Bosch Rexroth | PVQ21-1X068-046RJ15LDMB
PVQ21-1X/068-046RJ15LDMB
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The PVQ21-1X/068-046RJ15LDMB pump belongs to the PV Fixed Displacement Pumps series from Bosch Rexroth and supplies constant flow for hydraulic automation circuits. On the flange side, each revolution delivers 67.5 cm³, so actuators that require higher volumetric output can be driven from this port. The cover side provides 45.9 cm³ per revolution, giving designers a lower-flow option within the same housing. At 1,500 rpm the flange port reaches 100 l/min, while the cover port achieves 70 l/min, allowing the unit to feed two circuits with different flow demands. Continuous operating pressure is capped at 210 bar on the flange side and 140 bar on the cover side to protect internal gearing and seals. The shaft turns clockwise, which defines pump orientation when coupling to prime movers. A standard SAE-B mounting flange aligns the housing with common industrial engines and electric motors.
The flange pressure outlet is threaded for a 1 in SAE fitting, and the cover pressure outlet accepts a 3/4 in SAE fitting, so separate hoses can be sized to their respective flow rates. A 2 1/2 in SAE suction port minimizes inlet velocity and reduces cavitation risk. The pump is specified for HLP mineral oil according to DIN 51524-2, ensuring compatibility with widely used hydraulic fluids. Permissible fluid temperature ranges from –10 °C up to +70 °C, allowing year-round service in most plant environments. Installed weight is 20 kg, light enough for single-person handling yet robust for continuous-duty mounting.
Technical Specifications
Continuous Pressure (cover)
140 bar
Continuous Pressure (flange)
210 bar
Cover-side Displacement
45.9 cm3/rev
Direction Of Rotation
Clockwise
Flange-side Displacement
67.5 cm3/rev
Fluid Temp Max
+70 °C
Fluid Temp Min
-10 °C
Max Flow (cover, 1500 Rpm)
70 l/min
Max Flow (flange, 1500 Rpm)
100 l/min
Mounting Flange
SAE-B
Pressure Connection (cover)
SAE 3/4 in
Pressure Connection (flange)
SAE 1 in
Pressure Fluid
HLP Mineral Oil (DIN 51524-2)
Suction Connection
SAE 2 1/2 in
Weight
20 kg
1620 Old Apex Road
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