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Product

GR Series Orbital Motor

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The GR series orbital motor is a shaft distribution hydraulic motor. This series motors uses a built-in roller type rotor and stator set, a bit different from traditional OMR motor, and has a structure that works under higher pressure and can automatically compensate, so that the whole machine has a more efficient maintenance, longer working life.

? Based upon the world's current rotor and stator  design,  the new designed GR series motor features :

The starting pressure is low, the efficiency is high, and the maintenance is good, and the operation is stable.

? The high-pressure shaft seal is adopted, which can bear high back pressure, allowing series and parallel use.

? Linkage shaft structure design, the motor has a long service life.

? Optimized design of the distribution system parameters to meet the requirements of low noise.

? The motor structure is compact and easy to install.

Specification

Technical data for GR with 25 and 1 in and 1 in splined and 28.56 tapered shaft

Type GR50 GR80 GR100 GR125 GR160 GR200 GR250 GR315 GR400
Displacement

cm3/rev[in3/rev]

 51,5 80,3 99,8 125,7 159,6 199,8 250,1 315,7 397
[3.14] [4.90] [6.09] [7.67] [9.74] [12.19] [15.26] [19.26] [24.4]
Max. Speed,

[RPM]

 Cont. 775 750 600 475 375 300 240 190 150
Int.* 970 940 750 600 470 375 300 240 190
Max. Torque

daNm[lb-in]

 Cont. 10[900] 20[1770] 24[2125] 30[2665] 39[3450] 38,5[3410] 39[3450] 36[3185] 38[3360]
斷續(xù) 13[1150] 22[1947] 28[2480] 34[3010] 43[3805] 46[4070] 47[4160] 47[4160] 47[4160]
峰值 17[1505] 27[2390] 32[2832] 37[3275] 46[4070] 56[4960] 60[5310] 61[5400] 61[5400]
Max. Output

kW[HP]

 Cont. 7[9.5] 12,5[17] 13[17.4] 12,5[16.8] 11,5[15.4] 9[12] 8[10.7] 5[6.7] 4,8[6.4]
斷續(xù) 8,5[11.9] 15[20.1] 15[20.1] 14,5[19.5] 14[18.8] 12[16.1] 9,5[12.7] 8[10.7] 6,8[9.1]
Max. Pressure Drop

bar[PSI]

 Cont. 140[2030] 175[2540] 175[2540] 175[2540] 175[2540] 140[2030] 110[1600] 85[1230] 65[940]
斷續(xù) 175[2540] 200[2900] 200[2900] 200[2900] 200[2900] 175[2540] 140[2030] 115[1670] 90[1300]
峰值 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 200[2900] 150[2175] 115[1670]
Max. Oil Flow

lpm[GPM]

 Cont. 40[10.5] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8]
?斷續(xù) 50[13.2] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8]
Max. Inlet Pressure

bar[PSI]

 Cont. 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540]
斷續(xù) 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900]
峰值 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260]
Max. Return Pressure with Drain Line

bar[PSI]

 Cont. 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540]
斷續(xù) 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900]
峰值 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260]
Max. Starting Pressure with Unloaded Shaft

[bar PSI]

 10[145] 10[145] 10[145] 9[130] 7[102] 5[73] 4[58] 3[44] 3[44]
Min. Starting Torque

daNm[lb-in]

 At max. press. drop Cont. 8[710] 15[1330] 20[1770] 25[2215] 32[2832] 33[2920] 31[2740] 31,5[2875] 31,5[2875]
At max. press. drop Int.* 10[85] 17[1505] 23[2035] 28[2480] 37[3275] 40[3540] 48[4250] 58[5220] 50[4425]
Min. Speed***,

[RPM]

 10 10 10 10 10 10 10 10 10
Weight [kg lb]For rear ports

+0,650[1.433] GR（S)

 6,8[15] 6,9[15.2] 7,2[15.9] 7,3[16.1] 7,5[15.2] 8[17.6] 8,4[18.5] 9,1[20] 9,8[21.6]

Technical data for GR with 31.75 and 32 shaft

Type GR50 GR80 GR100 GR125 GR160 GR200 GR250 GR315 GR400
Displacement

cm3/rev[in3/rev]

 51,5[3.14] 80,3[4.90] 99,8[6.09] 125,7[7.67] 159,6[9.74] 199,8[12.19] 250,1[15.26] 315,7[19.26] 397[24.4]
Max. Speed,

[RPM]

 Cont. 775 750 600 475 375 300 240 190 150
Int.* 970 940 750 600 470 375 300 240 190
Max. Torque

daNm[lb-in]

 Cont. 10[900] 20[1770] 24[2125] 30[2665] 39[3450] 45[4000] 54[4780] 55[4870] 61[5400]
Int.* 13[1150] 22[1947] 28[2480] 34[3010] 43[3805] 50[4425] 61[5400] 69[6110] 69[6110]
Peak** 17[1505] 27[2390] 32[2832] 37[3275] 46[4070] 56[4960] 71[6280] 84[7435] 87[7700]
Max. Output

kW[HP]

 Cont. 7[9.5] 12,5[17] 13[17.4] 12,5[16.8] 11,5[15.4] 11[14.8] 10[13.4] 9[12] 7,8[10.5]
Int.* 8,5[11.9] 15[20.1] 15[20.1] 14,5[19.5] 14[18.8] 13[17.4] 12[16.1] 10[13.4] 10,6[14.2]
Max. Pressure Drop

bar[PSI]

 Cont. 140[2030] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 135[1960] 110[1600]
Int.* 175[2540] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 175[2540] 140[2030]
Peak** 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 210[3045] 175[2540]
Max. Oil Flow

lpm[GPM]

 Cont. 40[10.5] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8] 60[15.8]
Int.* 50[13.2] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8] 75[19.8]
Max. Inlet Pressure

bar[PSI]

 Cont. 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540]
Int.* 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900]
Peak** 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260]
Max. Return Pressure with Drain Line

bar[PSI]

 Cont. 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540] 175[2540]
Int.* 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900] 200[2900]
Peak** 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260] 225[3260]
Max. Starting Pressure with Unloaded Shaft

[bar PSI]

 10[145] 10[145] 10[145] 9[130] 7[102] 5[73] 4[58] 3[44] 3[44]
Min. Starting Torque

daNm[lb-in]

 At max. press. drop Cont. 8[710] 15[1330] 20[1770] 25[2215] 32[2832] 41[3630] 50[4425] 50[4425] 50[4425]
At max. press. drop Int.* 10[885] 17[1505] 23[2035] 28[2480] 37[3275] 46[4070] 55[4870] 66[5840] 61[5400]
Min. Speed***,

[RPM]

 10 10 10 10 10 10 10 10 10
Weight [kg lb]

For rear ports

+0,650[1.433]

GR（S)

 6,9[15.2] 7[15.4] 7,3[16.1] 7,4[16.3] 7,6[15.4] 8,1[18.9] 8,5[18.7] 9,2[20.3] 9,9[21.8]

 

Dimensions

Applications

GRH GR series orbital motors are widely used in feeding machinery, metal processing machinery, textile machinery, agricultural machinery, ?forest machinery , food industry, and lawn mowers , conveying machines, robots and other rotation applications.

Application

Related Products

GRH,design and manufacture high-quality hydraulic components and system solutions.

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