Hydro Dowty Gear Pump Jihostroj QHD2
Hydro Dowty Gear Pump Jihostroj QHD2:
| Nominal Size Parameters | Sym. | Unit | QHD2
43 |
QHD2
51 |
QHD2
56 |
QHD2
61 |
QHD2
71 |
QHD2
82 |
QHD2
90 |
QHD2
100 |
QHD2
110 |
QHD2
125 |
QHD2
150 |
|
| Actual displacement | Vg | [cm3] | 43.57 | 51.81 | 56.52 | 61.23 | 71.83 | 82.43 | 90.67 | 100.09 | 110.69 | 125.99 | 150.72 | |
| Rotation speed | nominal | nn | [min-1] | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 |
| minimum | nmin | [min-1] | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 350 | 350 | 250 | 250 | |
| maximum | nmax | [min-1] | 3200 | 3200 | 3200 | 3200 | 3200 | 3000 | 2800 | 2700 | 2600 | 2400 | 2000 | |
| Pressure at inlet* | minimum | p1min | [bar] | -0,3 | -0,3 | -0,3 | -0,3 | -0,3 | -0,3 | -0.3 | -0.3 | -0.3 | -0.3 | -0.3 |
| maximum | p1max | [bar] | 0,5 | 0,5 | 0,5 | 0,5 | 0,5 | 0,5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| Pressure at outlet** | max. continuous | p2n | [bar] | 280 | 280 | 280 | 270 | 260 | 260 | 240 | 230 | 210 | 190 | 170 |
| maximum | p2max | [bar] | 300 | 300 | 300 | 290 | 280 | 280 | 260 | 250 | 230 | 210 | 190 | |
| peak | p3 | [bar] | 310 | 310 | 310 | 300 | 290 | 290 | 270 | 260 | 240 | 220 | 200 | |
| Nominal flow rate (min.) at nn and p2n | n | [dm3 .min-1] | 60.4 | 69.9 | 76.3 | 82.7 | 99.1 | 116.2 | 127.8 | 141.1 | 156.1 | 177.6 | 212.5 | |
| Maximum flow rate at nmax a p2max | max | [dm3 .min-1] | 136.6 | 162.5 | 177.2 | 192 | 225.3 | 242.3 | 248.8 | 264.8 | 282 | 296.3 | 295.4 | |
| Nominal input power (max.) at nn and p2n | n | [kW] | 36.1 | 44.8 | 48.8 | 51 | 56.4 | 63.3 | 64.3 | 68 | 68.7 | 70.7 | 75.7 | |
| Maximum input power at nmax a p2max | max | [kW] | 79 | 94 | 102.5 | 107.4 | 121.6 | 130.8 | 124.7 | 127.7 | 125.1 | 120 | 108.2 | |
| Weight | m | [kg] | – | – | – | – | – | – | – | – | – | – | – | |
Displacement Range: The QHD2 gear pump offers a diverse range of displacement options, ranging from 4 cc/rev to 80 cc/rev, allowing for precise control of hydraulic fluid flow.
Pressure Rating: The pump is designed to handle a maximum pressure of up to 250 bar, ensuring reliable performance even in demanding applications.
Speed Range: The recommended operating speed for the QHD2 gear pump typically ranges from 800 RPM to 3000 RPM, providing flexibility for different operational requirements.
Mounting Options: The QHD2 gear pump supports both flange-mounted and foot-mounted configurations, enabling easy installation in various hydraulic systems.
Fluid Compatibility: It is compatible with a wide range of hydraulic fluids, including mineral oils, synthetic oils, and biodegradable fluids, ensuring adaptability to different working conditions.
Efficiency: The QHD2 pump demonstrates high overall efficiency, typically ranging from 88% to 92%, optimizing energy usage and reducing operational costs.
Noise and Vibration Levels: With advanced design features, the QHD2 pump operates with minimal noise and vibration levels, providing a quiet and smooth operation.
Durability and Reliability: Constructed with high-quality materials and precision engineering, the QHD2 pump offers excellent durability and reliability, resulting in long service life and reduced maintenance needs.
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