Bosch Rexroth | PVV51-1X139-018RA15UUMC
PVV51-1X/139-018RA15UUMC
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The PVV51-1X/139-018RA15UUMC belongs to the PV Fixed Displacement Pumps series manufactured by Bosch Rexroth for hydraulic automation systems that need steady, high-volume oil delivery. Clockwise rotation matches typical engine and motor drives, while an SAE-C mounting flange allows direct coupling to standard housings. A shaft diameter of 31.75 mm supports torsional loads without excessive deflection. The pump works between 600 min−1 and 1800 min−1 when inlet pressure is 1 bar, giving designers a defined speed window for stable operation. Fluid cleanliness must reach ISO 4406 class 20/18/15 to protect internal surfaces from wear. Stage 1 handles continuous pressures up to 175 bar with a displacement of 138.6 cm³ / rev, producing as much as 203 l/min at 1500 rpm to charge low-pressure circuits quickly.
Stage 2 is sized for 18.0 cm³ / rev and can sustain 210 bar, supplying 26 l/min at 1500 rpm for higher-pressure branches that require smaller flow. A suction port threaded for SAE 3 1/2″ minimizes inlet velocity and reduces cavitation risk, while pressure outlets are divided between an SAE 3/4″ port on the cover side and an SAE 1 1/2″ port on the flange side to simplify parallel circuit layouts. Total mass is 43 kg, permitting installation with common lifting aids and ensuring the housing remains rigid under line loads.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Direction Of Rotation
Clockwise
Max Speed @1 Bar Inlet
1800 min−1
Minimum Speed
600 min−1
Mounting Flange
SAE-C
Pressure Connection (cover Side)
SAE 3/4"
Pressure Connection (flange Side)
SAE 1 1/2"
Shaft Diameter (version A)
31.75 mm
Stage 1 Continuous Pressure
175 bar
Stage 1 Displacement
138.6 cm3/rev
Stage 1 Max Flow @1500 Rpm
203 l/min
Stage 2 Continuous Pressure
210 bar
Stage 2 Displacement
18.0 cm3/rev
Stage 2 Max Flow @1500 Rpm
26 l/min
Suction Connection
SAE 3 1/2"
Weight
43 kg
1620 Old Apex Road
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