71DGD1/32R-NSF52F021D (R902275545) is a high-performance axial piston variable pump with an integrated boost pump designed to cater to the needs of demanding hydraulic systems. This model ensures a reliable boost and pilot oil supply, enhancing the overall efficiency and responsiveness of the system it is integrated into. The smooth change in flow direction as the swashplate moves through the neutral position is a testament to its sophisticated engineering, which minimizes hydraulic shocks and ensures steady operation. This particular Bosch Rexroth pump is equipped with high-pressure relief valves that incorporate a boost function, providing an additional layer of operational safety and durability. The adjustable pressure cutoff comes as a standard feature, allowing for precise control over the maximum system pressure to prevent potential damage due to overpressure scenarios. Furthermore, it includes a boost pressure relief valve that contributes to the protective measures against pressure spikes while maintaining optimal performance. Its through-drive capability is particularly noteworthy, permitting the mounting of additional pumps up to the same nominal size, thus offering versatility in configuring tandem pump arrangements or multi-pump systems. The AA4VG71DGD1/32R-NSF52F021D's robust swashplate design underscores its readiness for heavy-duty applications where consistent and reliable hydraulic power is crucial. The variety of controls available for this model allows customization according to specific application requirements, ensuring that this variable pump can be tailored effectively to a wide range of operational contexts. With its advanced features and reliable performance, this Bosch Rexroth axial piston variable pump stands out as a key component for sophisticated hydraulic systems requiring precise control and high durability.
Table of values
|
Size |
28 | 40 | 56 | 71 | 90 | 125 | |||
|
Displacement |
Vg max |
cm³ |
28 | 40 | 56 | 71 | 90 | 125 | |
|
Nominal pressure |
pnom |
bar |
400 | 400 | 400 | 400 | 400 | 400 | |
|
Maximum pressure |
pmax |
bar |
450 | 450 | 450 | 450 | 450 | 450 | |
|
Maximum speed |
at Vg max |
nnom |
rpm |
4250 | 4000 | 3600 | 3300 | 3050 | 2850 |
|
Intermittent 1) |
nmax |
rpm |
5000 | 5000 | 4500 | 4100 | 3800 | 3450 | |
|
Flow |
at Vg max and nnom |
qV nom |
l/min |
119 | 160 | 202 | 234 | 275 | 356 |
|
Power |
at qV nom and Δpnom 2) |
P |
kW |
79 | 107 | 134 | 156 | 183 | 238 |
|
Torque |
at Vg max and Δpnom |
M |
Nm |
178 | 255 | 357 | 452 | 573 | 796 |
|
Weight (approx.) |
m |
kg |
29 | 31 | 38 | 50 | 60 | 80 | |
| 1) | At Δp = 70 … 150 bar or Δp < 300 bar and t < 0.1 s |
| 2) | Δpnom = 400 bar |