Bosch Rexroth | PVV21-1X068-046RA15LUMB-SO43A-1802
PVV21-1X/068-046RA15LUMB SO43A-1802
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The PVV21-1X/068-046RA15LUMB SO43A-1802 pump is manufactured by Bosch Rexroth for the PV Fixed Displacement Pumps series and supplies constant hydraulic flow to automation circuits. The cover stage displacement is 45.9 cm³ per revolution, so each shaft turn provides a fixed volume for predictable actuator motion. A continuous pressure of 140 bar can be maintained on this stage, supporting medium-pressure machine tools and presses. At 1500 rpm the cover stage delivers 70 L/min, ensuring steady supply to valves and accumulators. Its pressure port is sized at SAE 3/4 in, allowing direct connection to common hose assemblies. The pump employs a cylindrical drive shaft to transfer torque smoothly from an electric or diesel prime mover. An SAE-B mounting flange positions the housing on standardized motor faces. Clockwise rotation aligns with typical right-hand drive layouts. Minimum speed is 600 rpm for low-noise idle operation, while a maximum of 1800 rpm at 1 bar inlet permits higher output without exceeding mechanical limits.
The flange stage is intended for greater output; its displacement of 67.5 cm³ per revolution releases more fluid with each cycle. Continuous pressure capability rises to 175 bar so the circuit can handle heavier loads such as large cylinders or hydraulic motors. When the shaft runs at 1500 rpm, this stage provides 100 L/min to satisfy high-demand branches. A pressure port of SAE 1 in on the flange side accommodates the larger flow with reduced velocity losses. The shared suction port measures SAE 2 1/2 in, creating a wide inlet path that limits cavitation during high-speed operation. NBR seals are used for compatibility with standard mineral oils and to maintain leak-free service. Overall weight is 20 kg, allowing installation by one technician with light handling gear. These parameters equip the fixed-displacement, two-stage pump to deliver reliable performance in compact power units and mobile hydraulic machinery.
Technical Specifications
Displacement (cover Stage)
45.9 cm³/rev
Displacement (flange Stage)
67.5 cm³/rev
Drive Shaft Type
Cylindrical
Max Continuous Pressure (cover Stage)
140 bar
Max Continuous Pressure (flange Stage)
175 bar
Max Flow At 1500 Rpm (cover)
70 L/min
Max Flow At 1500 Rpm (flange)
100 L/min
Mounting Flange
SAE-B
Pressure Port Size (cover)
SAE 3/4 in
Pressure Port Size (flange)
SAE 1 in
Rotation Direction
Clockwise
Seal Material
NBR
Speed Maximum (1 Bar Inlet)
1800 rpm
Speed Minimum
600 rpm
Suction Port Size
SAE 2 1/2 in
Weight
20 kg
1620 Old Apex Road
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