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The AZPF-21-022LFO30PB gear pump belongs to the AZPF External High Performance Gear Pumps series and is produced by Bosch Rexroth for hydraulic automation tasks. It has a displacement of 22 cm³ per revolution, delivering a fixed fluid volume for predictable actuator movement. Rotation speeds can reach 3000 rpm, supporting fast cycle times in compact power units. The pump tolerates intermittent operating pressures up to 210 bar and survives peak surges of 230 bar without structural failure. HLP mineral oil to DIN 51524 is the designated working medium, ensuring proper lubrication and material compatibility. The complete assembly weighs 4.2 kg, a consideration when sizing mounts or manifold supports.
Fluid cleanliness is limited to ISO 4406 class 21/18/15 to protect the gear set from abrasive wear. An 84 mm mounting pilot diameter centers the housing on common motor flanges. M6 × 13 mm screws clamp the pump in place and resist torsional loads. The minimum usable spline length of 14.8 mm guarantees sufficient engagement with drive shafts. Gear tooth thickness is held to 3.200 − 0.030 mm, maintaining volumetric efficiency. A shaft seal measuring 17 × 30 × 7 mm blocks oil escape, and its FKM elastomer withstands heat and mineral oil exposure.
Displacement
22 cm³/rev
Fluid Cleanliness
ISO 4406 21/18/15
Hydraulic Fluid
HLP Mineral Oil (DIN 51524)
Max Intermittent Pressure
210 bar
Max Peak Pressure
230 bar
Max Rotation Speed
3000 rpm
Mounting Pilot Diameter
84 mm
Mounting Screw Thread
M6 × 13 mm
Seal Material
FKM (FPM)
Shaft Seal Size
17×30×7 mm
Tooth Thickness Sw
3.200−0.030 mm
Usable Spline Length (min)
14.8 mm
Weight
4.2 kg
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