Bosch Rexroth | AA10VSO45DRG31R-PKC62K03
AA10VSO45DRG/31R-PKC62K03
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The AA10VSO45DRG/31R-PKC62K03 pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth for adjustable-flow hydraulic automation. Its geometric displacement of 45 cm³ per revolution determines the base volume moved each shaft turn, while the DRG remote pressure control varies the swash angle to match system demand. A nominal pressure limit of 280 bar governs continuous duty, and a maximum of 350 bar covers transient peaks; the 6 bar pressure rise between cut-in and cut-out maintains stable regulation. Clockwise rotation must align with the driving motor to ensure correct suction and pressure orientation. The parallel keyed shaft to ISO 3019-1 transfers up to 200 Nm at 280 bar without slippage, and a moment of inertia of 0.0033 kg·m² keeps startup torque low.
The housing holds 1.0 l of case oil that cools and lubricates internal parts before discharge. Return flow leaves through a 7/8-14 UNF drain port, allowing standard SAE hose ends. Remote control oil reaches the servo piston through a 7/16-20 UNF pilot port rated for 350 bar, supplying accurate pressure feedback. The main outlet is a 1 in ISO 6162-1 flange sized for high-pressure lines, and inlet flow arrives through a 1.5 in ISO 6162-1 suction flange. Suction pressure is limited to 10 bar to reduce cavitation risk and preserve volumetric efficiency. These port dimensions and limits integrate with the displacement and control features to deliver reliable variable output across the pump’s working range.
Technical Specifications
Case Volume
1.0 l
Control Type
DRG (Remote Pressure Control)
Direction Of Rotation
Clockwise
Drain Port Thread
7/8-14 UNF
Drive Shaft Type
Parallel Keyed Shaft (ISO 3019-1)
Geometric Displacement
45 cm³/rev
Max Torque (280 Bar)
200 Nm
Maximum Pressure
350 bar
Moment Of Inertia
0.0033 kg·m²
Nominal Pressure
280 bar
Pilot Port Max Pressure
350 bar
Pilot Port Thread
7/16-20 UNF
Pressure Increase Δp
6 bar
Pressure Port Size
1 in (ISO 6162-1)
Suction Port Max Pressure
10 bar
Suction Port Size
1.5 in (ISO 6162-1)
1620 Old Apex Road
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