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0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany

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0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany

0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany
0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany

Large Image :  0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany

Product Details:
Place of Origin: Germany
Brand Name: Rexroth
Certification: ISO
Model Number: 0510225023 AZPF-1X-004RAB01MB
Payment & Shipping Terms:
Minimum Order Quantity: 1
Packaging Details: wooden box
Delivery Time: 2 weeks
Payment Terms: Western Union,T/T,D/P,D/A,L/C
Supply Ability: 100
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0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany

Description
Manufacturer Part No.​: 0510225023 Geometric Displacement​: 4.0 Cm³/rev
Housing Material​: Aluminum Mounting Flange​: Rectangular Flange, Ø80 Mm
Fluid Cleanliness​: NAS 1638 Class 10 (Recommended: Class 9)
Highlight:

Rexroth gear pump AZPF-1X-004RAB01MB

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German-made Rexroth gear pump

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Rexroth hydraulic gear pump with warranty

0510225023 AZPF-1X-004RAB01MB Rexroth Gear Pump Made in Germany
Product Specifications
Parameter Specification
Manufacturer Part No. 0510225023
Pump Type External Gear Pump, Fixed Displacement
Series / Platform AZPF Series F (High Performance)
Geometric Displacement 4.0 cm³/rev
Rotation (viewed from shaft end) Clockwise (Right-Hand)
Pressure Ratings Max. Continuous: 250 bar
Max. Intermittent: 280 bar
Peak Pressure: 300 bar
Speed Range Recommended: 1000 - 3000 rpm
Maximum: 4000 rpm (dependent on suction conditions)
Drive Shaft Straight Cylindrical Shaft, Ø18 mm (ISO), with Key
Port Connection SAE O-ring Straight Thread (UN/SAE)
Mounting Flange Rectangular Flange, Ø80 mm
Housing Material Aluminum
Sealing Material NBR (Standard, for mineral oils)
Weight Approx. 2.8 kg
Hydraulic Fluid Mineral-based oils (HL, HLP), HFC, HFD, HETG, HEES
Viscosity Range 12 - 800 mm²/s (Optimal: 20 - 100 mm²/s)
Fluid Cleanliness NAS 1638 Class 10 (Recommended: Class 9)
Rexroth AZPF Series Gear Pump - Technical diagram and product image
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Frequently Asked Questions
Basic Parameters & Selection
Q: What is the displacement and pressure rating of this pump?
A: The geometric displacement is 4.0 cm³/rev. It has a maximum continuous working pressure of 250 bar, an intermittent pressure of 280 bar, and a peak pressure of 300 bar.
Q: What type of shaft and port connection does this model have?
A: This model (RAB) features a straight cylindrical shaft (Ø18 mm) with a keyway. The port connection is SAE O-ring straight thread (UN/SAE), which is different from the metric threaded or flanged ports found in other AZPF models.
Q: What is the rotation direction?
A: Clockwise rotation when viewed from the shaft end.
Installation & Commissioning
Q: What are the critical installation requirements?
A:
  • Shaft Alignment: Use a flexible coupling. Radial runout should be < 0.1 mm, angular error < 1 degree. Rigid connections cause bearing failure.
  • Suction Conditions: Inlet absolute pressure must be ≥ 0.7 bar to prevent cavitation. For this small displacement pump, ensure the suction line is short and direct.
  • Priming: Never run the pump dry. Fill the housing with clean oil before the first start.
Q: How should the case drain port be connected?
A: The drain line must connect directly to the tank (no valves/filters), below the fluid level but above the pump centerline. Backpressure must not exceed 1 bar.
Operation & Troubleshooting
Q: The pump is very noisy. What is the cause?
A: Noise is usually cavitation (whining) or aeration (crackling).
  • Cavitation: Check for clogged inlet filters, high oil viscosity, or low oil level.
  • Aeration: Check for air leaks in the suction line.
  • Mechanical Noise: Check for shaft misalignment or worn bearings.
Q: How do I calculate the actual flow output?
A: Theoretical flow = 4.0 (cm³/rev) × Speed (rpm) / 1000. Actual flow will be 5-10% lower due to internal leakage. A drop of more than 15% indicates significant wear.
Q: The pressure does not reach the rated value. What is wrong?
A: Common causes include:
  1. Internal Wear: Increased clearance between gears and side plates.
  2. System Leakage: Check relief valves and actuators.
  3. Low Motor Speed or incorrect system settings.
Maintenance
Q: What type of oil and cleanliness are required?
A: Use ISO VG 32/46/68 mineral-based oils (HL, HLP). The oil cleanliness must be NAS Class 9 or cleaner (ISO 4406 18/16/13) for long bearing life.
Q: Can I repair this pump myself?
A: Not recommended for critical applications. While seals can be replaced, rebuilding the precision sliding bearings and pressure-compensated side plates requires special tools and testing. An exchange unit is often safer.
Q: What is the expected service life?
A: Under correct conditions (clean oil, proper viscosity, rated load), the B10 life can reach several thousand hours. Oil contamination is the primary cause of premature failure.
Disclaimer: This data is based on standard Rexroth AZPF series documentation. Always refer to the official datasheet (RE 10 250) for your specific application and safety guidelines.

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