The crankshaft piston pump is a three-plunger pump driven by the crankshaft connecting rod, and the valve is assigned with a flow distribution method. Therefore, the utility model has the advantages of simple structure, convenient maintenance and strong anti-pollution, and is suitable for on-site working conditions. Mainly used in hydraulic oil medium systems. The plunger pump relies on the reciprocating motion of the plunger in the cylinder body to change the volume of the sealed working chamber to achieve oil absorption and pressure.
| Model | Working Pressure Mpa | ID mm |
Flow Rate L/Min |
Displacement ml/r |
Motor Power kW |
New Weightkg | Volume cm³ |
|---|---|---|---|---|---|---|---|
| QB21-80-25 | 21 | 40 | 46 | 82 | 18.5 | 190 | 81.5*44*30 |
| QB21-60-22 | 21 | 40 | 35 | 63 | 15 | 190 | 81.5*44*30 |
| QB21-47-19 | 21 | 40 | 20 | 52 | 11 | 190 | 81.5*44*30 |
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