Rexroth ALA10VO28 & ALA10VO45 Pump | ED72/52R | Electro-Hydraulic Proportional Pump
| Model Number | A10V O 28ED72/52R-VSC12N00P, A10V O 45ED 72/52R-VSC12K68P |
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Product Description
Rexroth ALA10VO Series Electro-Hydraulic Proportional Piston Pump
Product Overview: The Rexroth ALA10VO series is a high-performance axial piston variable displacement pump specifically engineered for mobile open-circuit applications. Flagship models such as the ALA10VO28ED72/52R-VSC12N00P and ALA10VO45ED72/52R-VSC12K68P feature advanced ED72 electro-hydraulic proportional pressure control. By precisely modulating displacement and output pressure via electronic signals, this series integrates seamlessly with modern vehicle control systems, significantly enhancing response speed and energy efficiency in excavators, cranes, and material handling equipment.
Key Technical Advantages:
Precision ED72 Proportional Control: Enables stepless displacement regulation based on input current signals, supporting complex automated power distribution.
High Power Density: Delivers continuous operating pressure of 250 Bar within an ultra-compact footprint, ideal for the dense installation requirements of mobile machinery.
VSC Fluororubber Seals (FKM): Equipped with high-quality FKM seals (Viton) to ensure superior sealing performance and extended service life even in high-temperature hydraulic oil environments.
Low Noise & Wear Resistance: The optimized valve plate design significantly reduces pressure pulsation. Combined with Rexroth-patented bearing technology, it extends maintenance intervals.
100% Mobile OEM Compatibility: Manufactured to strict Rexroth Series 52 standards (e.g., VSC12N00P/VSC12K68P), ensuring flanges and shaft ends align perfectly with original equipment interfaces.
Detailed Models & Parameters:
Core Series: Rexroth ALA10VO Series 52.
Representative Models: ALA10VO28ED72/52R-VSC12N00P, ALA10VO45ED72/52R-VSC12K68P.
Displacements: 28 cm³/rev, 45 cm³/rev.
Control Type: ED72 (Electro-hydraulic proportional control).
Pressure Ratings: Rated at 250 Bar (3600 PSI); Peak surges up to 315 Bar.
Seals: V (FKM/Viton).
Target Applications: Excavator auxiliary pumps, traction drive systems, truck-mounted cranes, concrete pump trucks, and municipal vehicle hydraulics.



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