Bosch Rexroth | AZPF-12-022RQR12MB
AZPF-12-022RQR12MB
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The AZPF-12-022RQR12MB pump belongs to the AZPF External High Performance Gear Pumps series from Bosch Rexroth and supplies fixed-displacement flow for hydraulic automation circuits. A displacement of 22 cm³ per revolution defines the volume delivered each turn and assists in sizing cylinders or motors. Clockwise rotation is specified, so the prime mover must drive the unit in that direction. During short load peaks the housing withstands 140 bar, accommodating intermittent pressure spikes. The drive line may run up to 2500 rpm, a limit that protects the gear set from premature wear. The shaft follows SAE J744 16-1 A with a diameter of 15.875 mm, ensuring interchangeability with standard couplings, while an NBR seal contains the hydraulic fluid under typical operating temperatures.
The housing attaches with a 2-bolt flange built to SAE J744 82-2 (A), allowing direct replacement in equipment using this interface. Mounting bolts engage M6 threads to a depth of 13 mm, which defines acceptable screw length and clamping force. Pressure and return lines connect through an R12 UNF O-Ring port that seals via radial elastomers instead of pipe taper. A 4 × 20 mm shaft key cut to DIN 6885 transmits torque without slip, and the rear cover is supplied without a valve so external flow control must be provided. Total weight is 4.0 kg, light enough for manual handling yet heavy enough to damp vibration; together these mounting details permit quick exchange during maintenance.
Technical Specifications
Direction Of Rotation
Clockwise
Displacement
22 cm3/rev
Flange Standard
SAE J744 82-2 (A)
Flange Type
2-Bolt
Max Pressure (intermittent)
140 bar
Max Speed
2500 rpm
Mount Thread Depth
13 mm
Mounting Bolt Thread
M6
Port Connection
UNF O-Ring (R12)
Rear Cover
Without Valve
Seal Material
NBR
Shaft Diameter
15.875 mm
Shaft Key Size
4 x 20 (DIN 6885)
Shaft Standard
SAE J744 16-1 A
Weight
4.0 kg
1620 Old Apex Road
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