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GRH has GP, GR, GH, GS, GT, GV, GGM series orbital motors, GS series orbital motor is a hydraulic motor with a disk distribution orbital motor. This series of motors uses a built-in rotor and stator set design. It has the characteristics of high working pressure, high working efficiency, and long working life. Multi-functional variant design can be carried out on the basis of standard structure according to different application requirement. Its characteristics:
• Adopting advanced rotor and stator parameter design, low starting pressure, high efficiency and good retention.
• High working pressure and large output torque. The tapered roller bearing structure is adopted, which has strong bearing capacity of shaft and radial load, so that the motor can directly drive the working mechanism, for a wider range of applications.
• The disk distribution structure makes the motor distribution accuracy high, and the automatic compensation ability after wear is strong, ensuring high volumetric efficiency and long motor life, ensuring stable motor speed and stable load speed characteristics
Specification
| Type | GS80 | GS100 | GS125 | GS160 | GS200 | |
| Displacement (cm3/rev) | 80,5 | 100 | 125,7 | 159,7 | 200 | |
| Max. Speed,
(RPM) |
Cont. | 810 | 750 | 600 | 470 | 375 |
| Int.* | 1000 | 900 | 720 | 560 | 450 | |
| Max. Torque
(Nm) |
Cont. | 240 | 305 | 375 | 490 | 610 |
| Int.* | 310 | 390 | 490 | 600 | 720 | |
| Max. Output
(kW) |
Cont. | 15,5 | 18 | 18 | 16,5 | 16,5 |
| Int.* | 19,5 | 22,8 | 22,5 | 23 | 22 | |
| Max. Pressure Drop
(Mpa) |
Cont. | 21 | 21 | 21 | 21 | 21 |
| Int.* | 27,5 | 27,5 | 27,5 | 27,5 | 27,5 | |
| Peak** | 29,5 | 29,5 | 29,5 | 29,5 | 29,5 | |
| Max. Oil Flow
(lpm) |
Cont. | 65 | 75 | 75 | 75 | 75 |
| Int.* | 80 | 90 | 90 | 90 | 90 | |
| Max. Inlet Pressure
(Mpa) |
Cont. | 23 | 23 | 23 | 23 | 23 |
| Int.* | 29,5 | 29,5 | 29,5 | 29,5 | 29,5 | |
| Peak** | 30 | 30 | 30 | 30 | 30 | |
| Max. Return Pressure with Drain Line
(Mpa) |
Cont. | 14 | 14 | 14 | 14 | 14 |
| Int.* | 17,5 | 17,5 | 17,5 | 17,5 | 17,5 | |
| Peak** | 21 | 21 | 21 | 21 | 21 | |
| Max. Starting Pressure with Unloaded Shaft
(Mpa) |
1,2 | 1 | 1 | 0,8 | 0,8 | |
| Min. Starting Torque
(Nm) |
At max. press. drop Cont. | 180 | 230 | 290 | 370 | 470 |
| At max. press. drop Int.* | 235 | 300 | 380 | 460 | 560 | |
| Min. Speed***,
(RPM) |
10 | 10 | 8 | 8 | 6 | |
| Weight
(kg) |
GS | 9,9 | 10,1 | 10,4 | 10,8 | 11,2 |
| For rear ports
+0,40 |
GSS | 7,9 | 8.1 | 8,4 | 8,8 | 9,2 |
| Max. Return Pressure with Drain Line
Type |
GS250 | GS315 | GS400 | GS455 | GS525 | GS565 | |
| Displacement (cm3/rev) | 250 | 314,9 | 397 | 474,6 | 522,7 | 564,9 | |
| Max. Speed,
(RPM) |
Cont. | 300 | 240 | 190 | 160 | 145 | 130 |
| Int.* | 360 | 290 | 230 | 190 | 175 | 160 | |
| Max. Torque
(Nm) |
Cont. | 720 | 825 | 865 | 850 | 850 | 850 |
| Int.* | 870 | 1000 | 990 | 990 | 990 | 990 | |
| Max. Output
(kW) |
Cont. | 14,5 | 15 | 11 | 8,4 | 7,6 | 6,9 |
| Int.* | 18 | 17 | 12 | 11,3 | 10,4 | 9,6 | |
| Max. Pressure Drop
(Mpa) |
Cont. | 20 | 20 | 16 | 13 | 11,5 | 10,5 |
| Int.* | 25 | 24 | 19 | 15 | 13,5 | 12,5 | |
| Peak** | 27 | 26 | 21 | 17 | 15,5 | 14,5 | |
| Max. Oil Flow | Cont. | 75 | 75 | 75 | 75 | 75 | 75 |
| (lpm) | Int.* | 90 | 90 | 90 | 90 | 90 | 90 |
| Max. Inlet Pressure(Mpa) | Cont. | 23 | 23 | 23 | 23 | 23 | 23 |
| Int.* | 29,5 | 29,5 | 29,5 | 29,5 | 29,5 | 29,5 | |
| Peak** | 30 | 30 | 30 | 30 | 30 | 30 | |
| Max. Return Pressure with Drain Line
(Mpa) |
Cont. | 14 | 14 | 14 | 14 | 14 | 14 |
| Int.* | 17,5 | 17,5 | 17,5 | 17,5 | 17,5 | 17,5 | |
| Peak** | 21 | 21 | 21 | 21 | 21 | 21 | |
| Max. Starting Pressure with Unloaded Shaft (Mpa) | 8 | 8 | 8 | 8 | 8 | 8 | |
| Min. Starting Torque
(Nm) |
At max. press. drop Cont. | 560 | 710 | 710 | 710 | 710 | 710 |
| At max. press. drop Int.* | 700 | 850 | 840 | 840 | 840 | 840 | |
| Min. Speed***,
(RPM) |
6 | 5 | 5 | 5 | 5 | 5 | |
| Weight(kg) | GS | 11,7 | 12,4 | 13,1 | 14,1 | 14,1 | 15 |
| For rear ports
+0,40 |
GSS | 9,7 | 10,4 | 11,3 | 12,1 | 12,1 | 13 |
Dimensions
GRH GS series orbital motors are widely used in conveying machinery, metal processing machinery, textile machinery, agricultural machinery, road paving machines, mining and food industries.
GRH,design and manufacture high-quality hydraulic components and system solutions.
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