Bosch Rexroth | AZPF-11-022RARXXMB-SO356
AZPF-11-022RARXXMB SO356
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The AZPF-11-022RARXXMB SO356 pump belongs to the AZPF External High Performance Gear Pumps series and is produced by Bosch Rexroth for hydraulic automation systems. With a displacement of 22.5 cm³ per revolution, the unit delivers a fixed volume of oil each cycle to support consistent actuator motion. A splined SAE J744 16-4 9T drive shaft provides standardized coupling, and the shaft can transmit up to 110 Nm so it can accept input from medium-power prime movers without overload. Recommended operating speeds range from 500 rpm to 2500 rpm; this span lets designers match pump output to varied flow demands while avoiding cavitation at low speed or excessive wear at high speed. The pump is filled with HLP fluid conforming to DIN 51524, and performance is maintained when viscosity stays between 20 mm²/s and 100 mm²/s, ensuring adequate lubrication and minimal internal leakage across typical temperature changes.
For environmental flexibility the pump continues to work in ambient temperatures from ‑30 °C to +80 °C, enabling installation on outdoor machinery or equipment exposed to wide seasonal swings. Continuous system pressure may be held at 180 bar, while intermittent duty can rise to 210 bar and short pressure peaks are allowed up to 230 bar; these limits define circuit relief settings and protect housings from fatigue. An NBR seal set maintains fluid separation under the stated pressures and resists common mineral-oil additives. The design includes no flow control valve, so flow regulation must be performed elsewhere in the circuit, and the rear cover is supplied without an additional valve block to keep the assembly compact and reduce weight. Together these characteristics outline safe mechanical loading, ambient exposure, and circuit integration requirements for the AZPF-11-022RARXXMB SO356 pump.
Technical Specifications
Ambient Temp Max (nbr)
+80 °C
Ambient Temp Min (nbr)
-30 °C
Displacement
22.5 cm³/rev
Drive Shaft Mmax
110 Nm
Drive Shaft Type
Splined SAE J744 16-4 9T
Flow Control Valve
None
Hydraulic Fluid
HLP (DIN 51524)
Max Continuous Pressure
180 bar
Max Intermittent Pressure
210 bar
Max Pressure Peaks
230 bar
Max Speed At P2
2500 rpm
Min Speed (ν=25 Mm²/s At P2)
500 rpm
Rear Cover
Without Valve
Seal Material
NBR
Viscosity Recommended Max
100 mm²/s
Viscosity Recommended Min
20 mm²/s
1620 Old Apex Road
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