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Aeropak (Chemical Products) is using three Masosine sanitary pumps from Watson-Marlow to ensure the effective mixing of mainly aqueous and oil-based OTC and prescription medicine.

Aeropak, a subsidiary of Diomed Developments, moved to a new site in Great Yarmouth in 2002; since the move, the company has installed three Masosine pumps from Watson-Marlow (SPS2, SPS2.5 and MR130 models).

‘The pumps are used primarily to help re-circulate bulk product in mixing vessels through homogenisers – an essential process to ensure the quality of the products,’ said Graham Abraham, projects manager at Aeropak.

The Masosine pumps are also used to transfer product from the mixing vessels into bulk storage containers.

According to Abraham, it was the gentle, low-shear product handling capability of the pumps that underpinned their original selection.

This feature is achieved thanks to the exclusive sinusoidal rotor, integral to both SPS and MR series models, which provides a wave-like action.

The single-rotor design offers very low propulsion, while large pumping chambers help to preserve and maintain product integrity.

Some of the products manufactured by Aeropak exhibit high viscosity, such as the Doublebase emollient gel, which acts both as a moisturiser and a protective hydrating gel.

Doublebase looks and feels like a combination of cream and gel – it is thick-shear sensitive and effective mixing is said to be critical to its performance.

Abraham said: ‘The viscosity of products such as Doublebase is not a problem for the Masosine pumps.

‘They work away without any issues.

‘Because of their simple design [one rotor, one shaft and one seal], economical inline maintenance and cleaning is also achieved easily.

‘When we need to change product on one of the production lines, stripping the pumps, cleaning them down, testing and re-assembly is both quick and straightforward,’ he added.

The Great Yarmouth plant is currently suited to the manufacture of various volume packs of liquids, creams and gels.

Among the gel-based products is branded verruca treatment Bazuka.

Products such as these inherently carry volatile and sometimes flammable ingredients, which need to be handled efficiently.

To improve the handling of a number of its other products, Aeropak is currently considering the adoption of peristaltic pump technology from Watson-Marlow.

Project discussions are currently in progress.

Watson-Marlow Fluid Technology Group

Watson-Marlow Fluid Technology Group (WMFTG) is the world leader in niche peristaltic and sinusoidal pumps and associated fluid path technologies. Founded on nearly 60 years of supplying engineering and process expertise and with over one million pumps installed worldwide, our pumps are tried, tested and proven to deliver.

WMFTG is a wholly owned subsidiary of Spirax-Sarco Engineering plc (LSE: SPX), a global organisation employing approximately 4,800 people worldwide. Watson-Marlow Fluid Technology Group comprises nine established brands, each with their own area of expertise, but together offering our customers an unrivalled breadth of solutions for their pumping applications:

  • Watson-Marlow Pumps: peristaltic tube pumps for biopharm and process industries
  • Watson-Marlow Tubing: precision tubing for pumping and other purposes, in a range of materials
  • Bredel: high flow, high-pressure hose pumps
  • Alitea: unique peristaltic solutions for OEM customers
  • Flexicon: aseptic filling and capping systems
  • MasoSine: gentle sinusoidal pumps for food, chemical and cosmetics applications
  • BioPure: advanced single-use tubing connector systems
  • Asepco: aseptic valves for the biopharmaceutical industry
  • FlowSmart: high purity sanitary gaskets, silicone transfer tubing and reinforced silicone hoses for the biopharmaceutical industry

Watson-Marlow Fluid Technology Group is an international operation based in Falmouth, Cornwall, UK. Watson-Marlow Fluid |Technology Group has offices in Argentina, Australia, Austria, Belgium, Brazil, Chile, China, Canada, Denmark, France, Germany, India, Italy, Japan, South Korea, Malaysia, Mexico, the Netherlands, New Zealand, Poland, Russia, Sharjah UAE, Singapore, South Africa, Sweden, Switzerland, Taiwan, USA and Vietnam.

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