Suction Pumps

Leading Suction Pumps Suppliers

All CURO PUMPS products are 100% South African manufactured through the entire creation chain of design, pattern making, foundry, machining, assembly, testing and to installation. Our full range of in-house designed centrifugal pumps are made to suite harsh African conditions.

We are also among the very few specialists in Gland Service for slurry pump applications.

CURO PUMPS services all economic sectors that require mass water works including the mining, agricultural, heavy manufacturing, chemical, municipal water supply and firefighting industries. Our clients include leading mining houses, international conglomerates and local authorities in several countries.

More About Suction Pumps

Pumps typically have an inlet where the fluid enters the pump and an outlet where the fluid comes out. The inlet location is said to be at the suction side of the pump. The outlet location is said to be at the discharge side of the pump. Operation of the pump creates suction (a lower pressure) at the suction side so that fluid can enter the pump through the inlet. Pump operation also causes higher pressure at the discharge side by forcing the fluid out at the outlet. There may be pressure sensing devices at the pump's suction and/or discharge sides which control the operation of the pump. For example, if the suction pressure of a centrifugal pump is too high, a device may trigger the pump to shut off to keep it from running dry; i. e. with no fluid entering.

Under normal conditions of atmospheric pressure suction can draw pure water up to a maximum height of approximately 10.3 m (33.9 feet).

In medicine, suction devices are used to clear airways of materials that would like to impede breathing or cause infections, to aid in surgery, and for other purposes.

Suction is the flow of a fluid into a partial vacuum, or region of low pressure. The pressure gradient between this region and the ambient pressure will propel matter toward the low pressure area. Dust is sucked into a vacuum cleaner when it is pushed in by the higher pressure air on the outside of the cleaner.

This is similar to what happens when humans breathe or drink through a straw. Both breathing and using a straw involve contracting the diaphragm and muscles around the rib cage. The increased volume in the chest cavity decreases the pressure inside, creating an imbalance with the ambient air pressure, or atmospheric pressure. This imbalance results in air pushing into the lungs or liquid pushing up through a straw and into the mouth


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