Holland Special Pumps

Hydraulically-driven submersible centrifugalpumps

Hydraulically-driven submersible centrifugalpumps

Viscosities upto 380 Cst
Transportable or stationair
According to ATEX
Upto 4000 m3/hr
Discharge pressure
Upto 4000 m3/hr
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Hydraulically/driven submersible centrifugal pumps

A submersible pump is a pump that is completely submerged in the fluid to be pumped. This liquid can vary from (sea) water to chemicals and oilproducts.


Small dimensions, low weight, high performance

The hydraulic motor of a submersible pump is relatively small compared to dieselengines or electric motors. Thanks to the small motorsize the pumps have a high capacity and are portable and therefor easy to transport. Hydraulic driven pumps enables you to quickly and easily adjust the speed between zero and maximum speed. This allows you to achieve the desired capacity and pressure.


Suction height

Submerble positive displacement pumps eliminates the problem of the suction height. Where dry pump installations lose their suction power at heights above 5 meters, a submersible/dewatering pump can go as deep as necessary. The pump uses its ability to pump up the fluid rather than loose a lot of energy by lifting the liquid by vacuum.


Centrifugal pumps

A centrifugal pump converts the energy of a rotational movement of the drive into displacement of a liquid.
These pumps consist of a number of basic components:

  • The impeller rotates in the pump casing, also known as the volute.

  • In the pump casing are openings where liquids enter, the exhaust opening and an opening where the drive shaft enters.

  • The drive shaft connects the impeller to the drive. Thanks to the seals, liquids cannot leak out of the pump through the drive shaft.

  • The most common seals are the packing and mechanical seal.


Functionality of a centrifugal pump

When the drive begins, the range of the centrifugal pump rotates because the drive axle directly linked. The pumping liquid comes in to movement. The centrifugal force boosts the liquid out of the pump casing. The velocity is converted into pressure, making the liquid leave the centrifugal pump. A fluid flow arises due to the pressure difference between the inlet and exhaust pipe. Holland Special Pumps has pumps and pumpsets with various capacities in stock. Our submersible pumps are available for rental and sale.

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