Bosch Rexroth | PVV42-1X122-040RA15DDMC
PVV42-1X/122-040RA15DDMC
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The PVV42-1X/122-040RA15DDMC pump is produced by Bosch Rexroth as part of the PV Fixed Displacement Pumps series. It is intended to supply constant hydraulic flow for automation circuits where a dual displacement section simplifies compact power unit design. The flange side provides a displacement of 121.6 cm³ per revolution while the cover side moves 40.1 cm³ per revolution, so designers can drive two circuits from a common shaft. At 1500 rpm the flange side delivers up to 177 l/min and the cover side reaches 59 l/min, enabling different actuator speeds from one package. The pumping element sustains a continuous working pressure of 175 bar, and the shaft can run anywhere between 600 and 1800 revolutions per minute without derating. The unit weighs 34.5 kg, which assists when calculating mounting loads and support hardware.
For reliable service the PVV42-1X/122-040RA15DDMC is filled with HLP mineral oil conforming to DIN 51524-2, and the oil temperature must stay between −10 °C and +70 °C to protect internal clearances. Contamination is limited to ISO 4406 20/18/15 to prevent accelerated wear. The inlet line must maintain at least 0.83 bar absolute so the rotating groups receive full charge at high speed. Suction is connected with an SAE 3-inch port while pressure outlets are split between an SAE 1-inch port on the cover side and an SAE 1 1/4-inch port on the flange side, simplifying hose selection for each flow channel. Together these requirements ensure the pump primes quickly, avoids cavitation, and delivers the rated performance described above.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Continuous Pressure
175 bar
Displacement (cover Side)
40.1 cm3/rev
Displacement (flange Side)
121.6 cm3/rev
Fluid Temperature Max
+70 °C
Fluid Temperature Min
−10 °C
Max Flow (cover Side, 1500 Min–1)
59 l/min
Max Flow (flange Side, 1500 Min–1)
177 l/min
Max Speed (at 1 Bar Abs)
1800 min–1
Minimum Inlet Pressure (abs)
0.83 bar
Minimum Speed
600 min–1
Pressure Fluid
HLP Mineral Oil (DIN 51524-2)
Pressure Port Size (cover Side)
SAE 1"
Pressure Port Size (flange Side)
SAE 1 1/4"
Suction Port Size
SAE 3"
Weight
34.5 kg
1620 Old Apex Road
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