Bosch Rexroth | AZPF-12-005RNT20MB
AZPF-12-005RNT20MB
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The AZPF-12-005RNT20MB gear pump belongs to the AZPF External High Performance Gear Pumps series and is manufactured by Bosch Rexroth for hydraulic automation circuits. Designed to move oil from reservoir to actuator, it rotates clockwise to suit engines and motor drives that turn in the same direction. A displacement of 5.5 cm³ per revolution sets the nominal volume flow per shaft turn, allowing predictable cylinder or motor speed. Continuous operation is supported up to 250 bar so the unit can supply medium-pressure lines without overheating. Minimum speed of 500 rpm at pressures below 100 bar keeps internal lubrication intact during slow duty cycles, while a maximum speed of 4000 rpm at the P2 shaft ensures adequate flow during rapid machine movements. A rectangular flange port labeled size 20 aligns with common manifold faces, and NBR sealing resists typical mineral hydraulic oils, preventing external leakage.
For short overloads the same pump endures 280 bar, and it tolerates brief spikes to 300 bar, letting actuators accelerate or decelerate without installing a separate surge damper. Four grade-10.9 M10 mounting bolts fasten the housing, and the 4-bolt Ø52 mm interface positions the pump precisely on power take-offs. Auxiliary components can be fixed with M6 screws that seat 13 mm deep in the casting, adding brackets or damping plates when needed. A 52.9 mm spigot centers the shaft relative to the drive, preventing misalignment that would raise bearing loads. The standard rear cover given by code B fits general-purpose power units, avoiding the need for custom parts. Finally, a weight of 2.5 kg allows one technician to install or replace the pump without hoists, reducing downtime during routine service.
Technical Specifications
Direction Of Rotation
Clockwise (R)
Displacement
5.5 cm3/rev
Max Continuous Pressure
250 bar
Max Intermittent Pressure
280 bar
Max Peak Pressure
300 bar
Maximum Speed (at P2)
4000 rpm
Minimum Speed (p<100 Bar)
500 rpm
Mounting Bolts
4 × M10 (10.9)
Mounting Interface
4-Bolt Mount Ø52 mm (T)
Mounting Screws
M6, 13 mm Deep
Port Connection
Rectangular Flange (20)
Rear Cover
Standard (B)
Seal Material
NBR (M)
Spigot Diameter
52.9 mm
Weight
2.5 kg
1620 Old Apex Road
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