Nippon Oil Pump NOP
Nippon Oil Pump Orbmark Motor ORB-A
Manufacturer: Nippon Oil Pump Co., Ltd.
Model: ORB-A
Features
- NOP® hydraulic motor with world standard specs
- Made in Japan quality
- High durability because of heat-shock guard design
- Unique and tough structure against oil leaking
Specifications
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|
| 080 | 78 | 846 | 68 (17.96) | 68 (17.96) | 235 | 343 | 21.0 (3045.80) | 30.9 (4481.67) | 7 (1015.27) *Note 5 | 10.1 (22.27) |
| 100 | 97 | 690 | 69 (18.23 ) | 87 (22.98) | 288 | 384 | 28.0 (4061.06) | 10.3 (22.71) | ||
| 125 | 123 | 552 | 70 (18.49) | 95 (25.10) | 365 | 476 | 10.6 (23.37) | |||
| 160 | 158 | 460 | 75 (19.81) | 449 | 588 | 10.9 (24.03) | ||||
| 200 | 195 | 373 | 551 | 717 | 11.1 (24.47) | |||||
| 250 | 244 | 298 | 680 | 821 | 26.0 (3770.99) | 11.8 (26.01) | ||||
| 290 | 288 | 253 | 737 | 834 | 20.0 | 23.0 (3335.87) | 12.2 (26.90) | |||
| 315 | 306 | 238 | 744 | 848 | 19.0 | 22.0 (3190.84) | 12.4 (27.34) | |||
| 390 | 393 | 185 | 767 | 874 | 15.0 | 16.5 (2393.13) | 13.2 (29.10) | |||
| 410 | 410 | 177 | 774 | 884 | 14.5 | 16.0 (2320.61) | 13.0 (28.66) |
- 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: If φ1” shaft is used, it is highly recommended to actuate motor under condition that output torque doesn’t exceed 280N・m.
- 4: Max. input pressure must be less than 30.9MPa (4481.67psi) and do not exceed max. output torque.
- 5: Max.permissible back pressure is 7MPa (1015.27psi), but in the case of operating with more thn 1.8MPa (261.07psi), drain piping is required to protect oil sealing.
- 6: ΔP means differential pressure.
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