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Peristaltic Pump Guide

Peristaltic Pumps


What is a Peristaltic Pump? How does a Peristaltic Pump work? Why use a peristaltic pump? What is CIP Peristaltic Pump How to quote a Peristaltic Pump? Peristaltic Pump Material Options Peristaltic Pump compared to a Diaphragm Pump Applications Tapflo's Peristaltic Pump Range

What is a Peristaltic Pump?

A Peristaltic Pump also commonly known as tubing pumps or roller pumps is classified as a Rotary Positive Displacement Pump and is one of the most versatile pump systems available on the market today.

This pump system features a hose that is the only part within the pump that comes into contact with the fluid, this design ensures that the pump is sealless and is one of the reasons they are so reliable. The hose is chosen based on the application to ensure the material suits the process fluid.

How does a Peristaltic Pump work?

Peristaltic Pump works by either two shoes (high-pressure applications) or rollers (low-pressure applications) rotating on a wheel inside of the pump and compressing an internal hose, which then forces through a known quantity of fluid, hence the name of the product. The hose inside of a Peristaltic Pump is designed to return to its original shape after the shoes or rollers have passed over, so the quantity and flow of fluid are consistently maintained.

This pump operation is also where peristaltic pumps get their name from. The term “peristalsis” originates from the biological sense where muscles contract in our stomach to allow food to push through. A similar process happens when a peristaltic pump is in operation to allow for a variety of applications to enter the pump and effectively be passed through to the suction side of the pump, allowing more fluid to continue to enter from the pump casing.

Working Principle

peristaltic pump working principle diagram

Why use a peristaltic pump?

Peristaltic pumps are an excellent option for fluids that need to be kept clean and sterile, such as food and drink applications, due to no contamination occurring in the pump. This is due to the interior tubing being the only part of the pump to come into contact with the application being pumped making the risk of bacteria growth very minimal. Take a look at some of the benefits listed below!

    1. They are fully self-priming up to 9.8 meters – not many other pumps on the market can produce that kind of suction!
    2. Damage-free when dry running
    3. Outlet pressures of up to 15 Bar
    4. Suitable for aggressive and viscous fluids
    5. Very easy maintenance
    6. Safety – the only part of the pump that comes into contact with the fluid is the hose!
    7. Reversible flow
    8. Heavy-duty bearings, greased for life

What is CIP Peristaltic Pump

CIP stands for “Clean in place” and is an effective pumping solution application within the food, cosmetics and pharmaceutical markets. The advantage of this technology is that the inner part of the hose is the only part of the pump that comes into contact with the fluid, ensuring that contamination of the pumped fluid is kept to an absolute minimum.

Pumps, tanks and pipes can all be efficiently cleaned without the need to dismantle any of the equipment. If you need a Peristaltic Pump but can’t risk any kind of contamination from the application you’re pumping, the CIP Hose Pump is for you!

How to quote a Peristaltic Pump?

Below is a list of details you’ll need to know in order to select the correct Peristaltic Pump for your requirements.

  • Fluid description
  • Viscosity (shear thinning or thickening)
  • % of solids and particle size
  • Temperature
  • PH level
  • The flow rate or range
  • Suction and discharge pressures
  • Precise Duty cycle (continuous or intermittent) real pump running time
  • Power Supply available

Peristaltic Pump Material Options

Peristaltic Pump material option

Hoses can be supplied in the below materials to suit a wide variety of applications:

  1. Natural Rubber
  2. NBR
  3. Natural Rubber FDA Approved
  4. EPDM
  5. FKM – Viton
  6. CSM Hypalon Rubber

The price of the hose usually works out to around 8 – 10% of the cost of the pump.

Peristaltic Pump compared to a Diaphragm Pump

  • Air Operated Diaphragm Pumps require a compressed air supply to drive them. If this does not already exist it can be very expensive to install. Even the best-maintained air supply systems are inefficient with at least 30% air leakage. The energy costs of supplying air for a Diaphragm Pump are much higher than for a Peristaltic Pump.
  • Air pressure limits the discharge pressure – it just stops pumping beyond its limits.
  • Changing pumped fluid is complex as cleaning a Diaphragm Pump is difficult, often requiring a complete strip-down. Our Peristaltic Pump Series offers a quick maintenance schedule on their pumping elements. Simply change the tube and you’ve created a new pump!
  • The difficulty in accurately controlling air supply makes the Diaphragm Pump a poor choice for metering duties.
  • Even Double Diaphragm Pumps have a high level of pulsation.
  • As with all Diaphragm Pumps, AODDs generally rely on ball valves. These do not work well unless there is positive back pressure to close them between cycles. They are prone to abrasive wear and can clog with crystals, fibres or solidifying fluids such as inks and powders.
  • Whilst the initial purchase cost is lower, the cost of ownership can much higher due to energy and maintenance costs.


Our Peristaltic Pumps are suited for both low & high-pressure transfer, metering and dosing applications of low or high viscous, pasty, pure, neutral, aggressive or abrasive liquids, those containing gases or which tend to froth, or those containing solids in the following industries:

  1. Food & Beverage: tomato sauce, mash potatoes, gelatine, beer yeast, fish paste, olive oil, wine, egg white & yolk, edible fat, semolina, natural flavouring, cream, milk & yoghurts.
  2. Bakeries: water & salt mixtures, natural flavourings, fats, fruit cake dough/mixture (i.e. fruit cake has nuts and fruit pieces that need to stay whole).
  3. Paint: water-based paint, acrylics, pigments, ink, wall coating.
  4. Meat and Fish processing
  5. Pharmaceutical & Cosmetics: chemical dosing, liquid protein, vaccines, serum, plasma, syrups, shampoos.
  6. Waste Water & Water Treatment: lime cream, ferric chloride, sodium bisulphate, fluoride, polymers, aqueous ammonia, potassium permanganate, caustic soda, activated carbon, reagent feed, coagulant, flocculants, dispersion, alum, sludge and foams.
  7. Chemical and Petrochemical: various acids, PVDF latex, alcohol, soap, non-aromatic solvents.
  8. Pulp and Paper: latex, kaolin, paper waste sludge, various chemical dosing.
  9. Ceramics: barbotine, mould filling, filter press feeding. Building fibrous mortar, plaster, light concrete, cement flooring.
  10. Surface Treatment: Abrasive waste fluids, acids, alkalis, paints, Electrolytic zinc plating, Copper, Nickel, Tin, Silver and Gold plating, Alcalic zinc, Zinc-iron, Zinc-nickel, Hexavalent Chromium-free plating, Chromates / Passivation, Acid zinc
  11. Anaerobic Digestion: Processed Food & General Waste, Feedstock, Digestate, Waste Sludge’s
  12. Mineral Processing: sludge with a viscosity up to 60 000 cps, clay up to 800g/l, particle size: 30 mm, lead sulphate, pyrite, cyanide, various acids.
  13. Agricultural: manure, fertilizer sugar mills, molasses, liquid sugar and various chemicals.

Tapflo's Peristaltic Pump Range

Take a look at our Sales Manager Luke, explaining how much Tapflo’s peristaltic pumps have to offer!

You can find Tapflo’s Peristaltic Pump range and accessories here or speak to a member of the team to discuss your options. 02380 252 325, [email protected]

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Looking for more information on Tapflo Peristaltic Pumps?

Our friendly team at Tapflo UK would be more than happy to assist you further with any pump solutions, delivery information or questions you have. If you need additional support on-site, you can speak to a member of the team today to organise a site visit.

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