Eternal Hydraulic Danfoss Series 90 Piston Pump/Motor
Danfoss Series 90 hydrostatic piston pump and motor can be applied together or combined with other products in a system to transfer and control hydraulic power.They are intended for closed circuit applications.
MODLE CODE
| Feature | Unit | Frame | ||||||
|---|---|---|---|---|---|---|---|---|
| 042 | 055 | 075 | 100 | 130 | 180 | 250 | ||
| Displacement | cm3/rev. [in3]/rev. |
42 [256] |
55 [3.35] |
75 (4.59] |
100 [6.10] |
130 (7.93] |
180 (10.98) |
250 [15.25] |
| Flow at rated speed (theoretical) |
l/min. [US gal/min] |
176 [46] |
215 [57] |
270 [71] |
330 [87] |
403 [106] |
468 [124] |
575 [160] |
| Torque at maximum displacement (theoretical) |
N*m/bar [lbf.in/1000 psi] |
0.67 [410] |
0.88 [530] |
1.19 [730] |
1.59 [970] |
2.07 [1260] |
2.87 [1750] |
3.97 [2433] |
| Mass moment of inertia of rotating components |
kg *m2 [slug*ft2] |
0.0023 [0.0017] |
0.0060 [0.0044] |
0.0096 [0.0071] |
0.0150 [0.0111] |
0.023 [0.0170] |
0.0380 [0.0280] |
0.0650 [0.0479] |
| Weight (with control opt .MA) | kg [lb] | 34[75] | 40 [88] | 49[108] | 68[150] | 88[195] | 136 [300] | 154 [340] |
| Mounting (per ISO 3019-1) | Flange 102-2 (SAE B) |
Flange 127-4 (SAEC) |
Flange 152-4 (SAE D) |
Flange 165-4 (SAE E) |
||||
| Rotation | Right hand or Left hand rotation | |||||||
| Main ports:4-bolt split-flange (per SAE J518 code 62) |
mm [in] |
19.05 [0.75] |
25.4 [1.0] |
25.4 (1.0] |
25.4 (1.0) |
31.75 [125] |
31.75 [1.25) |
38.1 (1.5) |
| Main port configuration | Twin poet | Twin or side port | Twin port | |||||
| Case drain ports (SAE O-ring boss) | UNF thread（in） | 0.875-14 | 1.0625-12 | 1.0625-12 | 1.0625-12 | 1.3125-12 | 1.625-12 | 1625-12 |
| Other ports | SAE O-ring boss | |||||||
| Shafts | Splined, and tapered shafts available | |||||||
| Auxiliary mounting | SAE-A.B.C | SAE-A.B.C.D | SAE-A.B,CD.E | |||||
INSTALLATION SIZE
TECHNICAL PARAMETERS
| Parameter | Unit | Frame | ||||||
|---|---|---|---|---|---|---|---|---|
| 042 | 055 | 075 | 100 | 130 | 180 | 250 | ||
| Input speed | ||||||||
| Minimum | min-3(rpm) | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
| Rated Speed | 4200 | 3900 | 3600 | 3300 | 3100 | 2600 | 2300 | |
| Maximum | 4600 | 4250 | 3950 | 3650 | 3400 | 2850 | 2500 | |
| System pressure | Maximum working pressure | bar | [psi] | 450 | [6525] | |
|---|---|---|---|---|---|---|
| Maximum pressure | 480 | [6960] | ||||
| Maximum low loop | 45 | [650] | ||||
| Minimum low loop pressure | 10 | [145] | ||||
| Charge pressure | Minimum | bar | [psi] | 18 | [261] | |
| Maximum | 34 | [493] | ||||
| Control pressure | Minimum (at corner power for EDC and FNR) | bar | [psi] | 14 | [203] | |
| Minimum (at corner power for NFPE) | 22 | [319] | ||||
| Maximum | 40 | [580] | ||||
| Charge pump inlet pressure | Rated | bar (absolute) | [in Hg vacuum] | 0.7 | [9] | |
| Minimum (cold start) | 02 | [24] | ||||
| Maximum | bar | [psi] | 4.0 | [58] | ||
| Case pressure | Rated | bar | [psi] | 3.0 | [44] | |
| Maximum | 5.0 | [73] | ||||
| Lip seal external pressure | Maximum | bar | [psi] | 0.4 | [15.8] | |
→Danfoss Series 90 Axial Piston Pump PDF
APPLICATION
- Series 90 – advanced technology
- Seven sizes of variable displacement pumps
- Proven reliability and performance
- Compact, lightweight
- Worldwide sales and service
- PLUS+1™ compliant controls and sensors
Series 90 variable displacement pumps are compact, high power density units. All models utilize the parallel axial piston/slipper concept in conjunction with a tiltable swashplate to vary the pump’s displacement. Reversing the angle of the swashplate reverses the flow of oil from the pump and thus reverses the direction of rotation of the motor output. Series 90 pumps include an integral charge pump to provide system
replenishing and cooling oil flow, as well as control fluid flow.They also feature a range of auxiliary mounting pads to accept auxiliary hydraulic pumps for use in complementary hydraulic systems.A complete family of control options is available to suit a variety of control systems (mechanical, hydraulic, electric). Series 90 motors also use the parallel axial piston/slipper design in conjunction with a fixed or tiltable swashplate.They can intake/discharge fluid through either port; they are bidirectional.They also include an optional loop flushing feature that provides additional cooling and cleaning of fluid in the working loop.