Bosch Rexroth | PVV21-1X040-027RA15UUMB
PVV21-1X/040-027RA15UUMB
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The PVV21-1X/040-027RA15UUMB pump belongs to the PV Fixed Displacement Pumps series and is manufactured by Bosch Rexroth for constant-volume hydraulic automation tasks. It turns clockwise, a direction that aligns with standard prime-mover rotation in power units. A cylindrical A-type drive shaft provides straightforward coupling, and its 22.23 mm diameter transmits power without excessive bending stress. The pump endures speeds up to 1 800 rpm, allowing direct connection to common four-pole electric motors, while a shaft torque limit of 250 N·m defines the maximum load the drive can apply. Hydraulic connections use an SAE flange secured with UNC screws so rigid pipework can be mounted quickly. With a housing mass of 20 kg, the unit can be positioned by one technician using basic handling tools.
On the flange side the pump displaces 40.1 cm³ per revolution and supplies 59 L/min at 1 500 rpm; the cover side displaces 27.4 cm³ per revolution and delivers 39 L/min at the same speed, enabling two circuits with different flow demands. Continuous operating pressure is 175 bar on the flange side and 210 bar on the cover side, so each section can match separate load requirements. Both pressure ports are situated on the bottom at 180°, which keeps outlet lines parallel to the baseplate and eases hose routing. This arrangement uses the stated speed, flow, and pressure limits to provide stable dual-circuit supply within a single compact pump.
Technical Specifications
Connection Type
SAE Flange (UNC screws)
Continuous Pressure (cover Side)
210 bar
Continuous Pressure (flange Side)
175 bar
Cover-side Displacement
27.4 cm3/rev
Direction Of Rotation
Clockwise
Drive Shaft Type
Cylindrical (A)
Flange-side Displacement
40.1 cm3/rev
Flow At 1500 Rpm (cover Side)
39 l/min
Flow At 1500 Rpm (flange Side)
59 l/min
Max Shaft Torque
250 Nm
Max Speed
1800 min-1
Pressure Port Position (cover)
Bottom (180°)
Pressure Port Position (flange)
Bottom (180°)
Shaft Diameter
22.23 mm
Weight
20 kg
1620 Old Apex Road
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