Bosch Rexroth | AZPG-22-045RDC20MB
AZPG-22-045RDC20MB
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The AZPG-22-045RDC20MB pump is manufactured by Bosch Rexroth in the High Performance AZPG Gear Pumps series and supplies hydraulic flow for automated machinery that relies on fixed displacement devices. It delivers 45 cm³ per revolution and turns clockwise, matching prime movers set for that direction. The gear train has 12 teeth to establish its flow ripple profile, and the shaft can accept up to 300 Nm of drive torque. Continuous pressure is rated at 250 bar, with allowance for 280 bar intermittent operation and 300 bar peak events, so the unit endures demanding duty cycles. A maximum speed of 2600 rpm at pressure stage P2 defines the upper limit for volumetric output, keeping internal loads within design margins.
A minimum speed of 500 rpm applies when system pressure is below 100 bar and fluid viscosity is 12 mm²/s, maintaining lubrication at light load. Cold starts are permitted with viscosities as high as 2000 mm²/s, enabling safe commissioning in ambient temperatures down to –30 °C; service temperature may rise to 80 °C without derating. The housing employs NBR sealing material to resist standard hydraulic oils. A 2-hole flange on a 101.6 mm bolt circle per SAE J744 101-2 B forms the front cover interface, while pressure and return lines connect through a Square Flange 20 port, facilitating straightforward installation in modular hydraulic systems.
Technical Specifications
Ambient Temp Max (nbr)
80 °C
Ambient Temp Min (nbr)
-30 °C
Direction Of Rotation
Clockwise
Front Cover
2-Hole Flange 101.6 mm (SAE J744 101-2 B)
Gear Teeth Count
12
Geometric Displacement
45 cm³/rev
Line Connection
Square Flange 20
Max Cold-start Viscosity
2000 mm²/s
Max Continuous Pressure
250 bar
Max Drive Torque (shaft D)
300 Nm
Max Intermittent Pressure
280 bar
Max Pressure Peak
300 bar
Max Speed (at P2)
2600 rpm
Min Speed (p<100 Bar, V=12 Mm²/s)
500 rpm
Sealing Material
NBR
1620 Old Apex Road
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