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Rexroth A4VSO Series Pump | A4VSO125, A4VSO250, A4VSO500 | 350 Bar Variable Pump
| Model Number | A4VSO125DR/22R-PPB13N00, A4VSO250HS4/30R-VPB25UB4, A4VSO250HS4/30R-PPB13K26 |
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Product Description
Rexroth A4VSO Series (Series 30) Heavy-Duty Industrial Variable Pump
Product Overview: The Rexroth A4VSO series is a flagship swashplate-designed axial piston variable pump engineered for Open Circuit industrial hydraulic systems. As the industry standard for Series 30, it covers a massive displacement range from 40cc to the colossal 500cc (A4VSO500). Renowned for its exceptional power density and reliability under a continuous rated pressure of 350 Bar, the A4VSO is the premier choice for metal processing, power generation, and heavy-duty test rigs. Equipped with versatile controls like DR (Pressure Control), LR (Power Control), or HS4 (Servo Proportional Control), it delivers unmatched dynamic response.
Key Control Methods & Technical Advantages:
Comprehensive Control Logic Integration:
DR / DRG Control: Pressure compensation, ideal for systems requiring long pressure-holding cycles and maximum stability.
LR Power Control: Automatically modulates flow to match engine/motor power curves, preventing overload.
HS4 / HD Control: High-performance electro-hydraulic servo control (e.g., A4VSO250HS4) for high-dynamic digital regulation of pressure and flow.
EO / MA Control: Electronic or manual regulation offering superior operational flexibility.
Heavy-Duty Industrial Service Life: Engineered for continuous 24/7 duty cycles. Rated at 350 Bar (5100 PSI) with peak cycles up to 400 Bar, the reinforced bearing structure handles high-frequency vibrations and shock loads.
Advanced Noise Reduction: Utilizing Rexroth’s patented decompression slots and dampened housing design to significantly reduce noise pollution during high-displacement operation.
Robust Thru-Drive Capability (PPB/VPB): Superior thru-drive performance indicated by codes such as PPB13 or VPB25 allows for tandem mounting of secondary pumps, facilitating compact multi-circuit power distribution.
Detailed Models & Parameters:
Core Series: Rexroth A4VSO (Series 30).
Detailed Config Codes: A4VSO250HS4/30R-PPB13K26, A4VSO250HS4/30R-VPB25UB4.
Displacements: 40, 71, 125, 180, 250, 355, 500 cm³/rev.
Pressure Ratings: Rated at 350 Bar (35 MPa); Peak cycles up to 400 Bar (40 MPa).
Rotation: R (Clockwise).
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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