Bosch Rexroth | AZPG-22-056RDC40MB
AZPG-22-056RDC40MB
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The AZPG-22-056RDC40MB is produced by Bosch Rexroth as part of the High Performance AZPG Gear Pumps series and supplies hydraulic flow in automation circuits where reliable pressure generation is required. Its geometric displacement is 56 cm³ per revolution, establishing the volume delivered per shaft rotation. The pump is built for clockwise rotation so it must be mounted to match that direction in the drive train. A minimum speed of 500 rpm at pressures below 100 bar prevents flow pulsation at light load, while operation up to 2300 rpm at the rated power level supports compact systems that rely on high shaft speed instead of large displacement. Continuous pressure capability reaches 195 bar, defining the limit for steady-state duty cycles; intermittent overloads are permitted to 225 bar, and brief peaks can rise to 250 bar, adding margin for start-up or shock events.
The pressure port has a 32 mm bore and accepts bolts with a 7/16-14 UNC-2B thread, ensuring secure connection to downstream manifolds. The suction side is prepared with a 38 mm inlet and a 1/2-13 UNC-2B bolt thread to minimize inlet losses and hold the cover firmly. An ANSI B92.1 13T 16/32 DP spline forms the drive shaft, providing positive torque transfer from the prime mover. NBR sealing material resists common hydraulic oils and maintains leakage control across the specified temperature range. The front cover follows the SAE J744 101-2 two-hole pattern so it mates directly with standard SAE flanges, and the unit is supplied without a valve in the end cover, leaving circuit pressure regulation to external components. Together these interface features simplify installation and help maintain high volumetric efficiency during continuous industrial service.
Technical Specifications
Direction Of Rotation
Clockwise
End Cover
Without Valve
Front Cover
SAE J744 101-2 2-Hole
Geometric Displacement
56 cm³/rev
Max Continuous Pressure
195 bar
Max Intermittent Pressure
225 bar
Max Pressure Peak
250 bar
Max Rotational Speed (at P2)
2300 rpm
Min Rotational Speed (p<100 Bar)
500 rpm
Pressure Port Bolt Thread
7/16-14 UNC-2B
Pressure Port Size
32 mm
Sealing Material
NBR
Shaft Spline Profile
ANSI B92.1 13T 16/32 DP
Suction Port Bolt Thread
1/2-13 UNC-2B
Suction Port Size
38 mm
1620 Old Apex Road
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