Posted at 14 January 2020

A New Generation of Diaphragm Pumps

Paul Skade
By Andy Cruse
Technical Director, Flow Control

I joined ERIKS in 1999 and have over 35 years’ experience in the pump industry. Originally from a service/repair background I have worked in many roles and enviro...

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Extensive testing has suggested that a large amount of energy required in a pump was to overcome the resistance in the pump and used to fill dead space in the air chambers. While another major issue is pumps stalling when turned down to lower air pressures to save energy or being pumped against a closed valve.


When measuring the performance of Tapflo's new TC Series against conventional AODD pumps, up to 70% in energy savings can be achieved.

Utilising patented LEAPⓇ (Low Energy Air Pump) Technology, the minimum operating air pressure is reduced by reducing internal losses and friction found in traditional AODD pumps.

The TC Series is able to start pumping at 0.3 bar with no stalling, where others simply failed to event start.

TC Intelligent pumps can be retrofitted to any existing Tapflo AODD pump, and offer an improved lifespan using an air valve over rubber seal technology, while maintenance times are also improved as the main air valve can be changed in under two minutes without the removal of the pump from the process line.

Other features and benefits include:

  • Noise reduction
  • Electrical feedback for external monitoring
  • Available in plastic, metal and sanitary series
  • Dry running
  • Batch dispensing
  • Dead heading

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