Hydraulic Pump for Concrete Mixer Truck
Specifications
Product overview:1.small volume,light weight,big power/weight ratio
2.Metric screw thread
Product overview:
1.small volume,light weight,big power/weight ratio
2.for ERA4VTG071 and ERA4VTG090:same body,same control system,same adjust method,same assemble size
3.the inlet port can revolve 180 degree,meet any different installation requirements.
4.spline shaft with drive flange,connect with cardan shaft(the standard flange diameter is 100mm)
5.Metric screw thread
Technical Parameter
| specification | NG | 71 | 90 |
| output volume | variable pump Vg max cm3 | 71 | 90 |
| slippage pump(P=20ba) Vg sp cm3 | 20.5 | 27 | |
| speed | Vg max nnom rmp | 3300 | 3050 |
| min speed nnim rmp | 500 | 500 | |
| flow | nnomH and Vg max qv max l/min | 234 | 275 |
| power1) | ΔP=400bar Pmax KW | 156 | 183 |
| torgue1) | Vg max&ΔP=400bar Tmax Nm | 452 | 573 |
| Vg max&ΔP=400bar T Nm | 113 | 143 | |
| rotational stiffness | drive sahft V8 c Nm/rad | 120900 | - |
| drive shaft V9 c Nm/rad | - | 150896 | |
| rotator inertia | JGR Kgm2 | 0.0097 | 0.0149 |
| max angular acceleration2) | α rad/S2 | 21000 | 18000 |
| oil filling capacity | V L | 1.3 | 1.2 |
| mass(approximation) | m kg | 51 | 53 |
installation size
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