Bosch Rexroth | PVV21-1X040-027RA15DDMB
PVV21-1X/040-027RA15DDMB
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The PVV21-1X/040-027RA15DDMB pump belongs to the PV Fixed Displacement Pumps series and is manufactured by Bosch Rexroth for hydraulic automation where a constant delivery per revolution is required. Clockwise rotation sets the drive direction for matching engine coupling. On the cover side, displacement of 27.4 cm³ per revolution defines the volume moved each turn, while the flange side displacement of 40.1 cm³ per revolution supplies a larger volume to parallel circuits. Continuous cover-side pressure of 210 bar permits sustained operation of medium-pressure tooling, and continuous flange-side pressure of 175 bar lets the larger stage run without overloading seals. A maximum speed of 1,800 min⁻¹ at 1 bar inlet limits shaft rpm so cavitation is avoided, whereas the minimum speed of 600 min⁻¹ keeps internal lubrication effective during slow cycles. The unit weighs 20 kg, a factor that influences mounting supports in mobile frames.
At 1,500 min⁻¹ the cover side flow reaches 39 l/min, delivering moderate output for ancillary actuators, while the flange side produces 59 l/min to feed high-demand circuits. Bosch Rexroth has produced the PV Fixed Displacement Pumps range to provide compact dual-stage supply options for mobile and industrial installations, and this background supports field interchangeability and simplified maintenance for operators. A SAE-B mounting flange aligns the housing with common hydraulic motors, and the mounting interface follows SAE J744 to match standard power take-off pads. A SAE 3/4 in pressure port on the cover side simplifies hose selection for its rated flow, whereas the flange side pressure port is SAE 1 in to accommodate the higher flow path. A SAE 2 1/2 in suction connection lowers inlet velocity and minimizes pressure drop at the pump entry.
Technical Specifications
Continuous Pressure (cover Side)
210 bar
Continuous Pressure (flange Side)
175 bar
Direction Of Rotation
Clockwise
Displacement (cover Side)
27.4 cm3/rev
Displacement (flange Side)
40.1 cm3/rev
Max Flow At 1500 Min-1 (cover)
39 l/min
Max Flow At 1500 Min-1 (flange)
59 l/min
Max Speed (1 Bar Inlet)
1800 min-1
Min Speed
600 min-1
Mounting Flange
SAE-B
Mounting Interface
SAE J744
Pressure Port (cover Side)
SAE 3/4 in
Pressure Port (flange Side)
SAE 1 in
Suction Connection
SAE 2 1/2 in
Weight
20 kg
1620 Old Apex Road
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