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Rexroth A4VG71 Series Pump | A4VG71EP3D, A4VG71EP4D | 400 Bar Closed Circuit Pump
| Model Number | A4VG71 |
|---|
Product Description
Rexroth A4VG71 Series Closed Circuit Axial Piston Variable Pump
Product Overview: The Rexroth A4VG71 series is a high-performance swashplate-type axial piston variable pump specifically engineered for Closed Circuit hydrostatic transmissions. As a core mid-to-heavy duty model (71cc) within the A4VG family, it is renowned for its exceptional power density and rapid response under complex operational conditions. Integrated with a charge pump and advanced electro-hydraulic proportional control options like EP3D and EP4D, this series enables seamless digital integration for precise travel drive and power distribution.
Key Technical Advantages:
Precise Electro-Proportional Control (EP): * The A4VG71EP3DT1/32R model features EP3D control with integrated pressure cut-off, automatically reducing displacement when the system hits the preset pressure limit.
The A4VG71EP4D1/32L provides advanced electronic modulation, supporting 12V/24V signals for smooth, stepless displacement adjustment.
Superior High-Pressure Durability: Supports a rated pressure of 400 Bar and peak cycles up to 450 Bar. Reinforced swashplate supports and high-precision piston groups maintain peak mechanical efficiency under continuous heavy-duty cycling.
Highly Integrated Closed System: Features a fully integrated charge pump and built-in boost/high-pressure relief valves, drastically simplifying piping for closed-loop systems and reducing potential leak points.
Flexible Drive Configurations: Equipped with thru-drive capability (F071/F001 specs), supporting tandem mounting for secondary pumps to fulfill multi-circuit driving requirements.
Detailed Models & Technical Parameters:
Core Models: A4VG71 (Series 32).
Detailed Config Codes: A4VG71EP3DT1/32R-NAF02F071FP, A4VG71EP4D1/32L-NZF02F001SP.
Displacement: 71 cm³/rev (71cc).
Pressure Ratings: Rated at 400 Bar (40 MPa / 5800 PSI); Peak cycles up to 450 Bar (45 MPa).
Control Methods: EP (Electro-proportional Control with Pressure Cut-off).
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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Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
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Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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