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The PP2.5/P1-4/.5/3BM1/H2/L0 power pack belongs to the Rexroth Power Packs series and is produced by Bosch Rexroth to drive compact hydraulic automation circuits. A reservoir capacity of 2.5 gal (9.5 L) stores the working fluid, and a pump displacement of 0.05 in³/rev (0.82 cm³/rev) meters oil into the circuit with fine resolution. A TEFC motor rated at 0.5 hp turns 1750 rpm and accepts either 230 V or 460 V, three-phase, at 60 Hz, letting the unit connect to common plant supplies. Maximum flow reaches 0.4 GPM (1.51 L/min) and system pressure can be regulated up to 3000 PSI (210 bar) for demanding clamping or pressing tasks. An air/oil heat exchanger, part number R978809109, removes excess heat so the fluid remains within a stable viscosity range during continuous duty.
The hydraulic circuit is arranged on a D03, 1-station manifold, providing SAE-8 ports with 3/4-16 UNC threads for direct valve mounting. A dedicated ‑6 SAE pressure port feeds actuators, while two ‑12 SAE return ports guide low-velocity oil back to the reservoir to limit aeration. Three ‑8 JIC auxiliary ports support gauges, filters, or future branches without field modifications. This organized manifold layout, together with the established performance ratings, allows the PP2.5/P1-4/.5/3BM1/H2/L0 to supply reliable hydraulic energy to presses, test rigs, and precision fixturing systems.
Auxiliary Port (x3)
-8 JIC
Heat Exchanger Part No.
R978809109
Heat Exchanger Type
Air/Oil
Manifold Ports
SAE-8 (3/4-16 UNC)
Manifold Type
D03, 1 Station
Max Flow
0.4 GPM (1.51 L/min)
Max Pressure
3000 PSI (210 bar)
Motor Enclosure
TEFC
Motor Frequency
60 Hz
Motor Power
0.5 hp
Motor Speed
1750 rpm
Motor Voltage
230/460 V
Pressure Port (x1)
-6 SAE
Pump Displacement
0.05 in3/rev (0.82 cm3/rev)
Reservoir Capacity
2.5 gal (9.5 L)
Return Port (x2)
-12 SAE
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