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GPA Series Low Noise Internal Gear Pump | GPA1, GPA2, GPA3 | GPA2-16-E-20-R6.3 | Servo Hydraulic Pump
| Model Number | GPA1-1-1 2 2 4 4, GPA2-2-2 4 6 10 |
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Product Description
GPA Series High-Performance Low Noise Internal Gear Pumps
Product Overview: The GPA Series is specifically engineered for modern hydraulic systems demanding stringent noise control and exceptional pressure stability. As a precision internal gear pump, this series spans from the compact GPA1 to the heavy-duty, high-displacement GPA3. This range features the flagship model GPA2-16-E-20-R6.3 and a full displacement spectrum from 1ml/r to 63ml/r. Its unique internal meshing design ensures smooth axial fluid delivery, completely eliminating fluid trapping—making it the definitive power source for energy-saving servo injection molding machines and precision machine tool stations.
Key Technical Advantages:
Ultimate Silent Operation: Specialized straight-line conjugate gear profiles ensure an incredibly smooth meshing process. Operating noise is significantly lower than traditional external gear pumps, typically remaining below 60 dB.
Minimal Pulsation & High Precision: Delivers a nearly ripple-free flow, drastically reducing system vibration and noise while enhancing the positioning accuracy of hydraulic actuators.
Dual Pressure Compensation: Equipped with axial and radial pressure compensation mechanisms, maintaining a volumetric efficiency above 95% across the entire operating range.
Optimized for Servo Drive Systems: Supports high-pressure holding at ultra-low RPMs, serving as a core component for modern energy-saving servo-driven hydraulic circuits.
Target Applications: CNC press brakes, servo injection molding machines, laboratory hydraulic test benches, compact lifting platforms, and precision machine tool lubrication.
Detailed Models & Parameters:
Core Series: GPA Series (GPA1, GPA2, GPA3).
Model Keywords: GPA2-16-E-20-R6.3, GPA1-1, GPA1-2, GPA1-4, GPA2-2, GPA2-4, GPA2-6, GPA2-10, GPA3-25, GPA3-40, GPA3-63.
Displacements (ml/r): Comprehensive matrix: 1, 2, 4, 6, 10, 16, 25, 40, 63 ml/r.
Pressure Ratings: Rated at 16-21 MPa (160-210 Bar); Peak pressure capabilities up to 25 MPa (250 Bar).
Technical Specs: R (Clockwise Rotation); E (Specific Flange Protocol); R6.3 (Technical modification code).
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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