NB Series Linear Co‑axial Internal Gear Pump
A company authorized by the German brand “OKDO” to manufacture and sell gear pumps.
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Keywords: Hydraulic Pump | Gear Pump | OKDO
Detailed Introduction
Product Features
● High pressure
● Low noise
● Long lifespan
● Stable and reliable
The NB series hydraulic pumps developed by Jiangsu Aode Fluid Technology Co., Ltd. are a newly designed hydraulic power component that employs a straight‑line (gear) to straight‑line conjugate curve (gear ring) tooth profile, featuring an oil‑trapping‑free design during operation. The NB series pumps boast advantages such as high pressure, low noise, long service life, and stable, reliable performance, making them widely applicable across various fields.
The straight-line conjugate internal gear pump is hailed in the hydraulic industry as the “pump that never wears out,” and is used in high‑precision, specialized hydraulic systems. Several renowned international companies have developed and promoted it as a flagship product to secure their leading position in the hydraulic pump industry.
The NB series hydraulic pumps combine the high pressure of piston pumps, the low noise and minimal pressure pulsation of helical pumps, along with the operational stability and long service life characteristic of conventional gear pumps. As a fundamental component, the straight conjugate internal gear pump is widely used in forging and pressing machines, forklifts, drilling presses, injection molding machines, ships, Ferris wheels, and aerospace applications.
The NB straight-line conjugate internal gear pump developed by Jiangsu Aode Fluid Technology Co., Ltd. features first‑class design and unique manufacturing processes, with quality reaching the advanced level of similar foreign products, making it a top choice for hydraulic power applications.







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