Bosch Rexroth | PVV51-1X162-040RA15UUMC
PVV51-1X/162-040RA15UUMC
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The PVV51-1X/162-040RA15UUMC pump belongs to the PV Fixed Displacement Pumps series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation where a constant delivery per revolution is required. The unit provides 39.5 cm³ of displacement per revolution on the cover side and 162.2 cm³ per revolution on the flange side, allowing two circuits with different flow demands to be driven from a single shaft. At 1 500 rpm it delivers up to 59 l/min on the cover side and 234 l/min on the flange side, supplying actuators with steady volume flow. A speed window from 600 to 1 800 rpm accommodates typical industrial prime movers, while the SAE J744 flange mounting simplifies direct connection to standardized bell housings. The build size 51 assembly weighs 43 kg, a consideration for lifting and bracket design.
For reliable suction the pump requires an absolute inlet pressure between 0.83 bar and 2.4 bar, preventing cavitation and maintaining volumetric efficiency. It handles hydraulic fluids with viscosities from 13 mm²/s to 860 mm²/s, so most mineral-based oils used in machinery are compatible. Bosch Rexroth specifies HLP mineral oil according to DIN 51524-2 as the preferred medium, and the permissible temperature span of −10 °C to +70 °C covers cold starts and normal running conditions. Fluid cleanliness should meet ISO 4406 class 20/18/15 to minimize wear of the precision-ground internal gear sets. These limits enable continuous operation in industrial presses, plastics machines, or mobile hydraulics where stable, fixed displacement flow is required.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Displacement (cover Side)
39.5 cm3/rev
Displacement (flange Side)
162.2 cm3/rev
Fluid Temp Max
+70 °C
Fluid Temp Min
-10 °C
Fluid Type
HLP Mineral Oil (DIN 51524-2)
Max Flow (cover, 1500 Rpm)
59 l/min
Max Flow (flange, 1500 Rpm)
234 l/min
Max Inlet Pressure (absolute)
2.4 bar
Max Speed
1800 rpm
Min Inlet Pressure (absolute)
0.83 bar
Min Speed
600 rpm
Mounting Style
SAE J744 Flange Mounting
Viscosity Max
860 mm2/s
Viscosity Min
13 mm2/s
Weight (build Size 51)
43 kg
1620 Old Apex Road
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