Nippon Oil Pump NOP
Nippon Oil Pump Orbmark Motor ORB-PB High Power Motor
Manufacturer: Nippon Oil Pump Co., Ltd.
Model: ORB-PB
Features
- Hydraulic motor with built-in reducer and brake
- Hybrid power motor with reducer and mechanical brake
- Made in Japan quality
- Space saving design due to integration of motor/brake/reducer
- 4 times high torque due to built-in reducer (1/4)
- Anti self-actuating structure by mechanical brake (brake torque: 800N・m)
Specifications
- Reduction ratio:1/4
- Max. flow rate: 70L/min (15.39gal/min)
- Radial load capacity: 9800N
- Thrust load capacity: 8670N
- Relief pressure: 1.0MPa (145.04 psi)
- Brake torque: 800N・m
| Size | Theoretical Displacement (cm3/rev) | Normal Continuous Revolution (rpm) | Normal Continuous Flow rate ℓ/min (US gal/min) | Max. Instantaneous Flow rate ℓ/min (US gal/min) | Normal Continuous Torque (N・m) | Max. Instantaneous Torque (N・m) | Normal Continuous Pressure △P MPa (psi) | Max. Instantaneous Pressure △P MPa (psi) | Permissible Back Pressure MPa (psi) | Approx. Weight kg (lbs) |
|---|---|---|---|---|---|---|---|---|---|---|
| 050 | 54.0 | 259 | 57 (15.06) | 68 (17.96) | 440 | 540 | 15.5 (2248.09) | 19.0 (2755.72) | 7 (1015.27) *Note 4 | 31.0 (68.34) |
| 070 | 71.4 | 198 | 70 (18.49) | 612 | 732 | 31.1 (68.56) | ||||
| 100 | 98.5 | 147 | 840 | 984 | 31.3 (69.00) | |||||
| 120 | 118.4 | 120 | 1000 | 1200 | 18.5 (2683.20) | 31.5 (69.45) | ||||
| 130 | 129.0 | 110 | 1300 | 14.0 (2030.53) | 31.6 (69.67) | |||||
| 160 | 165.3 | 87 | 10.5 (1522.90) | 14.5 (2103.05) | 31.9 (70.33) | |||||
| 190 | 189.8 | 77 | 9.5 (1377.86) | 12.7 (1841.98) | 32.0 (70.55) | |||||
| 205 | 205.0 | 68 | 8.5 (1232.82) | 11.5 (1667.94) | 32.2 (70.99) | |||||
| 240 | 235.5 | 60 | 7.5 (1087.79) | 9.8 (1421.37) | 32.4(71.43) | |||||
| 280 | 282.5 | 50 | 6.5 (942.75) | 8.2 (1189.31) | 32.8 (72.31) | |||||
| 310 | 306.9 | 46 | 6.0 (870.23) | 7.5 (1087.79) | 33.0 (72.75) | |||||
| 380 | 376.4 | 38 | 4.5 (652.67) | 6.3 (913.74) | 33.5 (73.85) | |||||
| 410 | 409.9 | 35 | 5.7 (826.72) | 33.8 (74.52) |
- 1: Do not drive motor with max. torque/max. pressure in more than 6 seconds.
- 2: Recommended hydraulic oil: ISO-VG32 or same class.
- 3: Max. input pressure must be less than 21MPa (3045.80psi).
- 4: Max.permissible back pressure is 7MPa (1015.27psi), but in the case of operating with more than 1.8MPa (261.07psi), drain piping is required to protect oil sealing.
- 5: To release brake surely, secure the pressure which must be larger than relief pressure when motor is actuated.
- 6: If pressure remains in pilot port, brake doesn’t work rightly.
- 7: Displacement capacity per one rotation is 4 times larger than above theoretical displacement.
- 8: ΔP means differential pressure.
- 9: Unit weight of 4 bolt flange model is 2.1kg(4.63lbs) heavier than above weight.
- 10: Gear oil is filled by NOP® factory before shipping out.
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