New Alfa Laval magnetic mixers elevate mixing performance

November 22, 2010

Alfa Laval has expanded its mixing portfolio with the launch of magnetic mixers with a revolutionary magnetically coupled levitating impeller.

Alfa Laval has expanded its mixing portfolio with the launch of magnetic mixers with a revolutionary magnetically coupled levitating impeller. Alfa Laval magnetic mixers feature a patented design that delivers friction-free mixing, unparalleled cleanability and the ability to run safely even when dry. With dry running, Alfa Laval magnetic mixers can continue to blend until every last drop of product drains from the tank, thus ensuring maximum yield.

“These mixers represent a breakthrough in mixing technology,” says Per-Åke Ohlsson, Manager Market Unit Pharma at Alfa Laval. “They minimize loss of valuable product, which can have a big impact on process economy.”

Mix to the last drop
The impeller levitates on a powerful magnetic field at all times, whether at standstill or in motion, so there is no direct contact between bearing surfaces. That, in turn, means the impeller can safely run dry, continuing to mix effectively until all product is drained while ensuring minimal wear and maintenance.

“A vaccine plant in the US installed Alfa Laval magnetic mixers in several tanks with the goal of minimizing product loss,” Ohlsson offers. “Being able to mix down to the last drop resulted in weekly savings of $8,000. This meant that the cost of the mixer, installation, testing and revalidation was recovered in just three weeks.”

Gentle and hygienic
The impeller’s unique eight-wing design delivers efficient mixing even at very low speeds to ensure the gentlest possible product treatment. The levitating impeller also means these mixers are unparalleled when it comes to cleanability. Cleaning solution flows freely, removing product residues efficiently, and drains completely after cleaning and rinsing.

Wide range of speeds
The levitation of the impeller and the eight-wing design make it possible to mix at velocities ranging from 10 rpm to 600 rpm. This flexibility enables the same mixer to handle a wide range of fluid types and mixing duties, such as high intensity mixing and gentle product mixing.

Key benefits

  • High yield: mix to the last drop
  • Hygienic, fully drainable design
  • Minimum wear and maintenance
  • Gentle product treatment
  • Velocities between 10 rpm and 600 rpm

See the magnetic mixer in action
To learn more, visit www.alfalaval.com/biopharm to view one in a series of online mini-seminars about the Alfa Laval magnetic mixer. By clicking on “Movies and animations” in the navigation menu to the left, you can also watch an online animation, detailing the advantages of the mixer’s hygienic construction.

Online publishers can download and embed the video into their websites by accessing the video at http://www.youtube.com/watch?v=5578Cwm_7aA

Or you can simply create a link from your website directly to the Alfa Laval channel on YouTube or to the Alfa Laval BioPharm portal to give your visitors access to the mini-seminars. The mini-seminar series highlights hygienic pump design, compact condenser innovation and hygienic tube and fittings that have a positive impact on biotechnology and pharmaceutical installations.

To learn more visit

Editor’s Notes
Alfa Laval is a leading global provider of specialized products and engineering solutions based on its key technologies of heat transfer, separation and fluid handling.

The company’s equipment, systems and services are dedicated to assisting customers in optimizing the performance of their processes. The solutions help them to heat, cool, separate and transport products in industries that produce food and beverages, chemicals and petrochemicals, pharmaceuticals, starch, sugar and ethanol.

Alfa Laval’s products are also used in power plants, aboard ships, in the mechanical engineering industry, in the mining industry and for wastewater treatment, as well as for comfort climate and refrigeration applications.

Alfa Laval’s worldwide organization works closely with customers in nearly 100 countries to help them stay ahead in the global arena.

Note:, Alfa Laval magnetic mixers were launched in the United States in October, 2010, and, with this launch, are now available around the world.

For further information and digital images, please refer to www.alfalaval.com/press

Or contact
Johan Maack
– Central Communication Manager, Sanitary Equipment
Alfa Laval Corporate AB
Rudeboksvägen 3, 221 00 Lund, Sweden
Phone: +46 46 36 72 26
E-mail: johan.maack@alfalaval.com