Multi - Purpose High Efficiency Hydraulic Piston Pump A7V For Dump Truck
Brand Name:Helm Tower
Certification:ISO9001
Model Number:Rexroth A7V
Minimum Order Quantity:Negotiation
Delivery Time:3 days
Payment Terms:L/C, T/T, Western Union
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Location:
Ningbo Zhejiang China
Address:
NO. 1818, ZHENLUO EAST ROAD, ZHENHAI, NINGBO, CHINA.
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within 47 hours
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Product Details
Multi - Purpose High Efficiency Hydraulic Piston Pump A7V For Dump Truck
Features:
Technical information
Models:A7VO28/A7VO55/A7VO12/A7VO80/A7VO107/A7VO160/A7VO200/A7VO172/A7VO250/A7VO355/A7VO500
Rexroth Axial piston variable pump A7VO Series
Nominal pressure 350 bar
Maximum pressure 400 bar
Open circuit
-Variable pump with axial tapered piston rotary group of bentaxis design, for hydrostatic drives in open circuit
-For use in mobile and stationary applications
-The flow is proportional to the drive speed and displacement.
-The flow can be infinitely varied by adjusting the bent axis.
-Wide selection of control devices
-Compact, robust pump with long service life
Specification:
| Size | 20 | 28 | 40 | 55 | 58 | 80 | 78 | 107 | 117 | 160 | 250 | 355 | 500 | |
| Rotation Direction(R Clockwise,L Anti-clock wise) | L R | L R | L R | L R | L R | L R | L R | L R | L R | L R | L R | L R | L R | |
| Type of control | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | |
| DR Constant pressure Control | * * | * * | * * | * * | * * | * * | * | |||||||
| EL Electric Control | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * | ||
| HD Hydraulic pressure Control | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * | ||
| MA Manual pressure | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | |||
| Disp. | Vgmax(ml/r) | 20.5 | 28.1 | 40.1 | 54.8 | 58.5 | 80 | 78 | 107 | 117 | 160 | 250 | 355 | 500 |
| Vgmin(ml/r) | 0 | 8.1 | 0 | 15.8 | 0 | 23.1 | 0 | 30.8 | 0 | 46.1 | 0 | 0 | 0 | |
| Max speed 3) | At 0.09MPa 1) nmax 0.09 (r/min) | 3800 | 2800 | 3200 | 2360 | 2850 | 2120 | 2540 | 1900 | 2240 | 1650 | 1400 | 1250 | 1120 |
| At 0.10MPa 1) nmax 0.10(r/min) | 4100 | 3000 | 3400 | 2500 | 3000 | 2240 | 2700 | 2000 | 2360 | 1750 | 1500 | 1320 | 1200 | |
| At 0.15MPa 1) nmax 0.15(r/min) | 4750 | 3600 | 3750 | 3000 | 3350 | 2750 | 3000 | 2450 | 2650 | 2100 | 1850 | 1650 | 1500 | |
| Max Flow 2) | At nmax0.09 Qmax 0.09(l/min) | 76 | 76 | 124 | 125 | 162 | 165 | 192 | 197 | 254 | 256 | 340 | 430 | 543 |
| At nmax0.10 Qmax 0.10(l/min) | 82 | 82 | 132 | 133 | 170 | 174 | 204 | 208 | 268 | 272 | 364 | 455 | 582 | |
| At nmax0.15 Qmax 0.15(l/min) | 94 | 98 | 146 | 160 | 191 | 213 | 227 | 254 | 301 | 326 | 449 | 568 | 728 | |
| Max Power P=35MPa | At Qmax 0.09 Pmax 0.09(kW) | 46 | 46 | 75 | 75 | 97 | 99 | 115 | 119 | 153 | 154 | 204 | 259 | 327 |
| At Qmax 0.10 Pmax 0.10(kW) | 49 | 49 | 79 | 80 | 102 | 105 | 122 | 125 | 161 | 164 | 219 | 274 | 350 | |
| At Qmax 0.15 Pmax 0.15(kW) | 57 | 59 | 89 | 96 | 115 | 128 | 137 | 153 | 181 | 196 | 270 | 342 | 438 | |
| FlowQ 2) | At nE =1450r/min(l/min) | 28.2 | 39.5 | 56.4 | 77.1 | 82.3 | 112.5 | 110 | 150.5 | 164.6 | 225 | 351.6 | 499 | 703 |
| Power PP=35MPa | At nE =1450r/min(kW) | 17 | 24 | 34 | 46 | 50 | 68 | 66 | 91 | 99 | 135 | 211 | 300 | 423 |
| Torque MP=10MPa | At Vgmax(N.m/10MPa) | 32.6 | 44.7 | 63.8 | 87.1 | 93 | 127.2 | 124 | 170.1 | 186 | 254.4 | 397.5 | 564.5 | 795 |
| At Vgmin(N.m/10MPa) | - | 12.9 | - | 25.1 | - | 36.7 | - | 49 | - | 73.3 | - | - | - | |
| Max Torque Mmax P=35MPa | At Vgmax (N.m) | 114 | 156 | 233 | 305 | 326 | 445 | 434 | 595 | 651 | 890 | 1391 | 1976 | 2783 |
| At Vgmin(N.m) | - | 45 | - | 88 | - | 129 | - | 171 | - | 275 | - | - | - | |
| Weight | (kg) | 19 | 19 | 28 | 28 | 44 | 44 | 53 | 53 | 76 | 76 | 105 | 165 | 245 |
Applications:
Our pumps are mainly used for construction machinery, geological drilling equipment, special vehicles,mining machinery, lifting and transporting equipment, cranes, ship machinery, agricultural and forestry machinery, and so on.
Multi - Purpose High Efficiency Hydraulic Piston Pump A7V For Dump Truck
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