Bosch Rexroth | AZPG-22-025RQC12MB
AZPG-22-025RQC12MB
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The AZPG-22-025RQC12MB gear pump is part of the High Performance AZPG Gear Pumps series manufactured by Bosch Rexroth for fixed-displacement hydraulic systems. Its geometric displacement is 25 cm³ per revolution, providing a predictable flow rate that scales linearly with drive speed. Clockwise rotation supports right-hand powertrain arrangements commonly found in mobile equipment. A flange pilot diameter of 101.6 mm aligns the housing accurately on the SAE J744 101-2 (B) mounting flange, and a 25.4 mm shaft diameter fits standard B-size drive couplings. The pump tolerates rotational speeds up to 3000 rpm, enabling high output without oversizing the prime mover.
Continuous and intermittent pressure limits are both 250 bar, while short pressure peaks may reach 300 bar, allowing the circuit to absorb transient shocks without damage. A maximum shaft torque of 180 Nm for code Q indicates the mechanical load that the drive train must transmit at rated pressure. The unit is designed for HLP mineral oil according to DIN 51524, and NBR sealing material provides compatibility with this fluid type. A pressure port thread of 1 1/16-12 UN-2B and a suction port thread of 1 5/16-12 UN-2B accept common SAE O-ring boss fittings to simplify plumbing. Minimum operating speed is 600 rpm when the fluid viscosity is 25 mm²/s at the outlet, preventing excessive slip and ensuring reliable priming.
Technical Specifications
Flange Pilot Diameter
101.6 mm
Geometric Displacement
25 cm³/rev
Hydraulic Fluid
HLP Mineral Oil (DIN 51524)
Max Continuous Pressure
250 bar
Max Intermittent Pressure
250 bar
Max Pressure Peak
300 bar
Max Rotational Speed
3000 rpm
Max Shaft Torque (code Q)
180 Nm
Min Speed (ν=25 Mm²/s At P2)
600 rpm
Mounting Flange
SAE J744 101-2 (B)
Pressure Port Thread
1 1/16-12 UN-2B
Rotation
Clockwise
Sealing Material
NBR
Shaft Diameter
25.4 mm
Suction Port Thread
1 5/16-12 UN-2B
1620 Old Apex Road
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