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Centrifugal Pump

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    Included within Tapflo UK’s pump portfolio is a range of Centrifugal Pumps to suit a variety of applications. Our team have put together a few frequently asked questions and a case study which features a Centrifugal Pump to ensure you make the right decision when selecting your pump!

    How does a Centrifugal Pump work?

    The impeller within the Centrifugal Pump casing turns which creates a centrifugal energy source at the centre of the impeller which is on the rotating axis. This draws liquid in through the inlet and flows round due to the pressure within the casing which then drives the liquid out of the pump’s discharge port following the operating direction of the axis.

    What applications are Centrifugal Pumps suitable for?

    Centrifugal Pumps are suitable for a wide range of industries and applications including but not limited to:

    • Food & Beverage – dairy, edible oil, juice, chocolate, CIP
    • Wastewater Treatment – sludges, dosing acids, alkalis
    • Chemical
    • Pharmaceutical
    • Photo Processing
    • Surface Treatment
    • Textile
    • Industrial Water Supply

    Can I let my Centrifugal Pump run dry?

    Definitely not. The design of a Centrifugal Pump means that running it dry for even short periods of time will destroy your mechanical seal and potentially burn out your motor. To stop this, you should always install standard Centrifugal Pumps with flooded suction, unless you’re using a Self-Priming Centrifugal which is a fundamentally different design. If running dry is a risk during your process, you should consider installing some form of Dry Run Protection.

    What is BEP (best efficiency point) and why is it important?

    Best Efficiency Point is crucial at the time of selection; ensuring the pump is matched to the application will assist with long operating life. When a pump operates at BEP, it is at its most efficient, meaning the pump is using input power as efficiently as possible and reducing energy costs. When a pump operates at BEP it also produces the lowest vibration readings, meaning that pump longevity is increased and maintenance costs are decreased – something all users should be focused on when selecting the right pump.

    What Centrifugal Pumps are in the Tapflo range?

    • Standard Industrial Centrifugal Pumps
    • Large Industrial Centrifugal Pumps
    • Self-Priming Centrifugal Pumps
    • Sanitary Centrifugal Pumps
    • Magnetically Driven Centrifugal Pumps
    • In-Line Centrifugal Pumps
    • Cantilever Pumps
    • Vertical Immersion Centrifugal Pumps
    • Close-coupled Centrifugal Pumps

    As you can see we have an extensive range of pumps available to us which means we have a solution for almost any application, and when a Centrifugal Pump won’t fit the job, there’s the rest of our range to explore including Flexible Impeller Pumps, Lobe Pumps, Peristaltic Pumps and Gear Pumps.

    Centrifugal Pump Case Study

    A longstanding customer of Tapflo recently contacted us for two low-flow stainless Centrifugal Pumps, which the Tapflo Team were more than happy to help with.

    Customer Requirements

    Two off @ 50mm for a water-based dye – these need to deliver 50 litres per minute, the line length approx. 160 meters 22 bends again 6-meter head

    Tapflo’s Solution

    Horizontal End Suction Centrifugal Pump, ATEX Rated

    85 mm Vortex Impeller

    1”/¾” ISO G Threaded Connections

    AISI 316 Construction

    SiC/SiC/Viton Single Mechanical Seal

    0.55 kW/2 Pole/230-400V/3 Ph/50 Hz/IP55/Class F/

    IE3 Motor, ATEX Exd IIB Zone 1 (Gas) T4 Rated

    The pump was ordered and delivered within two weeks of receiving the enquiry. Tapflo always strives to offer the best possible service and are now looking at other applications on the same site.

    If you’re looking for advice regarding Centrifugal Pumps, please get in contact with the team at Tapflo UK today.

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