Hydraulic hand pumps Manufacturers online

Hydraulic hand pumps use muscle power to force a fluid (usually hydraulic oil) into a closed system to perform mechanical work such as lifting, pressing, clamping or clamping.

By manually operating a lever, high pressure is built up, which is transferred to a hydraulic cylinder or another hydraulic element via lines and valves. Typical pressures range from 100 to over 700 bar, although special versions of high-pressure hand pumps can even reach up to 1000 bar.

Below you will find the design and mode of operation as well as variants and special forms of hydraulic hand pumps, an overview of their areas of application and their advantages:

Design and function of hydraulic hand pumps:

A typical hydraulic hand pump consists of the following main components:

1. Pump housing: Contains the mechanics and usually a small oil reservoir.
2. Actuating lever: Used to manually transfer power to the pump system.
3. Piston: Is moved by the lever and pumps the fluid.
4. Non-return valves: Ensure that the oil only flows in one direction - from the tank to the consumer.
5. Connecting pieces / couplings: Used to connect to hoses or hydraulic cylinders.
6. Release valve: Allows the built-up pressure to be released in a targeted manner, e.g. to retract a cylinder.

The functional principle:

When the lever is actuated, the piston in the pump cylinder is moved. This creates a vacuum that draws hydraulic oil from the reservoir into the working chamber. When the lever is pushed back, the oil is pressed through a non-return valve under pressure into the hydraulic line. This pressure acts on the connected cylinder and generates a mechanical movement.

The system works cyclically: each time the lever is moved, new oil is pressurized. As soon as the drain valve is opened, the oil can flow back into the reservoir and the pressure is released.

Variants and special forms of hydraulic hand pumps:

Hydraulic hand pumps come in different designs, depending on the intended use:

1. Single-stage pumps: for simple applications with a constant pressure range.
2. Two-stage pumps: With two piston diameters for fast pumping at low pressure and slow pumping at high pressure (automatic stage change).
3. Compact pumps: Integrated into tools or lifting units.
4. Stainless steel or special versions: For use in the food, chemical or offshore industries.

Areas of application for hydraulic hand pumps:

Hydraulic hand pumps are used wherever high forces have to be generated manually in a small space - especially when no electrical or pneumatic power source is available or self-sufficient working is required.

1. Industry and workshops:
Operation of hydraulic presses
Clamping workpieces on fixtures
Testing and calibrating pressure components

2. Assembly and maintenance:
Lifting machines or system components
Loosening stuck parts by pulling or pushing
Straightening or clamping components

3. Construction and bridge engineering:
Prestressing of suspension cables or anchors
Lifting formwork, bridges or prefabricated parts
Pressing in bearing blocks

4. Rescue technology:
Driving hydraulic rescue equipment such as spreaders or cutters
Emergency openings in vehicles involved in accidents

5. Agriculture and forestry:
Operation of smaller lifting systems on equipment or trailers
Adjusting hydraulic settings without a motor

6. Test benches and laboratory environments:
Generating defined pressures for material or leak tests

7. Power engineering and overhead line construction:
Tensioning conductor cables, adjusting masts.
Operating hydraulic pressing and cutting tools.

Advantages of hydraulic hand pumps:

Hydraulic hand pumps offer numerous practical advantages:

• Independence from power sources - ideal for mobile or off-grid use.
• Compact design - easy to transport and space-saving.
• High power transmission - large forces with little physical effort.
• Robustness - resistant to dirt, temperature fluctuations and mechanical stress
• Easy maintenance - usually only occasional lubrication or oil changes required

Hydraulic hand pumps are versatile, robust and efficient devices for manually generating pressure in hydraulic systems. Their simple but powerful operation makes them particularly suitable for mobile, unpowered or safety-critical applications where electrical alternatives are not practical. They are considered an indispensable aid in many technical areas - from industry and construction to rescue technology.

Here are the most important aspects to look out for when buying hydraulic hand pumps:

There are a number of technical, quality and business factors to consider when purchasing hydraulic hand pumps. These pumps are used in a wide range of applications - from maintenance and industrial production to high-load lifting or clamping systems. The area of application and the operating conditions play a decisive role in determining which design is suitable. An informed procurement decision increases operational reliability, reduces downtimes and ensures long-term cost-effectiveness.

• The most important parameter is the maximum working pressure that the hand pump can generate. Typical values are between 150 and 700 bar, and even higher for high-pressure applications. The oil flow rate per stroke also plays a major role - it determines how quickly a cylinder is extended and how efficiently the work is carried out.
• For applications with high volume requirements or longer cylinders, models with a higher delivery rate or two-stage technology are advisable.
• Two-stage hand pumps offer two pressure ranges: a low-pressure stage with a high flow rate for fast advance and a high-pressure stage with a lower flow rate for precise force build-up. This automatic switchover saves time and physical effort - ideal for frequent use or large cylinders.
• Single-stage pumps have a simpler design and are sufficient for simple or sporadic applications.
• The size of the integrated oil tank must match the volume requirements of the connected consumers, e.g. cylinders. If the tank is too small, the cylinder cannot extend fully or there is a risk of air ingress. Therefore, the coordination between pump and actuator is essential.
• Pumps with a larger oil volume or external additional tanks are recommended for multi-circuit or long-stroke systems.
• The pump should have standardized and robust hydraulic connections. Usually G1/4", G3/8" or quick couplings that match the existing system. A secure, leak-free connection is crucial for operational safety.
• Compatibility with existing hoses, valves and cylinders reduces additional adaptation work.
• Housings, pistons and seals must be mechanically resilient, corrosion-resistant and suitable for long-term use. Aluminum housings offer low weight, steel or stainless steel more robustness.
• The weight of the pump is crucial for mobile applications or overhead work. Compact, portable models with an ergonomic handle make handling easier. For stationary applications, the weight can be of secondary importance - stability and performance are paramount here.
• The operating force should also be as low as possible to enable fatigue-free working.
• Professional hydraulic hand pumps should have integrated safety mechanisms, including
• Pressure relief valves to protect against overload.
• Backflow or drain valves with sensitive control.
• Emergency drain or safety venting in the event of a fault.
• Protective caps or valve locks to prevent unintentional operation.
• Operator safety is the top priority, especially in high-pressure applications.
• A flexible accessory system increases the utility value of the pump. These include
• Extension hoses
• Pressure gauges for pressure control
• Coupling systems
• Adapters for different cylinders
• Carrying case or mounting brackets
• When making your selection, you should check whether original accessories or compatible systems are available.
• Hydraulic components are subject to high safety requirements. The pump should be manufactured and tested in accordance with the relevant standards, e.g. ISO 4413, Machinery Directive, CE marking. A manufacturer's certificate or test report documents conformity and provides proof in the event of damage.
• A high-quality hand pump is low-maintenance, but should still be accessible for occasional maintenance, e.g. seal replacement, oil change. The manufacturer should:
• Guarantee long-term availability of spare parts
• Provide exploded drawings
• Enable easy disassembly without special tools
• This increases the service life and reduces follow-up costs.
• A good supplier not only offers the product, but also know-how and safety in operation.

Purchasing a hydraulic hand pump requires more than just a look at the price and pressure specification. Decisive factors are application requirements, ergonomic handling, compatibility with the existing system and, above all, safety. If you think long-term, you invest in quality, serviceability and reliability - and thus reduce the risk of expensive downtime or safety problems.

Hydraulic hand pumps can be purchased from various suppliers. You will find comprehensive information on manufacturers and suppliers of Hydraulic hand pumps around the world on Exportpages.