Now, I’m sure many of you have either heard of Centrifugal Pumps or actually use them in your industry… but what actually is a Centrifugal Pump?

Here at Tapflo UK, we like to tell you as much as we possibly can about our products so you can see why we’re so passionate about them! So keep reading for all the information you need on Centrifugal Pumps!

What is a Centrifugal Pump and how does it work?

Centrifugal Pumps are a type of pump that use an impeller to move fluid through the pump, as opposed to Positive Displacement Pumps which use a type of mechanical means to move the fluid.

In order for a standard Centrifugal Pump to operate, the casing needs to be filled with liquid, which enters the casing axially onto the eye of the rotating impeller. The motion of the impeller generates a centrifugal force, increasing the pressure and speed of the fluid and directing it towards the pump outlet.

Working Principle of a Centrifugal Pump

Types of Centrifugal Pumps

Tapflo offer a range of Centrifugal Pumps suitable for a variety of applications and industries. Listed below are the different types we can supply:

Hygienic/Industrial Centrifugal Pumps (CTH & CTI)

Our Industrial and Hygienic Centrifugal Pumps are semi-open single stage pumps manufactured in Stainless Steel AISI 316L.

Our Hygienic Series (CTH) is manufactured with electro-polished pump casing and internals, specifically designed for hygienic and sanitary industries where cleanability and drainability are important factors, such as for food, beverage and pharmaceutical applications.

Our Industrial Series (CTI) is manufactured with glass blasted pump casing, with a range of mechanical seal options and special executions available. This would be suited to a number of industrial applications such as water treatment, surface conditioning, chemicals, mechanical and many others.

Self-Priming Centrifugal Pumps

Our Hygienic and Industrial Series are also available as Self-Priming Pumps, which are suited to applications needing suction lifts of up to 4.5m. The pump can be ordered as a Self-Priming Pump as standard, or you can purchase the Self-Priming accessory to retrofit onto your existing Tapflo Hygienic or Industrial Centrifugal Pump. To do this, all you need to do is replace the casing with a Self-Priming Chamber, and there you have it – a Self-Priming Centrifugal Pump!

Interested in how Self-Priming Pumps work? Have a look at the diagram below.

How does a Self-Priming Centrifugal

Magnetically Driven Centrifugal Pumps (Mag Drives)

Our CTM Pumps are close coupled, single stage Magnetically Driven Centrifugal Pumps, featuring either a Semi-Open or Closed Impeller. The pumps are manufactured from either glass fibre reinforced polypropylene or PVDF, offering a high mechanical and corrosion resistance.

Standard Close Coupled Centrifugal Pumps operate with the impeller connected to the motor shaft directly, whereas in our Mag Drive Pumps, the torque from the motor shaft is transmitted to the impeller by means of a magnetic coupling.

If the impeller on a Magnetically Driven Centrifugal gets blocked, the magnet will de-couple and prevent any damage to the motor; the magnets will then re-couple when the pump comes to a stop. Between both magnet assemblies, there is an isolation shell separating the liquid from the motor side and preventing it from entering the atmosphere.

Vertical Immersion Centrifugal Pumps (CTV)

Our Vertical Immersion Pumps are specifically designed for the transfer and circulation of various fluids from containers, tanks and sumps. The CTV range can, in many cases, replace a Self-Priming Pump due to the Immersion Pump being installed vertically with the motor above the liquid surface.

Our Centrifugal Immersion Pumps are suited to a variety of applications, most commonly used for surface treatment, water treatment, heat exchangers and waste disposal.

Benefits of a Centrifugal Pump

- Simple design:

Standard Centrifugal Pumps are built with few components granting a simple design and easy maintenance. In some cases, the pumps can even be maintenance free!

 

- Different options:

As you can see, there are a variety of different types of Centrifugal Pumps we can offer, and there are plenty of options and accessories available for each different pump, such as heating jackets, flushed or lubricated seals, draining devices, hygienic shrouds and many more.

 

- Economical Operation:

Our Magnetically Driven Centrifugal Pumps have a high degree of efficiency and don’t waste any of your product, resulting in a highly economical pump!

 

- Self-Priming Retrofit

If you have a Tapflo Centrifugal CT Pump, all you need to do is replace one part of your pump in order to make your pump Self-Priming!

 

- Certifications

Our Hygienic Centrifugal Pumps come FDA Approved as standard, and the CT range (CTH Hygienic, CTI Industrial, CTS Self-Priming) are all available in ATEX.

There we have it – all you need to know about Centrifugal Pumps and our range! If you need more information on Centrifugal Pumps, check out our article on Understanding Your Centrifugal Pump for information on cavitation and how to read a pump curve. You can also visit our Centrifugal Pump Frequently Asked Questions and our Centrifugal Pump Product Page for more!

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