Bosch Rexroth | PVV21-1X068-018RA15DDMB
PVV21-1X/068-018RA15DDMB
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The PVV21-1X/068-018RA15DDMB fixed displacement pump is part of the PV Fixed Displacement Pumps series from Bosch Rexroth and supplies steady flow to hydraulic automation equipment. It turns clockwise, a configuration that sets the correct port orientation in standard drive trains. On the flange side the pump delivers 67.5 cm³ per revolution, while the cover side provides 18.0 cm³ per revolution, so paired circuits can receive different flows from a single shaft. At 1500 rpm these displacements translate to 100 L/min on the flange side and 26 L/min on the cover side, giving designers two separate supply rates without additional pumps. The unit can operate up to 1800 rpm, enabling higher output when the prime mover permits. Version A shafts withstand 250 Nm of torque, a limit that matches common industrial electric motors. The assembly weighs 20 kg, which influences mounting arrangements and support structures inside the power unit.
For continuous duty the cover side accepts 210 bar, whereas the flange side is rated for 175 bar, so the higher-pressure circuit should be connected to the cover ports. The pump tolerates absolute inlet pressures between 0.83 bar and 2.4 bar, allowing installation on reservoirs that run slightly below or above atmospheric conditions. Hydraulic fluid may enter at temperatures from −10 °C to 70 °C, a span suitable for mineral oils used in mobile and stationary systems. An NBR seal set contains the fluid within these limits and resists common oil additives. These pressure, temperature, and sealing parameters define the operating window that prevents cavitation, leakage, and premature wear during continuous service.
Technical Specifications
Continuous Pressure (cover Side)
210 bar
Continuous Pressure (flange Side)
175 bar
Direction Of Rotation
Clockwise
Displacement (cover Side)
18.0 cm3/rev
Displacement (flange Side)
67.5 cm3/rev
Fluid Temperature Max
70 °C
Fluid Temperature Min
-10 °C
Max Flow At 1500 Rpm (cover Side)
26 L/min
Max Flow At 1500 Rpm (flange Side)
100 L/min
Max Inlet Pressure (abs)
2.4 bar
Max Shaft Torque (version A)
250 Nm
Max Speed
1800 rpm
Min Inlet Pressure (abs)
0.83 bar
Seal Material
NBR
Weight
20 kg
1620 Old Apex Road
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