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The SY2DFEE-3X/100-018/01156589+10969894 is supplied by Bosch Rexroth within the SYD Hydraulic Control Systems series and serves as a dual-pump assembly for hydraulic automation. The larger pump section offers a displacement of 100 cm³, allowing it to move a high volume of fluid with each revolution, while the smaller section delivers 18 cm³ per revolution for auxiliary circuits that need lower flow. Both pumps operate safely up to 280 bar, so the unit can be integrated into medium-pressure systems without derating. Minimum speed is limited to 250 rpm to maintain inlet suction and avoid cavitation at low flow. At 1,500 rpm the 100 cm³ pump supplies 150 l/min, and the 18 cm³ pump provides 27 l/min, giving designers two fixed flow rates from a common drive shaft.
When driven at nominal speed each pump supports higher throughput: the 100 cm³ element reaches 200 l/min and the 18 cm³ element delivers 59.4 l/min, extending the usable flow range. Maximum axial forces of 4,000 N for the large pump and 700 N for the small pump indicate the thrust each sliding group can withstand without excessive bearing load. At the same nominal point and 280 bar, the larger pump absorbs 93 kW and the smaller one 27.7 kW, data that helps size the prime mover. Peak speeds reach 2,000 rpm for the 100 cm³ section and 3,300 rpm for the 18 cm³ section, supporting rapid response in variable-speed drives. Corresponding peak torques are 445 Nm and 80.1 Nm, values required for shaft coupling and overload calculations.
Displacement (pump 100)
100 cm3
Displacement (pump 18)
18 cm3
Max Axial Force (pump 100)
4000 N
Max Axial Force (pump 18)
700 N
Max Flow @ 1500 Rpm (pump 100)
150 l/min
Max Flow @ 1500 Rpm (pump 18)
27 l/min
Max Flow @ N Nom (pump 100)
200 l/min
Max Flow @ N Nom (pump 18)
59.4 l/min
Max Operating Pressure
280 bar
Max Power @ N Nom, 280 Bar (pump 100)
93 kW
Max Power @ N Nom, 280 Bar (pump 18)
27.7 kW
Max Speed @ Vg Max (pump 100)
2000 rpm
Max Speed @ Vg Max (pump 18)
3300 rpm
Max Torque @ 280 Bar (pump 100)
445 Nm
Max Torque @ 280 Bar (pump 18)
80.1 Nm
Min Speed
250 rpm
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