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The AZPG-1X-045-RDC12MB gear pump is part of the High Performance AZPG Gear Pumps series manufactured by Bosch Rexroth for hydraulic automation tasks where a fixed-displacement source of flow is required. Its geometric displacement of 45 cm³ per revolution defines the amount of oil delivered each shaft turn, while the specified clockwise direction of rotation establishes the mounting orientation in power packs. The pump sustains a maximum continuous pressure of 250 bar so it can drive cylinders and motors during regular duty cycles; it also tolerates 280 bar intermittently for brief load spikes and a 300 bar pressure peak during momentary transients. A maximum rotational speed of 2600 rpm at rated pressure keeps volumetric efficiency high, and a minimum speed of 500 rpm at pressures below 100 bar ensures adequate lubrication during low-load startup.
For higher system pressures the minimum allowable speeds rise; the model must turn at least 800 rpm when the outlet is between 100 and 180 bar and at least 1000 rpm once it exceeds 180 bar, rules that prevent boundary lubrication in the gear mesh. The drive shaft can transmit up to 300 Nm, making it compatible with medium-power electric or diesel prime movers. Mechanical interface follows a two-hole SAE J744 101-2 flange with a 101.6 mm pilot so the housing centers accurately on standard pump mounts. Fluid ports use SAE UN-2B BOSS O-ring threads to simplify leak-free pipework, and NBR sealing material resists common hydraulic oils while maintaining flexibility across typical temperature ranges. Power transfer occurs through a 13-tooth 16/32 pitch spline conforming to ANSI B92.1, allowing direct coupling to standardized shafts without additional adapters.
Direction Of Rotation
Clockwise
Geometric Displacement
45 cm3/rev
Max Continuous Pressure
250 bar
Max Drive Torque (shaft D)
300 Nm
Max Intermittent Pressure
280 bar
Max Pressure Peak
300 bar
Max Rotational Speed (at P2)
2600 rpm
Min Speed (p<100 Bar, Nu=12 Mm2/s)
500 rpm
Min Speed (p=100-180 Bar, Nu=12 Mm2/s)
800 rpm
Min Speed (p=180 Bar-p2, Nu=12 Mm2/s)
1000 rpm
Mounting Flange
2-Hole SAE J744 101-2
Mounting Pilot Diameter
101.6 mm
Port Connection
SAE UN-2B (BOSS O-ring)
Sealing Material
NBR
Shaft Spline
13T 16/32 (ANSI B92.1)
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