Bosch Rexroth | PVV4-1X122RA15DMC
PVV4-1X/122RA15DMC
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The PVV4-1X/122RA15DMC pump is produced by Bosch Rexroth for the PV Fixed Displacement Pumps series. It supplies constant volume flow in hydraulic automation systems where predictable actuator movement is required. The displacement is 121.6 cm³ per revolution, so each shaft turn moves a fixed quantity of fluid. Clockwise rotation matches power units that drive shafts in the same direction. A minimum speed of 600 rpm defines the lowest continuous operating point, while a maximum of 1800 rpm at 1 bar inlet pressure provides the upper limit before efficiency or life is affected. Cavitation is avoided by maintaining at least 0.83 bar absolute pressure at the inlet, and the housing tolerates up to 2.4 bar absolute on the suction side. Fluid enters through a SAE 2 in suction port that accommodates large low-restriction hoses.
Mounting is handled by a SAE-C 127-2 flange, enabling direct coupling to common electric motor frames. Pressurized fluid exits through a SAE 1 1/4 in port positioned on the top at 0° from the inlet, which simplifies vertical piping runs in compact power packs. At 1500 rpm the pump delivers 177 liters per minute, and it can sustain 175 bar continuous outlet pressure for demanding cylinder circuits. The design is specified for HLP DIN 51524-2 hydraulic oil, ensuring adequate lubrication and oxidation stability. NBR seals are used to contain the fluid and resist swelling in mineral oils. The bare unit weighs 23 kg, so a single technician can install it with standard lifting aids without exceeding typical manual handling limits.
Technical Specifications
Displacement
121.6 cm3/rev
Flange Version
SAE-C 127-2
Hydraulic Fluid
HLP DIN 51524-2
Max Continuous Pressure
175 bar
Max Flow @ 1500 Rpm
177 l/min
Max Inlet Pressure (abs)
2.4 bar
Max Speed (1 Bar Inlet)
1800 rpm
Min Inlet Pressure (abs)
0.83 bar
Min Speed
600 rpm
Pressure Port
SAE 1 1/4 in
Pressure Port Position
Top (0° from inlet)
Rotation
Clockwise
Seal Material
NBR
Suction Port
SAE 2 in
Weight
23 kg
1620 Old Apex Road
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