GPA Series Internal Gear Pump | GPA2-10, GPA1-4, GPA2-16 | Low Noise High Pressure Pump | GPA2-10-E-20
| Model Number | GPA2-10-E-20-R6.3 6/16, GPA1-4/2 40/25/63, GPA2-10-E-30-R, GPA2-16-E20 |
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Product Description
GPA Series High-Pressure Low-Noise Internal Gear Pumps
Product Overview: The GPA Series internal gear pumps are recognized as the “silent power source” for industrial hydraulic systems. Specifically engineered for high pressure, extended service life, and minimal pressure pulsation, this series offers a comprehensive displacement matrix from the compact GPA1 to the heavy-duty GPA2. Featured models like GPA2-10-E-20-R6.3, GPA1-4, and GPA2-16-E20 leverage precision internal gearing to deliver exceptionally smooth power at continuous pressures up to 250 Bar. They are the premier choice for plastic injection molding machines, hydraulic lifts, forklift hydraulics, and various indoor industrial power units.
Key Technical Advantages:
Exceptional Noise Reduction: The unique internal meshing design significantly reduces noise caused by fluid trapping, operating at decibel levels far below conventional external gear pumps.
High Volumetric Efficiency: Features axial and radial pressure compensation, ensuring maximum output efficiency across varying pressures and fluid viscosities.
Low Pressure Pulsation: Smooth flow output minimizes system vibration, protecting hydraulic components and extending the overall machine lifespan.
Rugged & Compact Architecture: Constructed with high-strength cast-iron housings and hardened internal gears to withstand frequent pressure spikes and high-frequency reversals.
Global Compatibility: Strictly adheres to SAE or European standard mounting flanges, facilitating seamless “drop-in” replacement for OEM equipment.
Detailed Models & Parameters:
Core Series: GPA Series (Internal Gear).
Model Keywords: GPA1-4, GPA2-10, GPA2-16, GPA2-10-E-20-R6.3, GPA2-16-E20, GPA2-10-E-30-R.
Displacement & Speed: Covers 4cc, 10cc, 16cc and more (e.g., 6.3 ml/rev).
Pressure Ratings: Rated operating pressures 25-160 Bar; Peak capability up to 250 Bar.
Rotation: R (Clockwise/CW); L (Counter-clockwise/CCW).
Target Applications: Injection molding machines, hydraulic lifts, material handling equipment, servo-hydraulic systems, and machine tool cooling.

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