Bosch Rexroth | AZPF-21-019RXB07MB-SO294
AZPF-21-019RXB07MB SO294
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The AZPF-21-019RXB07MB SO294 gear pump is produced by Bosch Rexroth as part of the AZPF External High Performance Gear Pumps series and supplies pressurized oil for hydraulic automation circuits. It delivers a fixed displacement of 19 cm³ per revolution to produce a predictable flow rate whenever the drive shaft turns. The unit turns clockwise, allowing direct coupling to standard right-hand prime movers. A continuous pressure rating of 210 bar permits steady service in mobile or industrial systems, while an intermittent limit of 230 bar accommodates moderate overloads. Short peaks up to 250 bar can be absorbed without structural damage, safeguarding actuators during fast load changes. Suction conditions are flexible; the inlet can drop to 0.7 bar absolute when tanks sit below the pump and may rise to 3 bar absolute when flooded. Speed capability begins at 500 rpm whenever discharge pressure remains below 100 bar, extending the usable range for low-flow functions.
Above 100 bar and up to 180 bar, minimum drive speed increases to 800 rpm, and when pressure approaches the P2 region the shaft must reach at least 1000 rpm to maintain lubrication. The pump withstands a maximum speed of 3000 rpm at the P2 rating, allowing compact power units to deliver high flow. Hydraulic media with viscosities from 12 mm²/s to 800 mm²/s can be processed continuously, covering common mineral oils and thicker start-up fluids. Fluid temperature may rise to 110 °C without compromising seal materials, so the circuit can dissipate heat slowly under heavy duty. Ambient service temperatures span from −30 °C to 80 °C, enabling outdoor installation in cold climates or inside warm engine compartments. These operating windows ensure the AZPF-21-019RXB07MB SO294 maintains reliable pressure generation across varying load, temperature, speed, and viscosity conditions typical of automated hydraulic machinery.
Technical Specifications
Displacement
19 cm³/rev
Max Ambient Temperature (nbr)
80 °C
Max Continuous Pressure
210 bar
Max Fluid Temperature (fkm)
110 °C
Max Intermittent Pressure
230 bar
Max Peak Pressure
250 bar
Max Speed At P2
3000 rpm
Max Suction Pressure (abs)
3 bar
Max Viscosity (continuous)
800 mm²/s
Min Ambient Temperature (nbr)
-30 °C
Min Speed (100–180 Bar)
800 rpm
Min Speed (180 Bar–p2)
1000 rpm
Min Speed (p<100 Bar)
500 rpm
Min Suction Pressure (abs)
0.7 bar
Min Viscosity (continuous)
12 mm²/s
Rotation Direction
Clockwise
1620 Old Apex Road
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