Bosch Rexroth | PVQ2-1X040RD
PVQ2-1X/040RD
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The PVQ2-1X/040RD pump is part of the PV Fixed Displacement Pumps series manufactured by Bosch Rexroth for hydraulic automation circuits that require a steady supply of oil. Its displacement of 40.1 cm³ per revolution defines the fixed volume delivered with each shaft turn, so flow remains linear with speed. When operated at 1500 min⁻¹ the pump supplies a maximum flow of 59 l/min, providing adequate throughput for medium-size actuation loops. The unit sustains a continuous outlet pressure of 210 bar, allowing it to serve circuits with moderate working pressures without premature wear. Approved rotation is clockwise when viewed at the shaft end, ensuring correct alignment with prime movers. Speed limits range from a minimum of 600 min⁻¹ to a maximum of 2700 min⁻¹ at a 1 bar inlet, giving flexibility for variable-speed drives. HLP mineral oil according to DIN 51524-2 is the specified pressure fluid, ensuring compatibility with internal seals and bearing materials. The assembled pump weighs 14.8 kg, so a single technician can handle installation with standard lifting aids.
The hydraulic circuit must maintain an absolute inlet pressure of at least 0.83 bar to prevent cavitation at the suction side. Oil cleanliness is limited to ISO 4406 20/18/15 to protect sliding surfaces and extend service life. The housing mounts on an SAE-B flange that complies with the SAE J744 pattern, permitting direct coupling to common industrial engines. Pressure and suction lines attach through SAE flanges with UNC threads, simplifying hose selection in North American plants. The pressure port sits on the top at 0° from the inlet and uses a 1 in SAE interface, which eases rigid piping layouts in compact manifolds. A dedicated suction port sized at 1 1/2 in SAE supports low velocity entry of oil and reduces inlet losses.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Continuous Outlet Pressure
210 bar
Displacement
40.1 cm3/rev
Max Flow (1500 Min–1)
59 l/min
Max Speed (1 Bar Inlet)
2700 min–1
Min Inlet Pressure (absolute)
0.83 bar
Min Speed
600 min–1
Mounting Flange Size
SAE-B
Mounting Style
SAE J744 Flange
Pipe Connections
SAE Flange, UNC Threads
Pressure Fluid
HLP Mineral Oil (DIN 51524-2)
Pressure Port Position
Top (0° From Inlet)
Pressure Port Size
SAE 1 in
Rotation (viewed At Shaft End)
Clockwise
Suction Port Size
SAE 1 1/2 in
Weight
14.8 kg
1620 Old Apex Road
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