Rexroth A10VO A10VSO Pump | A10VO28, A10VO45 | ED72 Electro-Proportional Control
| Model Number | A10VO45ED72/31R-VSC12N00P-SO52, A10V O 28ED 72/52L-VSC12K68H A10VO45ED72/31R-VSC12N00P-SO52 |
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Product Description
Rexroth A10VO & A10VSO Series Electro-Proportional Variable Pump
Product Overview: The Rexroth A10VO (Mobile) and A10VSO (Industrial) series are the gold standard for mid-to-high pressure axial piston variable pumps. This featured range highlights models equipped with ED72 Electro-Proportional Pressure Control (e.g., A10VO28 and A10VO45). By utilizing a proportional solenoid to achieve remote and continuous pressure adjustment, these pumps—built on the proven Series 31 and Series 52 platforms—ensure high precision and energy efficiency for automated hydraulic systems.
Key Technical Advantages:
ED72 Digital Precision Control: Models like A10VO28ED72 and A10VO45ED72 allow for linear, remote adjustment of the pressure cut-off via input current, making them ideal for automated lines requiring multi-stage pressure cycles.
Cross-Series Platform Versatility: Spanning the well-established Series 31 (Industrial standard) and the more compact Series 52 (High power density), ensuring stable power delivery regardless of space constraints.
Heavy-Duty High-Pressure Performance: Designed for Open Circuit systems with a rated operating pressure of 280 Bar (4000 PSI) and peak cycles up to 350 Bar (5100 PSI). Reinforced rotating groups ensure sustained volumetric efficiency.
Robust Thru-Drive Capability (K68H): Features superior thru-drive performance. The VSC12K68H specification allows for tandem mounting of a secondary pump, facilitating compact multi-circuit power distribution.
Specialized Customization (SO52): The SO52 customized version optimizes internal damping and response characteristics for specialized industrial applications, ensuring operational stability under unique conditions.
Detailed Models & Parameters:
Core Series: A10VO, A10VSO (Series 31 & 52).
Representative Models: A10VO28ED72/52L-VSC12K68H, A10VO45ED72/31R-VSC12N00P-SO52.
Control Method: ED72 (Electro-proportional pressure control).
Displacements: 28 cm³/rev, 45 cm³/rev.
Pressure Ratings: Rated at 280 Bar (28 MPa); Peak cycles up to 350 Bar (35 MPa).
Rotation: L (Counter-clockwise) / R (Clockwise).



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