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Hydraulic pumps are the heart of every hydraulic system, enabling the movement and control of fluids with precision and efficiency. They convert the supplied mechanical energy into hydraulic energy. Read more...
A selection of hydraulic pumps
33 to 48 (from a total of 55)
A distinction is made between fixed displacement and variable displacement pumps. Fixed displacement pumps deliver a constant volume of oil according to the drive speed. Flow regulation is only possible by means of valve technology (flow control valves) or by controlling the drive (e.g., frequency control of an electric motor, speed control of a diesel engine).
Variable displacement hydraulic pumps have the ability to change the delivery volume independently of the drive unit. Adjustment can be hydraulic, electric, or mechanical.
When searching for a reliable and powerful solution for hydraulic applications, one inevitably encounters a wide variety of hydraulic pumps specifically engineered to meet diverse requirements.
Our Hydraulic Pumps category provides a comprehensive overview of various pump types, including gear pumps, axial piston pumps, hand pumps, and more. Each product in this category is carefully selected to enhance the efficiency and performance of your hydraulic system. Additionally, our hydraulic pumps provide a durable solution that withstands the demanding conditions of daily use.
Hydraulic pumps are used across many industries, such as agriculture, construction, municipal technology, and industrial hydraulic systems.
From cost-effective gear pumps to highly efficient axial piston pumps – explore the diversity of our hydraulic pumps and find the perfect solution for your application.
The Hydraulic Pump – Frequently Asked Questions
How does a hydraulic pump work?
Hydraulic pumps operate on the displacement principle, converting supplied mechanical energy into hydraulic energy. Hydraulic oil is drawn in on the pump’s inlet side and delivered to the hydraulic system via the outlet side.
How are hydraulic pumps driven?
A common drive method is a PTO gearbox to which the pump is mounted. Other drive options include electric motors (electro‑hydraulic pumps) or internal combustion engines. On tractors, the hydraulic pump is typically driven via power take-off.
What types of hydraulic pumps are available?
The most common type is the gear pump. Widely used in agricultural, construction, municipal, and log-splitting machinery, these pumps are available in multiple flange and shaft configurations. Aluminum-housing gear pumps typically handle pressures of up to 280 bar and deliver a constant oil flow.
Axial piston pumps are available for both open and closed hydraulic circuits. These piston pumps are made in bent-axis and swashplate designs, allowing high-speed operation and pressures up to 450 bar. They generally exhibit higher efficiency and lower heat generation.
Other pump designs include hand pumps, vane pumps, and radial piston pumps, often used in industrial applications such as plastic injection molding machines or test benches, known for their exceptional smoothness and low noise levels.
What flow rate can a hydraulic pump provide?
The flow rate for a pump is calculated as follows:
Q = Vg · n · ηV / 1000
- Q = Flow rate [l/min]
- Vg = Pump displacement [cm³/rev]
- n = Drive speed [rpm]
- ηV = Volumetric efficiency
Which hydraulic oil is suitable for hydraulic pumps?
Using the correct hydraulic fluid is essential for the smooth operation of your hydraulic system. We recommend hydraulic oil with a viscosity of ISO VG 32 or ISO VG 46 (HLP 32 or HLP 46). Other fluids (e.g., bio‑oils) can also be used after consultation.
How much does a hydraulic pump cost?
The most affordable hydraulic pump is the gear pump. That doesn’t mean it’s inferior—its low cost stems from a comparatively simple design and high production volumes.
Gear pumps are very economical and start at approximately €50. They are basic in construction, making them suitable for less demanding applications. In contrast, axial piston pumps are considerably more expensive and can quickly reach the mid-four‑figure range.
Where can I find more information on hydraulic pump calculations and construction?
Detailed information on the calculation and construction of hydraulic pumps can be found in our Techblog, where you’ll find practical guides and technical details to help you select the optimal hydraulic pump for your application.
