Types of Hydraulic Pumps: Choosing the Best One for Your System

 

Hydraulic systems have become an essential part of industries that range from machinery to heavy construction equipment. In all of these systems, the hydraulic pump acts as the heart and is responsible for converting mechanical energy into hydraulic energy. To understand how to choose between them, let's talk about the different types of hydraulic pumps.

What are the Different Types of Hydraulic Pumps?

There are several types of pumps, each with specific characteristics and areas of application. Examples include gear pumps, vane pumps, piston pumps, and screw pumps. Now, a look at each:

Gear pumps: The hydraulic system most avails of the gear pump. It consists of two interlocking gears that tend to cause a flow of hydraulic fluid. Gear pumps are used in low-pressure applications and are generally used in industrial machinery.

Vane pumps: Introduce hydraulic fluid with the use of a rotor fitted with vanes sliding in and out to create a variable displacement. Since these provide exceptionally good efficiency at handling even fairly high pressures, they are commonly used in applications of mobile hydraulic systems.

Piston Pump: These find their application in high-pressure applications, such as in construction equipment and aircraft systems. The pumping principle of a piston pump is based on the reciprocating pistons that compress and deliver the fluid. Efficiency and pressure capability in the case of a piston pump is very high.

Screw Pump: Screw pumps consist of one or more screws that rotate and convey fluid along their axis. They find applications where continuous flow with the least pulsation is expected from them, as in lubrication systems.

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