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The PP20/G2011/7.5/3BM2/H3/L0 hydraulic unit belongs to the Rexroth Power Packs series from Bosch Rexroth and supplies pressurized fluid for automated machinery. A 20 gal reservoir stores the working oil so the pump is always primed and cavitation is avoided during duty cycles. The pump displacement of 0.68 in³/rev (11.14 cm³/rev) sets the volume moved per shaft revolution, which combines with the 5.0 GPM (18.93 L/min) maximum flow rating to define the delivery capacity available to actuators. Drive energy comes from a 7.5 hp (5.5 kW) motor that spins at 1750 rpm to keep the pump within its efficient speed band. The motor can be wired for 230 V or 460 V on a 3-phase supply, operates at 60 Hz, and uses a totally enclosed fan-cooled enclosure to keep dust out while shedding heat. A 213TC frame size provides standardized mounting dimensions so the assembly fits common industrial bases.
The hydraulic circuit can reach a maximum pressure of 2180 psi (150 bar), allowing cylinders and motors to produce significant force without overstressing components. Two bar manifold stations are included, giving space for dual directional or proportional valve stacks to manage separate machine functions. Main service ports A and B are threaded for SAE-8 (3⁄4-16 UNC) fittings to simplify hose connection, while twelve auxiliary ports X1–X12 use ‑8 SAE threads for pilot lines, gauges, or sensor taps. An air-to-oil heat exchanger, coded H3, limits fluid temperature by passing hot oil through finned tubes cooled by ambient airflow; the assembly is identified by part number R978808140 for straightforward spare-part ordering. Together these features allow the power pack to maintain stable pressure, adequate cooling, and organized plumbing in automated hydraulic installations.
Bar Manifold Stations
2
Heat Exchanger P/n
R978808140
Heat Exchanger Type
Air/Oil (H3)
Manifold Ports A/b
SAE-8 (3/4-16 UNC)
Manifold Ports X1–x12
-8 SAE
Max Flow
5.0 GPM (18.93 L/min)
Max Pressure
2180 psi (150 bar)
Motor Enclosure
TEFC
Motor Frame
213TC
Motor Frequency
60 Hz
Motor Phase
3-Phase
Motor Power
7.5 hp (5.5 kW)
Motor Speed
1750 rpm
Motor Voltage
230/460 V
Pump Displacement
0.68 in³/rev (11.14 cm³/rev)
Reservoir Capacity
20 gal
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