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Series 31 Variable Vane Pump | 31LA, 31LB, 31LC, 31LH | Pressure Compensated
| Model Number | 31L1-03000, 31LH-00200, 31LB-00400, 31LA-00800, 31LC-00600 |
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Product Description
Series 31 High-Performance Variable Displacement Vane Pumps
Product Overview: The Series 31 variable displacement vane pump is the definitive solution for precise flow control and superior energy efficiency in modern industrial hydraulic systems. Engineered as a premium Pressure Compensated unit, it instantaneously adjusts flow output based on real-time load demands. This featured range highlights core 31 Series specifications: 31L1-03000, 31LH-00200, 31LB-00400, 31LA-00800, and 31LC-00600. Featuring a unique slider-balanced structure, the Series 31 automatically minimizes displacement once the preset pressure is reached, significantly reducing system heat and electrical power consumption.
Key Technical Advantages:
Automatic Energy Saving: High-precision pressure regulators ensure minimal flow during pressure-holding states, eliminating wasted overflow and boosting system efficiency by over 30%.
Rapid Dynamic Response: Provides millisecond-level flow switching, ensuring smooth and precise movements for machine tool feeds or automated cycles to enhance overall productivity.
Ultimate Silent Operation: Specialized silenced stator geometry and precision-ground vanes effectively absorb fluid pulsations, maintaining exceptionally low decibel levels even during full 7.0 MPa operation.
Low Heat Generation: By minimizing thermal buildup from unnecessary circulation, it protects seals and hydraulic valves, extending service life and reducing the need for cooling equipment.
Target Applications: CNC cutting machines, automated production lines, specialized grinders, injection molding auxiliary circuits, and eco-friendly industrial Hydraulic Power Units (HPU).
Detailed Models & Parameters:
Core Series: 31 Series (Variable Displacement Vane Pump).
Model Keywords: 31L1-03000, 31LH-00200, 31LB-00400, 31LA-00800, 31LC-00600.
Flow Ratings (L/min @ 1800rpm): Including frame sizes 002, 004, 006, 008, and 030.
Technical Specs: LA / LB / LC / LH (Displacement and pressure range combination identifiers); 31L1 (Design sequence identifier).
Max Operating Pressure: Rated continuous working pressure up to 7.0 MPa (70 Bar).
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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