Marine Equipment
QG Variable displacement pump
Feature 1、This product is an axial piston pump in swash plate design for hydrostatic drives in open circuit operation; 2、Its rated operating pressure is up to 31.5MPa, and&n...
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QG Variable displacement pump
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Feature
1、This product is an axial piston pump in swash plate design for hydrostatic drives in open circuit operation;
2、Its rated operating pressure is up to 31.5MPa, and the instantaneous high pressure can reach 40MPa;
3、Various displacements high power density;
4、Excellent suction performance;
5、New appearance,Excellent power/Weight ratio;
6、Low noise, Long lifespan;
7、The same mounting flange with CY pump and design for SAE oil flange.
Ordering Code
The Parameter List(theoretical values)
Model |
Displacement
|
Rated power(MPa) |
Rated power(r/min) |
1500rpm Max.power (KW) |
| QG25 | 25 | 31.5 | 1500 | 20 |
| QG28 | 28 | 31.5 | 1500 | 22 |
| QG32 | 32 | 31.5 | 1500 | 25 |
| QG40 | 40 | 31.5 | 1500 | 31 |
| QG45 | 45 | 31.5 | 1500 | 35 |
| QG55 | 55 | 31.5 | 1500 | 43 |
| QG63 | 63 | 31.5 | 1500 | 50 |
| QG71 | 71 | 31.5 | 1500 | 56 |
| QG80 | 80 | 31.5 | 1500 | 63 |
| QG90 | 90 | 31.5 | 1500 | 71 |
| QG95 | 95 | 31.5 | 1500 | 75 |
| QG100 | 100 | 31.5 | 1500 | 79 |
| QG107 | 107 | 31.5 | 1500 | 84 |
| QG125 | 125 | 31.5 | 1500 | 98 |
| QG140 | 140 | 31.5 | 1500 | 110 |
| QG160 | 160 | 31.5 | 1500 | 126 |
| QG180 | 180 | 31.5 | 1500 | 142 |
| QG200 | 200 | 31.5 | 1500 | 157 |
| QG250 | 250 | 31.5 | 1500 | 197 |
| QG280 | 280 | 31.5 | 1500 | 220 |
| QG300 | 300 | 31.5 | 1500 | 236 |
| QG320 | 320 | 31.5 | 1500 | 252 |
Suggested Dimensions of The Pipe and Pipe Joint
Model |
Inlet (mm) |
Service Line (mm) |
Drain port (mm) |
| QG25/28/32/40/45 | ≥φ35 | ≥φ20 | ≥φ10 |
| QG55/63/71/80/90 | ≥φ40 | ≥φ25 | ≥φ14 |
| QG95/100/107/125 | ≥φ50 | ≥φ32 | ≥φ16 |
| QG140/160/180/200 | ≥φ066 | ≥φ38 | ≥φ18 |
| QG250/280/300/320 | ≥φ90 | ≥φ50 | ≥φ28 |
Overall Dimension
Model |
A0 |
A1 |
A2 |
A3 |
A4 |
A5 |
A6 |
A7 |
A8 |
A9 |
A10 |
A11 |
A12 |
A13 |
A14 |
| QG25/28/32/40/45Y | 300 | 4 | 45 | 54 | 9 | 19 | 15 | 30 | 78 | M14x1.5 | φ125 | φ12 | 125 | 118 | 236 |
| QG55/63/71/80/90Y | 355 | 4 | 50 | 62 | 19 | 16 | 35 | 92 | M18x1.5 | φ155 | φ14 | 155 | 135 | 271 | |
| QG95/100/107/125Y | 385 | 4 | 60 | 70 | 21 | 16 | 35 | 97 | M22x1.5 | φ155 | φ18 | 155 | 144 | 294 | |
| QG140/160/180/200Y | 478 | 4 | 100 | 109 | 21 | 20 | 44 | 118 | M22x1.5 | φ198 | φ18 | 200 | 160.5 | 329 | |
| QG250/280/300/320Y | 567 | 5 | 100 | 113 | 21 | 25 | 75 | 170 | M33x2 | φ230 | φ24 | 230 | 192.5 | 392 | |
Model |
A15 |
A16 |
A17 |
A18 |
B1（f9） |
B2 |
B3（h6） |
B4 |
B5 |
B6 |
B7 |
B8 |
B9（h9） |
B10 |
B11 |
| QG25/28/32/40/45Y | 58.7 | 11 | 50.8 | 11 | φ100 | 33 | φ30 | 71 | φ42 | φ34 | φ20 | φ28 | 8 | 30.2 | 23.8 |
| QG55/63/71/80/90Y | 70 | 13 | 57.1 | 13 | φ120 | 42.8 | φ40 | 88 | φ50 | φ40 | φ25 | φ35 | 12 | 35.7 | 27.8 |
| QG95/100/107/125Y | 77.8 | 13 | 66.7 | 15 | φ120 | 42.8 | φ40 | 96 | φ60 | φ50 | φ32 | φ43 | 12 | 42.9 | 31.6 |
| QG140/160/180/200Y | 89 | 13.5 | 79.4 | 17 | φ150 | 59 | φ55 | 112.5 | φ76 | φ66 | φ38 | φ52 | 16 | 50.8 | 36.7 |
| QG250/280/300/320Y | 120.7 | 17 | 96.8 | 21 | φ180 | 63.9 | φ60 | 135 | φ100 | φ90 | φ50 | φ65 | 18 | 69.9 | 44.5 |
