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The PP2.5/P1-4/1-/RV/H0/L0 power pack from Bosch Rexroth belongs to the Rexroth Power Packs series and serves as a compact hydraulic supply unit for automation circuits. A gear, fixed displacement pump generates flow; its displacement of 0.05 in³ per revolution sets the volumetric delivery for each shaft turn. The assembly achieves a maximum flow of 0.4 GPM, giving steady actuator speed in low-volume systems. A working limit of 3000 psi lets the pack drive cylinders that require high operating pressure. A pressure line check valve is included so fluid cannot return to the pump when the system is at rest. Cleanliness is maintained by a return filter rated at 20 µm absolute, which removes particles before oil enters the reservoir. Connection points are provided by an X1 -6 SAE pressure port, an X2 -12 SAE return port, and an X3 -8 JIC test port to fit common hydraulic hoses.
The pack is driven by a 1 hp motor that spins at 1750 rpm to maintain the required flow. This motor operates on a 60 Hz power source, uses a 143TC frame, and sits inside a TEFC enclosure that blocks dust and moisture from the windings. Stored hydraulic fluid is held in a 2.5 gal steel reservoir, providing enough volume for heat dissipation during continuous cycles. A level indicator with a thermometer permits a quick visual check of oil height and temperature, helping operators schedule service before fluid conditions degrade. When maintenance is required, a -8 SAE drain port lets technicians empty the tank without removing plumbing. Bosch Rexroth builds the unit with the same component standards applied across larger power packs, so replacement motors, filters, and seals remain readily available in typical industrial inventories.
Level Indicator
With Thermometer
Max Flow
0.4 GPM (1.51 L/min)
Max Pressure
3000 psi (210 bar)
Motor Enclosure
TEFC
Motor Frame
143TC
Motor Frequency
60 Hz
Motor Power
1 hp (0.7 kW)
Motor Speed
1750 rpm
Port Connections
X1 -6 SAE; X2 -12 SAE; X3 -8 JIC
Pressure Line Check Valve
Included
Pump Displacement
0.05 in³/rev (0.82 cm³/rev)
Pump Type
Gear, Fixed Displacement
Reservoir Drain Port
-8 SAE
Reservoir Material
Steel
Reservoir Size
2.5 gal (9.5 L)
Return Filter Rating
20 µm (absolute)
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