Product Description

Rexroth 0510725166 AZPG22-028RCB20MB

The Rexroth 0510725166, model AZPG22-028RCB20MB, is a high-quality external gear pump engineered for demanding hydraulic applications. As part of the reliable AZPG series, this pump is characterized by its robust construction, high volumetric efficiency, and long service life. It provides a nominal displacement of 28 cm³ per revolution and is designed for clockwise rotation. Key features include a tapered 1:5 drive shaft, an SAE A 2-bolt mounting flange for straightforward installation, and SAE flange connections for secure hydraulic line attachment. The pump utilizes NBR seals, making it suitable for use with common mineral oil-based hydraulic fluids.

Technical Specifications:

Part Number: 0510725166
Model Code: AZPG22-028RCB20MB
Pump Type: External Gear Pump
Series: AZPG
Nominal Size Group: 22 (Group 2)
Geometric Displacement (Vg): 28 cm³/rev
Direction of Rotation: Clockwise (viewed from shaft end)
Drive Shaft: Tapered 1:5
Mounting Flange: SAE J744 – 82-2 (A), 2-bolt (Ø82.55 mm pilot)
Hydraulic Ports (Code 20):
- Suction Port: SAE Flange 1″ (3000 psi series)
- Pressure Port: SAE Flange 3/4″ (3000 psi series)
Sealing Material: NBR (Nitrile Rubber)
Max. Continuous Operating Pressure: 250 bar (3625 psi)
Max. Intermittent Pressure (t < 10s): 270 bar (3916 psi)
Max. Peak Pressure (t < 1s): 280 bar (4061 psi)
Permissible Speed Range: 500 – 3000 rpm (Consult specific datasheet for application-dependent limits)
Fluid Temperature Range (NBR seals): -20°C to +80°C