Hydraulic Sauer-Sundstrand axial piston motor MF20, MF21, MF22, MF23, MF24, MF25, MF26, MF27
Closed circuit.
Series 20,
Size: 20, 21, 22, 23, 24, 25, 26, 27.
Nominal pressure 210 bars, Maximum pressure 350 bars.
Features
- Suitable for a variety of applications
- Multiple displacements and options available
- 8 different frame sizes
- Engineered to provide a long service life and reliability
- Fixed displacement motor can be operated in either direction of rotation
- Multiple drive shaft options and control options
- Heavy duty bearings and shafts
- Easily serviceable
- Replacement parts also available
- Direct replacements for Sauer-Sundstrand
Table of values (theoretical values, without efficiency and tolerances; values rounded)
Size | Dimension | Sauer-Sundstrand MF motor | |||||||
MF20 | MF21 | MF22 | MF23 | MF24 | MF25 | MF26 | MF27 | ||
Max. displacement | cm3 | 33,3 | 51,6 | 69,8 | 89,0 | 118,7 | 165,8 | 227,3 | 333,7 |
Max. flow | dm3min-1 | 119,5 | 159,9 | 196,1 | 230,5 | 278,9 | 348,1 | 429,59 | 557,2 |
4 | 6 | 4 | 1 | 4 | 8 | 8 | |||
Charge motor | cm3 | 12,3 | 12,3 | 18,03 | 18,03 | 18,8 | 32,8 | 32,8 | 65,5 |
Max. pressure | MPa | 35 | |||||||
Nominal pressure | MPa | 21 | |||||||
Max. pressure of control | MPa | 3,5 | |||||||
Charge pressure | MPa | 0,8 - 2,0 | |||||||
Max. pressure in case | MPa | 0,25 continuous 0,5 intermittent | |||||||
Maximum speed + | min-1 | 3590 | 3100 | 2810 | 2590 | 2350 | 2100 | 1890 | 1670 |
Minimum speed | min-1 | 500 | |||||||
Nominal speed | min-1 | 1500 | |||||||
Kinematic viscosity range of working fluid
- starting - operating - optimum |
mm2s-1 |
1000 12 - 600 25 - 35 |
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Kind of working fluid | mineral oil | ||||||||
Operating temperature | oC | - 40 to + 50 | |||||||
Max. temperature of working fluid in tank | oC | 80 | |||||||
Purity of working fluid | µm | 10 | |||||||
Maximum swash plate angle | o | ± 18 o | |||||||
Weight | kg | 30 | 35 | 40 | 47 | 70 | 124 | 152 | 197 |