Hydraulic piston pumps play a vital role in moving fluids in professional equipment and industrial machinery and are known for their efficiency under high pressure conditions.
There are two main types of hydraulic piston pumps: axial pumps and radial pumps, which come with fixed or variable displacement options. Fixed displacement pumps ensure consistent delivery of fluid or gas in every cycle, while variable displacement pumps allow flexibility in delivery volumes.
**Axial Piston Pump Operation
**Radial Piston Pump Operation
**Choose between axial and radial piston pumps
**Hydraulic piston pump overview:
**What you need to consider
**How to find suppliers
Let’s explore how each type works:
1.Axial piston pump operation:
An axial piston pump consists of basic components such as a shaft, a swash plate or bent shaft, a cylinder block and a valve plate. The cylinder is equipped with an axial piston pump, which is arranged in a circle around the axis of the drive shaft. As the shaft rotates, the piston in the cylinder block moves up and down. The stroke of these pistons varies according to their angle in the swash plate or bent axis, facilitating continuous flow of fluid.
2.Radial piston pump operation:
Radial piston pumps have a unique design including a cylinder block, rotating camshaft and piston. The pistons are arranged radially around the cylinder block and emanate from the camshaft like rays. The rotation of the camshaft causes the piston to switch between the suction and discharge phases.
3.Choose between axial and radial piston pumps:
When selecting a hydraulic pump, a thorough application evaluation must be performed, considering factors such as pressure requirements, flow, speed, horsepower, and fluid properties. Radial piston pumps demonstrate versatility in handling a variety of fluids, while axial piston pumps are particularly suitable for applications requiring extremely high pressures.
4.Hydraulic piston pump overview:
Hydraulic piston pumps are efficient, reliable, compact in size and have high power density to expertly manage large flows under high pressure conditions. The precise sliding of the piston within the cylinder ensures excellent sealing, allowing operation at high pressures while minimizing fluid leakage. Axial and radial piston pumps are among the highest pressure rated and most efficient options in hydraulic systems and are used in a wide range of applications including mobile equipment, marine auxiliary power, metal forming, machine tools and oil field machinery.
While piston pumps are known for their efficiency and reliability, problems such as contamination, overpressure and inlet blockage can cause pump failure and require rapid replacement.
When deciding to replace a pump, a direct OEM replacement pump or a remanufactured pump is often the choice. Choosing direct OEM replacement pumps and service can be a significant investment. Additionally, if your equipment is outdated, locating pump components for repair can be difficult.
5.Consider the following questions:
How patient are you to receive the pump?
Is your pump no longer in production?
What is your budget?
For those looking for a quick and relatively cost-effective solution, a remanufactured pump may be a better option. However, if time and budget constraints are not an issue and the pump is still in production, a direct OEM replacement may be the best route.
6.Looking for a drop-in replacement for your hydraulic piston pump?
Need help finding the ideal piston pump? Take a look at the POOCCA system. With two decades of experience, we are a leading manufacturer of hydraulic piston pumps and motors aftermarket. Our areas of expertise include pumps for well-known brands such as Vickers/Eaton, Rexroth, Marzocchi, Yuken and others. We also offer a range of replacement pump parts. All our pumps and motors are guaranteed to OEM specifications and come with a 12 month warranty.
Please feel free to contact us at POOCCA to ask for more details about our pump options or to request a quote.
