High pressure gear pumps are critical components in various hydraulic systems, especially in industries where high-pressure fluid transfer is required. These pumps are specifically designed to generate and handle high-pressure flows of hydraulic fluid, making them essential for applications in manufacturing, construction, automotive, and many other sectors.

A high-pressure gear pump is a type of positive displacement pump that uses the meshing of gears to transfer hydraulic fluid under high pressure. It consists of two main gears: an input (drive) gear and an output (driven) gear, which rotate inside a casing. As the gears mesh together, they create cavities that trap and move hydraulic fluid from the intake side to the discharge side of the pump. This mechanism allows for the generation of high pressures, making gear pumps suitable for demanding applications that require consistent fluid flow and high-pressure delivery.

These pumps are typically powered by an electric motor or engine, which drives the input gear. As the gears rotate, the fluid is pushed through the pump, creating the necessary pressure to operate hydraulic machinery or systems. High-pressure gear pumps are often used in closed-loop hydraulic circuits, where precise control over the fluid flow and pressure is crucial.

High-pressure gear pumps work on the principle of positive displacement, which means that they move a fixed volume of fluid with each rotation of the gears. The gears rotate in a way that allows fluid to be drawn into the pump from the suction side, trapped between the gear teeth, and then pushed out through the discharge port. The rotation of the gears creates a continuous flow of hydraulic fluid, which is then directed to the hydraulic system where it powers machinery or actuates pistons, cylinders, or motors.

The high pressure is achieved by the tight tolerances between the gear teeth and the casing. This tight fit prevents the fluid from leaking back into the suction side, thereby maintaining a constant and high pressure at the discharge. High-pressure gear pumps are designed to withstand the stress of these high-pressure environments, ensuring long-lasting performance even under demanding conditions.

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MODEL    KP-75A
The oretical
exhaustion
ml/r
72    
Rated pressure
kgf/cm2    
 70
Rated revolution
rpm    
800
Min. Revolution
rpm    
350
Max. testing pressure
kgf/cm2    
210
Max. Revolution
rpm    
1800
Valve control wire
actuating force
kg    
14
G.W. of the oil pump
kg
22