Bosch Rexroth | PVV51-1X139-046RA15DDMC
PVV51-1X/139-046RA15DDMC
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The PVV51-1X/139-046RA15DDMC pump is manufactured by Bosch Rexroth as part of the PV Fixed Displacement Pumps series and supplies constant flow for hydraulic automation loops. On the cover side it delivers 45.9 cm³ per revolution, giving 70 l/min at 1500 rpm, and the circuit may operate continuously at 140 bar. The flange side is intended for higher duty; its 138.6 cm³ per revolution displacement produces 203 l/min at the same speed, and it sustains 175 bar without derating. The unit accepts inlet pressures down to 0.83 bar absolute when the reservoir is below the pump and up to 2.4 bar absolute with a pressurized feed. A maximum speed of 1800 rpm at a 1 bar inlet allows direct coupling to standard electric motors, supporting compact power pack designs.
HLP mineral oil in accordance with DIN 51524-2 is required so internal seals maintain compatibility, and cleanliness must be held to ISO 4406 class 20/18/15 to minimize abrasive wear on the gear stages. The permissible fluid temperature spans from –10 °C to +70 °C, covering cold starts and warm continuous duty while preserving viscosity. An SAE-C 127-2 mounting flange simplifies alignment with common housings, and a cylindrical shaft end mates with standard keyed couplings for straightforward torque transfer. The pump weighs 43 kg, permitting single-person handling with basic lifting aids during installation. These fluid, temperature, and mechanical parameters complement the previously mentioned pressure and flow ratings to ensure predictable long-term performance in fixed displacement hydraulic systems.
Technical Specifications
Cover-side Continuous Pressure
140 bar
Cover-side Displacement
45.9 cm³/rev
Cover-side Flow @1500 Min⁻¹
70 l/min
Flange-side Continuous Pressure
175 bar
Flange-side Displacement
138.6 cm³/rev
Flange-side Flow @1500 Min⁻¹
203 l/min
Fluid Cleanliness
ISO 4406 20/18/15
Fluid Type
HLP Mineral Oil (DIN 51524-2)
Max Fluid Temperature
+70 °C
Maximum Inlet Pressure (abs)
2.4 bar
Maximum Speed (at 1 Bar Inlet)
1800 min⁻¹
Min Fluid Temperature
−10 °C
Minimum Inlet Pressure (abs)
0.83 bar
Mounting Flange
SAE-C (127-2)
Shaft End Type
Cylindrical
Weight
43 kg
1620 Old Apex Road
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