Peristaltic Pumps

How they work  

1. Pump casing

2. Shoe

3. Hose

4. Suction side (inlet)

5. Discharge side (outlet)

The principle of operation of the pumping action in Tapflo hose pumps is achieved by pinching a circular loop of rubber tube with two diametrically opposed rotating wedges. Due to the rotational movement, the fluid in the tubes is pushed ahead of each wedge. When each wedge reaches the end of the loop, the hose is released and the wedge rotates n to the start of the loop to begin a new cycle.

As the wedge releases the reinforced tube, it immediately returns to its original shape, there by ensuring positive suction and priming. This construction makes it a smart and effective choice for a wide range of pump applications.

Typical application

The pump housing is partially filled with lubricant, thereby allowing smooth running of the wedges on the tube. The pump fluid is only in contact with the inside of the tube and can therefore be of an aggressive nature and/or contaminated with particles. PT pumps are commonly used for:

Industrial waste water, waste sludge treatment, flocculent dispersions, flocculated waste, lime liquor, sludge and slurries, ceramic slips and paste, clay suspension and compounds, cement slurries, concrete pumping, ore slurries and leaching pulp, metallic salts, crystallized suspensions, black liquor foam, filter press applications, cosmetics, pharmaceuticals, etc.

Peristaltic Pumps

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How to use the pump curves

  • 1. Select the required flow. This gives you the required pumpspeed.
  • 2. Move upwards to the calculated discharge pressure.
  • 3. Move to the left for the installed motor power.
  • 4 . Determine the fluid’s max. temperature.
  • 5. Move to the left to the calculated discharge pressure.
  • 6. Move downwards to determine your maximum allowed pump speed for the fluids temperature.

Peristaltic Pumps

Dimensions

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Peristaltic Pumps

Applications
  • Chemical industry

    Chemical industry The chemical industry is one of the biggest potential customers group of all mentioned. Chemical companies use a large number of pumps in their process. Diaphragm pumps are mainly used where portab...Read more»
  • Surface conditioning

    Surface conditioning Tapflo has served the surface treatment industry with pumps since more than 25 years. We have the knowledge of selecting the right pumps and filters for the different applications that are present ...Read more»
  • Paint, print & varnish industry

    Paint, print & varnish industry Tapflo has served the printing industry since 1985 with pumps and accessories for circulation, transfer, mixing and return, of ink, glue and solvents etc. We have the unique advantage of having our...Read more»
  • Hygienic application

    Hygienic application Transfer of food products like soup, cream, syrup, milk, yoghurt, flavours, spirit, chocolate, dough, creams, paste, perfumes and toothpaste. Service applications as spraying of cleaning liquid...Read more»
  • Water treatment

    Water treatment Pumping samples, dosing acids and alkalis for pH-control. Transfer of flocculent, suspensions, chemical reagents and sludges. The pumps are resistant to hydrochloric acid and ferric chlorite, plus ...Read more»
  • Pulp & paper industry

    Pulp & paper industry Transport of glue, sodium silicate, colour and titanium oxide etc. Bleaching products, sampling and waste water handling.Read more»
  • Mechanical industry

    Mechanical industry Handling of oil, fats, lubricants, cooling liquids, washing and cleaning liquids, solvents and waste products etc.Read more»
  • Biofuel

    Biofuel A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms. Examples of this carbon fixation occur in plants and microalgae. T...Read more»

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