Danfoss 90L130 Series Axial Piston Variable Pump
3 week ago
Product details
Hydraulic Pump Replacement for Danfoss 90L130 Series Axial Piston Variable Pump
1. Overview of the Danfoss 90L130 Series Axial Piston Variable Pump
The Danfoss 90L130 series is a high-performanceaxial piston variable pumpdesigned for closed-loophydraulic systems. It features:
• Variable displacementfor adjustable flow rates.
• High power density and compact design.
• Parallel-arranged axial pistonswith a swashplate mechanism for precise control.
• Integratedhydraulic piston pumpfunctions for pressure regulation and cooling.
• Compatibility withplus+1™ controllersfor advanced system integration.
This pump is widely used inmobile machinery, including excavators, cranes, and construction equipment, where precise control and high efficiency are critical.
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2. Key Considerations for Replacement Hydraulic Pumps
When selecting a replacementhydraulic pumpfor the Danfoss 90L130 series, the following factors must be evaluated:
a. Performance Matching
• Displacement & Flow Rate: Ensure the replacement pump matches the 90L130’s displacement range (e.g., 75–130 cc/rev).
• Pressure Rating: The 90L130 operates at up to420 bar (6,090 psi); the replacement must meet or exceed this.
• Efficiency: Look for pumps with similar volumetric and mechanical efficiency to maintain system performance.
b. Design Compatibility
• Mounting Interface: The replacement must fit the same mounting dimensions and shaft connections.
• Port Configuration: Ensure inlet/outlet ports align with the existinghydraulic systemlayout.
• Control Mechanism: If the 90L130 uses electro-hydraulic or manual controls, the replacement should support the same method.
c. Application-Specific Features
• Closed-Loop System Support: The 90L130 is designed for closed-loop circuits; the replacement must handle bidirectional flow and pressure regulation.
• Durability: Select pumps with robust materials (e.g., hardened steel pistons) for long-term reliability in harsh environments.
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3. Recommended Replacement Hydraulic Pumps
Severalhydraulic piston pumpsfrom reputable manufacturers can serve as alternatives to the Danfoss 90L130:
a. Sauer-Danfoss 90R130 Series
• Model: 90R130HF1BC80L4C8H03GBA262624
• Key Features:
• Matches the 90L130’s displacement and pressure ratings.
• Compatible withplus+1™ controllersfor seamless integration.
• Designed for closed-loop systems with integrated cooling and pressure control.
• Application: Ideal for construction machinery, material handling, and agricultural equipment.
b. Parker Hannifin PV Series
• Model: PV140 or PV180 (depending on displacement needs)
• Key Features:
• High-efficiency axial piston design with variable displacement.
• Robust construction for heavy-duty use.
• Supports pressure ratings up to450 bar (6,527 psi).
• Application: Suitable for industrial machinery, mining equipment, and marine systems.
c. Eaton 68V Series
• Model: 68VQ (e.g., 68VQ-125)
• Key Features:
• Compact design with high power density.
• Variable displacement for precise flow control.
• Pressure ratings up to420 bar (6,090 psi).
• Application: Perfect for mobile hydraulics, including forestry and construction equipment.
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4. Comparison Table: Danfoss 90L130 vs. Replacement Pumps
【表格】
Feature Danfoss 90L130 Sauer-Danfoss 90R130 Parker PV140 Eaton 68VQ-125
Displacement (cc/rev) 75–130 75–130 140 125
Max Pressure (bar) 420 420 450 420
Control Type Electro-hydraulic Electro-hydraulic Manual/Electro Manual/Electro
Efficiency (%) ~92 ~92 ~90 ~91
Best For Closed-loop systems Closed-loop systems Industrial/Mobile Mobile hydraulics
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5. Final Recommendation
For adirect replacementof the Danfoss 90L130 series, theSauer-Danfoss 90R130is the best choice due to its identical design and compatibility with existinghydraulic systems. If a higher flow rate is needed, theParker PV140orEaton 68VQ-125are excellent alternatives, provided the system can accommodate their larger displacement.
Always consult with a hydraulic system expertto ensure proper sizing and integration before replacing critical components.
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