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Rexroth A7V & A7VO Series | A7V250EL, A7V250HD, A7VO55LRDS | Bent Axis Piston Pump & Motor

Model Number

A7V117HD1RPF00, A7V250HD5.1 RPF00, A7VO55LRDS/63L-NZB01-S

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Product Description

Rexroth A7V & A7VO Series Bent Axis Variable Piston Pump/Motor

Product Overview: The Rexroth A7V and A7VO series represent the pinnacle of high-performance bent-axis design in the hydraulic industry. Renowned for their superior power density and extreme operating pressures, these units are essential for heavy-duty applications. Featured models like the A7V250EL5.1RPF00 (Electric Control) and A7V250HD5.1RPF00 (Hydraulic Pilot) are extensively used in heavy cranes, dredging equipment, steel mills, and mining machinery. Additionally, the A7VO55LRDS/63L-NZB01-S (Series 63) integrates advanced Load Sensing and Power Limiting (LRDS) controls for precise power distribution in mobile machinery.

Key Technical Advantages:

  • Bent Axis Design: Compared to swashplate pumps, the bent-axis architecture offers superior self-priming capabilities and higher mechanical efficiency, particularly under high-pressure startup conditions.

  • Versatile Precision Control Mechanisms:

    • EL (Electric Control): Provides digital displacement regulation, ideal for complex automated control systems.

    • HD (Hydraulic Pilot Control): Features classic hydraulic pilot regulation for smooth response and high interference resistance.

    • LRDS (Load Sensing & Power Limiting): Combines pressure/flow sensing with power limitation to prevent engine overload and maximize energy efficiency.

  • Ultra-High Operating Pressure: Rated for up to 350 Bar (5000 PSI) continuous operation, with peak capabilities reaching 400 Bar.

  • Full Lifecycle Durability: Robust rotating groups and heavy-duty bearing designs ensure long-term stability in harsh industrial environments, reducing overhaul frequency.

  • 100% OEM Specification Match: Manufactured to strict Rexroth Series 5.1 and 63 standards, offering various flange and shaft options for seamless “drop-in” replacement.

Detailed Models & Parameters:

  • Core Series: Rexroth A7V Series 5.1 / A7VO Series 63.

  • Representative Models: A7V250EL5.1RPF00, A7V250HD5.1RPF00, A7VO55LRDS/63L-NZB01-S.

  • Displacement Range: 55 cm³/rev, 250 cm³/rev.

  • Pressure Ratings: Rated at 350 Bar (5000 PSI); Intermittent peak support up to 400 Bar.

  • Rotation: R (Clockwise/CW), L (Counter-Clockwise/CCW).

  • Target Applications: Heavy-duty winch drives, open-circuit power units, crawler cranes, and large industrial presses.

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.
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Our Advantages

Fast & Reliable Delivery

We optimize global logistics channels to ensure every customer receives their goods on time, anywhere in the world.

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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