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GPA Series Internal Gear Pump | GPA3-63, GPA1-1/2/4-EK1-20R6.3 | High Pressure Servo Pump
| Model Number | GPA1, GPA2, GPA3, GPA3-63-E-20R6.3, GPA1-1-EK1-20R6.3, GPA1-2-EK1-20R6.3, GPA1-4-EK1-20R6.3 |
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Product Description
GPA Series High-Performance Ultra-Quiet Internal Gear Pumps
Product Overview: The GPA Series serves as the vital power core for modern industrial hydraulic and servo-driven systems. As precision internal gear pumps, this range covers full specifications from the compact GPA1 to the high-flow GPA3. This featured selection highlights core models GPA3-63-E-20R6.3 and the precision series GPA1-1-EK1-20R6.3, GPA1-2-EK1-20R6.3, and GPA1-4-EK1-20R6.3. Engineered to meet the rigorous demands of injection molding and bending machines for high pressure (up to 25 MPa) and extreme quietness, these pumps ensure smooth and efficient system operation.
Key Technical Advantages:
Extreme Quietness & Low Pulsation: Utilizing the internal meshing principle, these pumps deliver significantly lower decibel levels and minimal flow ripples, protecting downstream sensitive valves and reducing system vibration.
Perfect Servo Compatibility: Optimized for variable-speed servo drives, maintaining stable high-pressure output even at extremely low RPMs for maximum energy efficiency.
100% Plug-and-Play Replacement: Strictly adheres to industrial OEM specifications. Suffix codes like EK1-20R6.3 guarantee that mounting flanges, shaft ends, and port positions are 100% identical for a seamless installation.
Superior Volumetric Efficiency: Featuring automatic axial and radial pressure compensation to minimize internal leakage, maintaining efficiencies over 93% throughout the pump’s service life.
Compact & Durable Design: High-tensile pump housings combined with precision gear sets provide a smaller footprint while delivering exceptional fatigue resistance and longevity.
Detailed Models & Parameters:
Core Series: GPA, GPA1, GPA2, GPA3 High Pressure Series.
Model Keywords: GPA3-63-E-20R6.3, GPA1-1-EK1-20R6.3, GPA1-2-EK1-20R6.3, GPA1-4-EK1-20R6.3.
Displacements: Covering core specs like 1, 2, 4, and 63 cm³/rev.
Pressure Ratings: Rated at 21 MPa (210 Bar); Peak pressure up to 25 MPa (250 Bar).
Target Applications: Energy-saving servo injection molding machines, CNC bending machines, precision presses, and automated hydraulic power units (HPU).
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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