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Centrifugal Pump

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    Tapflo supply a number of different pumps, one of which is a Centrifugal Pump. The Tapflo Team have put together a list of frequently asked questions and a case study using a Centrifugal Pump to ensure you make the right decision when selecting your pump!

    Can I let my Centrifugal Pump run dry?

    Running a Centrifugal Pump dry is a big no. 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.

    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.

    Details Customer provided

    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

    Solution Provided

    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. For advice with your pump order, contact the Tapflo Team today by emailing [email protected] or call 02380252325.

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