Bosch Rexroth | PVV1-1X027RD
PVV1-1X/027RD
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The PVV1-1X/027RD belongs to the PV Fixed Displacement Pumps series from Bosch Rexroth and supplies a constant volumetric output for hydraulic automation circuits. The unit displaces 27.4 cm³ of fluid per revolution, allowing predictable actuator movement under fixed flow requirements. A direct coaxial drive arrangement eliminates radial or axial shaft loads so coupling alignment stays within tolerance over long duty cycles. The pump is set for clockwise rotation, yet its ports remain independent of rotation so piping can be arranged without regard to shaft direction. It sustains a continuous operating pressure of 210 bar to match medium-pressure machine tools and presses. Minimum speed is 600 rpm to maintain internal lubrication, while maximum speed reaches 1800 rpm when inlet pressure is at least 1 bar absolute. At 1500 rpm the pump delivers a maximum flow of 39 l/min, and HLP mineral oil to DIN 51524-2 is specified as the working fluid to ensure seal compatibility and consistent viscosity.
Flange mounting to SAE J744 simplifies installation on power packs, and UNC fixing threads secure the housing without metric adapters. The pressure port sits on the top face at 0 degrees from the inlet, reducing trapped air when priming. A SAE 3/4 in connection handles the pressure line, while a larger SAE 1 1/2 in fitting on the suction side limits inlet velocity and cavitation. Cleanliness must be maintained at ISO 4406 20/18/15 or better to protect tight internal clearances. The pump weighs 12 kg, allowing single-person handling during maintenance or replacement.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Continuous Pressure
210 bar
Direction Of Flow
Ports Independent Of Rotation
Direction Of Rotation
Clockwise
Displacement
27.4 cm³/rev
Drive Type
Direct Coaxial (No Radial/Axial Loads)
Fixing Threads
UNC
Max Flow (1500 Rpm)
39 l/min
Max Speed (1 Bar Abs Inlet)
1800 rpm
Min Speed
600 rpm
Mounting Style
Flange Mounting (SAE J744)
Pressure Connection
SAE 3/4 in
Pressure Fluid
HLP Mineral Oil (DIN 51524-2)
Pressure Port Position
Top (0° From Inlet)
Suction Connection
SAE 1 1/2 in
Weight
12 kg
1620 Old Apex Road
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