| Pump Type | External Gear motor |
| Displacement Range | Min 22cc/rev, Max 45cc/rev |
| Pressure Rating | Rated Pressure 25Mpa, Max Pressure 28Mpa |
| Speed Range | Min 500 RPM, Max 3000 RPM |
| Material | Aluminum Alloy |
| Mounting Type | See offer drawing |
| Rotation | Counter-clockwise or clockwise |
| Key Features | High Performance |
| OEM Manufactured Compatibility | Rexroth |
| MOQ | 10 PCS |
| Size | 22 | 28 | 32 | 36 | 45 | ||||
| Displacement geometric,per revolution | Vg | cm³ | 22.5 | 28 | 32 | 36 | 45 | ||
| Motor inlet pressure | start up pressure | Pstart-up | bar | 50 | 50 | 50 | 50 | 50 | |
| maximum continuous pressure | p₁ | bar | 250 | 250 | 250 | 250 | 250 | ||
| maximum intermittent pressure1) | p₂ | bar | 280 | 280 | 280 | 280 | 280 | ||
| maximum pressure peak | p₃ | bar | 300 | 300 | 300 | 300 | 300 | ||
| minimum inlet pressure abs.2) | Pmin | bar | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | ||
| Motor output pressure | abs. | PA | bar | 3 | 3 | 3 | 3 | 3 | |
| upon start-up | PA | bar | 10 | 10 | 10 | 10 | 10 | ||
| Minimum rotational speed at |
v=12 mm²/s | p<100 bar | nmin | rpm | 500 | 500 | 500 | 500 | 500 |
| p=100…180 bar | nmin | rpm | 1200 | 1000 | 1000 | 1000 | 800 | ||
| p=180 bar….p2 | nmin | rpm | 1400 | 1400 | 1400 | 1200 | 1000 | ||
| V=25 mm²/s | at p₂ | nmin | rpm | 600 | 500 | 500 | 500 | 500 | |
| Maximum rotational speed | at p₁ | nmax | rpm | 3000 | 3000 | 2800 | 2800 | 2600 | |
| NG | Order number Direction of rotation |
Maximum intermittent pressure p₂ [bar] |
Maximum rotational speed [rpm] |
Dimensions | ||
| Counter-clockwise | Clockwise | A | B | |||
| 22 | 0511725317 | 0511725036 | 280 | 3000 | 60.9 | 124.6 |
| 32 | 0511725318 | 0511725037 | 280 | 2800 | 64.8 | 132.4 |
| 45 | 0511725319 | 0511725038 | 280 | 2600 | 70.1 | 143.1 |
| Symbol | Description |
| Vg | Displacement per revolution [cm³] |
| △p | Differential pressure [bar](△p=p₁-PA) |
| n | Rotational speed [rpm] |
| qv | Inlet flow [L/min] |
| M | Torque [Nm] |
| P | Power [kW] |
| ηv | Volumetric efficiency1) |
| ηhm | Hydraulic-mechanical efficiency²) |
| ηt | Total efficiency(ηt=ηv×ηhm)²) |
| Customization Item | Available Options |
| Drive Shafts | Tapered keyed shaft |
| Parallel keyed shaft (SAE) | |
| Splined shaft (SAE) | |
| Front covers | Rectangular flange spigot |
| 2-bolt flange SAE | |
| Port Connections | SAE flange connection |
| UN-thread acc. to IS0 11926-1/ASME B 1.1,0-ring¹) | |
| Square flange | |
| Sealing Materials | NBR (nitrile rubber) |
| FKM (fluoroelastomer) | |
| NBR (nitrile rubber) | |
| Direction of Rotation | Clockwise |
| Counter-clockwise |
