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Types of manual hydraulic pumps

If you work in environments where electricity is unavailable or unreliable, manual hydraulic pumps may be your best alternative for doing the same job as electric pumps. However, whether you're a farmer, a civil engineer or a forester, you need to know which type of hydraulic pump to use manual hydraulic pump is best suited to your work. In this article, we take a closer look at the subject.

What is a manual hydraulic pump ?

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A hydraulic hand pump is a tool used to transfer fluids by generating pressure by converting mechanical force into hydraulic pressure.

The hydraulic hand pump is particularly useful in rural areas or on remote construction sites where the electricity supply is limited.

Today, hydraulic pumps are used in a wide variety of fields, such as the oil and gas industry, the mining industry, precision agriculture, building construction, the marine industry and so on.

What types of manual hydraulic pumps are there ?

Depending on how the pump is operated and the type of action it performs, you can find hydraulic hand pumps, hydraulic pedal hand pumps, hydraulic lever hand pumps, single-acting hydraulic hand pumps and even double-acting hydraulic hand pumps in shops selling hydraulic components.

The hydraulic hand pump

La manual hydraulic pump works by moving a manual handle up and down. This creates a pressure that forces the liquid through the pipes.

Pedal-operated manual hydraulic pump

Widely used for tasks that require footwork, such as water pumps for wells, the pedal-operated manual hydraulic pump is operated by a pedal.

The manual hydraulic lever pump

La hydraulic hand lever pump uses a lever to operate the pump. It is often used for tasks requiring a back-and-forth movement to pump the liquid.

The single-acting hydraulic hand pump

Consisting of a cylinder with a movable piston, the single-acting hydraulic hand pump only works in one direction. This means that fluid can only be expelled when the piston is pushed down. And to return the piston to its original position, you need to exert an external force.

The double-acting hydraulic hand pump

La double-acting hydraulic hand pump is a hydraulic hand pump that can pump liquid in both directions.

It uses a double-action mechanism to pump liquid in both directions, making it faster and more efficient for tasks requiring a two-way pumping action.

What are the advantages of using a manual hydraulic pump ?

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This pump offers users a number of advantages.

Unlike electric hydraulic pumps, manual hydraulic pumps can be less expensive. This tool is more useful for small projects or one-off tasks that don't require a power source of any kind.

In addition, hydraulic hand pumps are very versatile. They can be used in a variety of applications, such as lifting or moving heavy objects, powering other hydraulic equipment such as presses and welding machines, and hydraulic cylinders.

What are the characteristics of a manual hydraulic pump ?

A hydraulic pump has a number of features that make it particularly effective.

- Piston stroke

The piston stroke is the distance travelled by the piston when the pump is actuated. It determines the quantity of oil displaced by the pump and therefore the amount of pressure generated. The greater the piston stroke, the greater the pressure generated.

- Oil capacity

The amount of oil stored by the pump. Oil capacity is determined by the size of the pump reservoir. The greater the oil capacity, the longer the pump can supply oil and generate pressure.

- Pressure and flow

The pressure generated by a manual hydraulic pump depends on the force exerted on the piston and is estimated in bars. Your choice of pump should therefore be based on the pressure required to complete your various jobs.

The flow rate of a hydraulic pump, measured in litres per minute, depends on the capacity of the oil stored in the tank. The higher the flow rate, the more time you save when working with a manual hydraulic pump.

What are the components of a hydra pump?ulic manual ?

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Manual hydraulic pumps consist mainly of a piston, a lever, a reservoir, an inlet and discharge valve and seals.

Consisting of a cylinder with a movable rod inside, the piston is responsible for creating the pressure needed to move the hydraulic fluid through the system.

The hydraulic pump reservoir holds the hydraulic fluid, which is often oil. It is often located close to the pump to make it easier to fill with hydraulic fluid.

While the inlet valve allows hydraulic fluid to enter the pump when the piston is pulled up, the outlet valve opens to allow fluid to exit the pump when the piston is pushed down.

Often made of rubber or silicone materials to ensure their resistance to pressure and durability, seals are important components of the hydraulic hand pump that prevent hydraulic fluid from leaking from the pump.

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