Bosch Rexroth | PGH4-2X025RE11VU2
PGH4-2X/025RE11VU2
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The PGH4-2X/025RE11VU2 pump is manufactured by Bosch Rexroth and is part of the PGH High Pressure Gear Pumps series, serving closed-loop and open-loop hydraulic systems that require consistent flow. Its fixed displacement of 25.30 cm³ per revolution establishes a constant output volume to simplify circuit sizing. The internal gear design minimizes pulsation, which supports smooth actuator motion in automation lines. A clockwise rotation direction matches common electric motor drives, while frame size 4 provides a housing footprint suited to mid-range power packs. A nominal size of 25 aligns the unit with standard pipe diameters, and a maximum operating pressure of 350 bar allows it to supply cylinders or motors that work in high-load presses and clamping fixtures.
An SAE 2-hole mounting flange identified as U2 lets the pump bolt directly to industry-standard bell housings, cutting installation time. Flow exits through an SAE flange port, and the pressure port is classified as high pressure series 11 so fittings rated to the same level can be used without derating. The suction side follows a standard pressure series layout to accept larger, low-restriction hoses that reduce inlet cavitation. FKM sealing handles common hydraulic oils at elevated temperatures, extending service intervals. A through-drive with an output spline permits a second pump to be piggy-backed, which is useful when auxiliary circuits—such as pilot controls—need a dedicated flow source.
Technical Specifications
Displacement
25.30 cm³/rev
Displacement Type
Fixed
Frame Size
4
Max Operating Pressure
350 bar
Mounting Flange
SAE 2-Hole (U2)
Nominal Size
25
Port Connection
SAE Flange
Pressure Port Series
High Pressure (11)
Pump Design
Internal Gear
Rotation Direction
Clockwise (R)
Seal Material
FKM (V)
Suction Port Series
Standard Pressure
Through-drive
With Output Spline
1620 Old Apex Road
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