Multi-Stage Pumps

These locally manufactured Multi-Stage Pumps have been designed and are constructed from materials suitable for most high pressure applications.

The range of Multi-Stage Pumps consists of the LTF and LTS models, all of which are available in different sizes of inlet and outlet branches with varying number of stages.

Generally the LFT models are used when direct coupled is required to three phase motors running at 2 pole motor speed (approximately 2960 RPM) and LTS models are used when direct coupling is required to three phase motors running at 4 pole motor speed (approximately 1480 RPM).

However both Multi-Stage Pump models are suitable for operation at various other shaft speeds e.g. when direct coupled to diesel engines or when driven via speed reduction gearboxes.

The LTF and LTS models are designed to cover heads varying from approximately 40 meters to 700 meters, flows from 2 litre/sec to 250 litre/sec.

These horizontal, high pressure centrifugal pumps or Multi-Stage Pumps are of the multi-ring section design. All pumps are built up from any number of stages held between the suction cover and Delivery Cover by body bolts. Sealing of casing components is by means of ‘O’ Rings. Pump rotation is clockwise when viewed from drive end.

What is a Multi-stage Pump?

Multi-stage pumps are centrifugal pumps in which the fluid flows through several impellers fitted in series. This is as opposed to a single stage pump which only has one impeller. The more stages the pump has, the higher the final discharge pressure.

Multi-stage chemical pumps are unique in that they are able to produce increasingly higher pressures with the addition of every stage while the flow range always remains constant for a given rpm.

What is a multi-stage pump used for?

TE-3MS-MD Multi-Stage Pump Mult istage pumps provide engineers with a flexible range of flow and head, along with their high degree of energy efficiency. For those reasons, multi stage pumps are a great choice for many applications.

March Pump offers a multi stage pump, the TE-3MS-MD, which is made to accommodate various industrial settings.  It is made from Polypropylene plastic, which is better able to handle various chemicals, compared to 316SS.  The pump can handle chemical recirculation, chemical transfer, and deionized water systems. Its unique multistage design makes it perfectly equipped to accommodate higher heads. Able to work with lower flow rates, the TE-3MS-MD multistage pump is still unique in that it offers 87.0 FT of maximum head.

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