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          The Impro Fluidtek orbital motors with the roller gear set design are resulting in a reliable, efficient and durable motor for diverse end markets.

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Home > Products > Orbital Motor > Light Duty Motor – Product Line WR

Light Duty Motor – Product Line WR

The WR Series motors incorporate the latest advances for smooth performance, efficiency and durability. Featuring an optimized rotor geometry with seven precision rollers to eliminate sliding friction and provide rolling contact between the rotor and stator, thus increasing motor efficiency. A three-zone spool valve, integral check valves and a provision for a case drain reduce pressure on internal seals to improve product life. A wide variety of mounting, shaft, motor displacement and porting options are available to meet all application needs.

Features / Benefits

  • A variety of mounts and shafts provides flexibility in application design.
  • A high pressure shaft seal offers superior seal life and performance.
  • The spool valve design gives superior performance and smooth operation over a wide speed and torque range.
  • Built-in check valves in the housing offer versatility and increased seal life.
  • Optimized rotor geometry provides a smooth running highly efficient product.
  • Sensoring optional.

Attachments

Data Sheet
WR Series
CAD File (.stp)
WR 251&252 WR 255&256

Technical Data

  • Metric Units
  • U.S. Units
* Note the table below is the metric unit table
Product Code Displacement
[cm³/rev]
Max. Speed [RPM] Max. Flow [l/min] Max. Torque [Nm] Max. Pressure [bar]
cont. inter. cont. inter. cont. inter. cont. inter. peak
WR 040 40 1116 1515 45 61 93 123 155 207 224
WR 050 50 1058 1220 53 61 111 149 155 207 224
WR 060 59 890 1142 53 68 138 172 155 207 224
WR 070 71 865 1078 61 76 176 207 172 207 241
WR 080 79 759 957 61 76 202 243 172 207 241
WR 090 88 691 864 61 76 222 263 172 207 241
WR 100 100 610 760 61 76 246 289 172 207 241
WR 115 113 539 672 61 76 284 327 172 207 241
WR 130 129 472 588 61 76 316 375 172 207 241
WR 160 160 379 469 61 76 400 454 172 207 241
WR 200 198 308 384 61 76 462 544 172 207 241
WR 240 236 249 315 61 76 548 642 172 207 224
WR 250 250 250 300 61 76 561 624 172 207 224
WR 290 291 210 256 61 76 526 664 138 190 207
WR 320 322 188 235 61 76 518 690 121 172 190
WR 400 400 152 190 61 76 551 698 104 138 155
Performance data is typical. Performance of production units varies slightly from one motor to another. Running at intermittent ratings should not exceed 10% of every minute of operation.
General
Temperature Range -30°C – 85°C Optimal Viscosity20 – 43 cSt FiltrationMin. ISO 17-14
* Note the table below is the US unit table
Product Code Displacement
[in³/rev]
Max. Speed [RPM] Max. Flow [gpm] Max. Torque [lb-in] Max. Pressure [psi]
cont. inter. cont. inter. cont. inter. cont. inter. peak
WR 040 2.5 1116 1515 12 16 823 1088 2250 3000 3250
WR 050 3.1 1058 1220 14 16 982 1319 2250 3000 3250
WR 060 3.6 890 1142 14 18 1221 1522 2250 3000 3250
WR 070 4.3 865 1078 16 20 1558 1832 2500 3000 3500
WR 080 4.9 759 957 16 20 1788 2150 2500 3000 3500
WR 090 5.4 691 864 16 20 1965 2327 2500 3000 3500
WR 100 6.1 610 760 16 20 2177 2558 2500 3000 3500
WR 115 6.9 539 672 16 20 2513 2894 2500 3000 3500
WR 130 7.9 472 588 16 20 2797 3319 2500 3000 3500
WR 160 9.8 379 469 16 20 3540 4018 2500 3000 3500
WR 200 12.1 308 384 16 20 4088 4814 2500 3000 3500
WR 240 14.4 249 315 16 20 4850 5682 2500 3000 3250
WR 250 15.3 250 300 16 20 4965 5522 2500 3000 3250
WR 290 17.8 210 256 16 20 4655 5876 2000 2750 3000
WR 320 19.6 188 235 16 20 4584 6106 1750 2500 2750
WR 400 24.4 152 190 16 20 4873 6177 1500 2000 2250
Performance data is typical. Performance of production units varies slightly from one motor to another. Running at intermittent ratings should not exceed 10% of every minute of operation.
General
Temperature Range -22°F – 185°F Optimal Viscosity100 – 200 S.U.S. FiltrationMin. ISO 17-14

Typical Applications

  • Conveyors
  • Positioners
  • Light-duty wheel drives
  • Sweepers
  • Food processing
  • Grain augers
  • Spreaders
  • Feed rollers
  • Screw drives
  • Brush drives
  • And more

Markets

Agricultural & Forestry Machines
Commercial & Road Vehicles
Material Handling & Equipment
Bulk Materials Handling

Products

  • Orbital Motor
  • Brake & Release Pump

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