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Rexroth A4VSO Pump | A4VSO250LR, A4VSO750LR3 | A4VSO Series 45-750 | Variable Piston Pump
| Model Number | A4VSO250LR/30R-PB13N00, A4VSO750LR3DN/30L-VZH25N00 |
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Product Description
Rexroth A4VSO Series Heavy-Duty Industrial Variable Piston Pump
Product Overview: The Rexroth A4VSO series is a high-performance, heavy-duty axial piston variable displacement pump engineered for open-circuit industrial hydraulic systems. Known for its extreme reliability, superior pressure resistance, and extended service life, this series is the global power standard for heavy machinery. Featured models like the A4VSO250LR/30R-PB13N00 and the massive A4VSO750LR3DN/30L-VZH25N00 integrate precision Power Control (LR/LR3), which automatically modulates displacement based on system load to prevent prime mover overload and maximize energy savings. It is the premier choice for metal presses, forging machinery, and central hydraulic units in power and steel plants.
Key Technical Advantages:
Comprehensive Displacement Range: Available from 45cc up to 750cc, catering to power requirements from individual units to massive heavy-industrial systems.
LR/LR3 Constant Power Control: Automatically regulates pump output flow to match preset power limits, ensuring the engine or motor operates within its peak efficiency range while preventing stalling.
Extended Industrial Service Life: Optimized for continuous high-pressure environments (rated at 350 Bar), with reinforced bearings and high-strength swashplate designs supporting 24/7 industrial production.
Low Noise & Low Pulsation: The optimized valve plate design and heavy-duty damped housing significantly reduce operational noise and pressure ripples.
100% Industrial OEM Compatibility: Manufactured to strict Rexroth Series 30 standards, providing various shaft and flange options for seamless “drop-in” replacement.
Detailed Models & Parameters:
Core Series: Rexroth A4VSO Series 30.
Displacement Matrix: 45, 71, 125, 180, 250, 355, 500, 750 cm³/rev.
Representative Models: A4VSO250LR/30R-PB13N00, A4VSO750LR3DN/30L-VZH25N00.
Pressure Ratings: Rated at 350 Bar (5000 PSI) continuous; Peak support up to 400 Bar.
Control Types: LR (Power Control), LR3 (Power Control with Pressure Cut-off), DR (Pressure Control), DFR (Load Sensing).
Target Applications: Heavy hydraulic presses, aluminum extrusion machines, scrap shears, offshore engineering, and steel mill power units.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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