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Axial Piston Units
Variable Pump A4VG/40
Sizes 45...280
Axial piston swashplate design
Series 40
Closed circuits
Nominal pressure: 450 bar
Peak pressure: 500 bar
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Variable pump, reversible, all components integrated for closed circuits
- For applications in the high pressure range up to 500 bar
- Integrated auxiliary pump for boost and control oil supply
- Combined boost and high-pressure relief valves
- Boost pressure relief valve
- Possible to mount additional pumps on through drive up to the same nominal size
- Large variety of controls
- High efficiency
- High power density
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Size |
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45 |
65 |
85 |
110 |
145 |
175 |
210 |
280 |
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Displacement |
Vg max
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cm³ |
45,3 |
65,2 |
85,4 |
110,4 |
145,3 |
175,4 |
210,6 |
280,3 |
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Max. speed |
at Vg max 1)
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nnom
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rpm |
4300 |
3800 |
3300 |
3150 |
2850 |
2650 |
2500 |
2400 |
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at Δp = 40 bar (t < 15 s) |
nmax
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rpm |
4500 |
4000 |
3500 |
3350 |
3000 |
2800 |
2650 |
2550 |
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Flow |
at nnom
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qV
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l/min |
195 |
248 |
282 |
348 |
414 |
465 |
527 |
673 |
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Power |
∆p = 430 bar |
P |
kW |
140 |
178 |
202 |
249 |
297 |
333 |
377 |
482 |
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Torque |
∆p = 430 bar |
T |
Nm |
310 |
446 |
584 |
756 |
994 |
1200 |
1441 |
1918 |
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Weight (approx.) |
m |
kg |
55 |
58 |
77 |
88 |
106 |
115 |
152 |
160 |
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Proportional control hydraulic, pilot-pressure related
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Proportional control hydraulic, mechanical servo
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Proportional control electric
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Automatic control speed-related
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Hydraulic control, direct controlled
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Electric control, direct controlled
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;)
;)
;)