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Example of Centrifugal Pump Drawing

Canned Pump vs Centrifugal

I do not write it down in two columns to explain canned pump vs centrifugal. I describe canned pump advantages only. In case of centrifugal pump, it is reverse the explanation of canned pump.

Canned pump has no mechanical seals.
There is no potential seal leakage. So, potential process trouble due to mechanical seal problem is nothing. This is especially important when toxic, hazardous, expensive, corrosive or carcinogenic subtance is handled.

It requires no external lubrication.
No external lubrication is required for motor and bearing. Cooling and lubrication for motor and bearings are provided by pumped fluid. No lubrication level monitoring or inspection is needed.

Canned pump is designed compactly.
It has single motor and pump combination. It means there is no need for alignment and miss-alignment is zero. In addition, because its weight is less than sealed pump then special foundation is not required.

It runs with low noise level.
Lower noise level is one of the advantage of canned pump. It has less rotating parts such as coupled shafts, gland packing and bearing pedestal as well as no motor cooling fans as in centrifugal pump. Meanwhile, compact design makes all rotating parts of the pump installed in a thick shell container, which dampers noise.

Canned pump is sealed.
Canned motor pump is ideal for process vacuum condition and for liquid that be affected by the atmosphere.

Requires less maintenance time
Because all of the pump parts are designed to be easily changed and less parts assembled, so it requires less maintenance time. And its maintenance or repair can also be done at site or field.

The above explanation about canned pump vs centrifugal could make you clear and you will be easier to make decision on which pump you should use. To learn more about canned pump you click here.

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