Bosch Rexroth | AA10VSO28DFEE31R-PKC62N00
AA10VSO28DFEE/31R-PKC62N00
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The AA10VSO28DFEE/31R-PKC62N00 pump is part of the A10VSO Variable Pumps series from Bosch Rexroth and supplies adjustable hydraulic flow to automated machinery. Its displacement is 28 cm³ per revolution, so each shaft turn moves a fixed oil volume that can be modulated by the swashplate. A maximum flow of 84 L/min supports medium-size actuators, while a rated pressure of 280 bar handles continuous system demands and a peak pressure of 350 bar covers transient spikes. The unit runs at 3000 rpm when set to full displacement and rises to 3600 rpm once the displacement is reduced, giving designers flexibility with smaller prime movers. Fluid enters through a SAE J518 1 1/4-inch inlet port and leaves the pressure side via a SAE J518 3/4-inch port, ensuring straightforward piping with standard flanges.
A minimum absolute inlet pressure of 0.8 bar keeps the pistons supplied and prevents cavitation. The case drain uses a 3/4-16 UNF-2B thread, and housing drain pressure must stay below 2 bar to protect the shaft seal. Oil temperature may reach 115 °C, so the cooling circuit has to limit fluid heat accordingly. The pump tolerates viscosities down to 10 mm²/s during hot operation and up to 1600 mm²/s for short cold starts without losing lubrication. Installation uses an ISO 3019-1 two-hole mounting flange that aligns with common hydraulic power packs, and the assembly weighs 18 kg, allowing one person to position it during system integration.
Technical Specifications
Case Drain Port
3/4-16 UNF-2B
Case Drain Pressure Max
2 bar (29 psi)
Displacement
28 cm³/rev
Inlet Abs Pressure Min
0.8 bar (12 psi)
Inlet Port
SAE J518 1 1/4 in
Max Flow
84 L/min (22.2 gpm)
Max Fluid Temperature
115 °C (239 °F)
Max Speed (reduced Vg)
3600 rpm
Max Speed (vg Max)
3000 rpm
Max Viscosity (short-term)
1600 mm²/s (7500 SUS)
Min Viscosity (short-term)
10 mm²/s (60 SUS)
Mounting Flange
ISO 3019-1 2-Hole
Peak Pressure
350 bar (5100 psi)
Pressure Port
SAE J518 3/4 in
Rated Pressure
280 bar (4000 psi)
Weight (n00)
18 kg (40 lb)
1620 Old Apex Road
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