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Hydraulic hand lever pump

Do you need a practical solution for lifting and baling tasks in remote locations or in situations where electricity is not available? The hydraulic hand lever pump is a good option among the various types of manual hydraulic pumps available on the market. Want to find out more about the advantages, how it works and the factors to consider when buying one? Find out everything you need to know about the lever-operated manual hydraulic pump in the rest of this article.

What is a hydraulic pump lever-operated manual ?

Pompe à main hydraulique SE 25 cc + réservoir 3L + levier

Also known as a lift, crank or handle pump, the manual hydraulic pump is a portable hydraulic pumping device that operates without a power source. In other words, it is powered by the physical force of the user, who operates a lever to compress the hydraulic oil.

These pumps are typically found in heavy machinery repair shops, car garages, industrial maintenance facilities and construction sites.

In addition, these hand pumps are also popular for rescue applications, as they are lightweight, portable and can provide sufficient hydraulic pressure to lift heavy or overturned objects.

How does a hydraulic hand lever pump work?

The hydraulic hand pump uses a lever mechanism to produce hydraulic pressure. The lever is attached to a piston rod that moves inside a cylinder.

When the lever is operated, the piston rod moves backwards, creating a low-pressure area in the cylinder. Hydraulic fluid is then drawn into the cylinder from the reservoir through a suction valve.

When the lever is returned to its initial position, the piston rod moves forward, compressing the hydraulic fluid in the cylinder and creating pressure which is transmitted via a delivery valve through pipes to the desired hydraulic equipment.

The hydraulic pressure created is mainly used to move mechanical parts such as jacks. The cylinders can, in turn, lift or move objects, or operate tools such as presses or shears

What are the different manual hydraulic lift pumps available on the French market ?

Pompe hydraulique à levier - QUIRI - à piston / à simple effet / à double effet

There are several types of manual hydraulic lift pump, each with its own advantages and disadvantages depending on the intended use.

The most commonly used include single-lever pumps, double-lever pumps and two-speed pumps.

- Single lever pumps

Single-lever pumps are the simplest and most common.

Although they have a lower pumping capacity than other types of crank pump, they are easy to use and inexpensive.

They are often used for light applications, such as lifting small loads or pressing small quantities of liquid.

- Double lever pumps

Double-handle pumps are similar to single-handle pumps, but they have two levers, allowing for a faster and more efficient pumping action.

They are commonly used for heavier applications, such as lifting larger loads or pressing large quantities of liquid.

- Two-speed pumps

Designed to offer great flexibility in terms of flow and pressure, two-speed pumps generally have a two-position pumping lever, allowing you to switch between slower and faster pumping speeds.

They are often used for applications such as lifting heavy loads or pressing large quantities of liquid at high pressures.

What fluids should be used to ensure optimum operation of a hand-cranked hydraulic pump ?

Whether it's mineral oil, synthetic oil or biodegradable hydraulic fluids, you're spoilt for choice.

In reality, it all depends on the application and the manufacturer's requirements.

Generally speaking, the most widely used hydraulic fluid is mineral oil, because of its ability to lubricate the pump's moving parts and withstand the high temperatures generated by pump operation.

Les fluides hydrauliques biodégradables - GF Hydro

In terms of lubrication, today'smineral oil is a high-quality fluid that helps reduce friction between the pump's various moving parts, reducing wear and extending pump life. It also has excellent resistance to degradation, so pump parts are constantly protected against corrosion and oxidation.

When used intensively or under heavy load, hydraulic hand-lever pumps can generate very high temperatures. And these hot conditions do not affect the efficiency of the mineral oil when your pump is in use.

How to choose a manual hydraulic lever pump ?

The choice of a hydraulic hand pump with lift or hand crank depends, among other things, on the operating pressure required, the fluid flow required, the type of hydraulic fluid used, the type of hydraulic system and the purchase price.

- The maximum pressure you need

This will depend on the application you use the pump for. Make sure you choose a pump that can generate the pressure you need.

- Pump size

Choose a pump that is small enough to be portable if you need to move it often.

- The price

The price of manual hydraulic lift pumps varies considerably, so make sure you choose a pump that suits your budget.

- Available accessories

Some pumps are supplied with additional accessories, such as hoses and fittings, which may be useful for your application.

- Safety

Make sure you choose a pump with built-in safety features such as an overload device to prevent overpressure and a safety valve to prevent accidents.

Still on the same theme

- Manual hydraulic pump

- Pedal-operated manual hydraulic pump

- Single-acting hydraulic hand pump

- Pdouble-acting manual hydraulic pump

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