W and WD Series | Alfa Laval

W and WD Series

Alfa Laval W and WD Series includes two types of models. The W models have been designed specifically for whey skimming. Our WD models can combine whey skimming and clarification in one stage. The W and WD Series is available in a wide range of sizes with innovative features to ensure efficient, reliable, and cost-saving operation.

Dairy PX 18 A, H, C, W, WD and BM Series

Advanced technology that brings new benefits to whey processing

  • Alfa Laval’s unique bottom-fed Hermetic Design provides superior skimming efficiency and maintains premium product quality
  • The bottom-fed design reduces shear forces for gentle product treatment that preserves the size of the fat globules
  • Hermetic seals on inlet and outlet prevent oxidation and reduce the foaming of the milk
  • Easy adaptation to process conditions provides increased production flexibility and efficient CIP
  • Energy savings of up to 60% thanks to the Hermetic Design

Two superior types of whey separators

The purpose of whey separation is to recover fat, while ensuring that the skimmed whey is as free from fat as possible. Low fat content is important for facilitating the downstream treatment and enhances the value of the whey. Alfa Laval’s W and WD separators have been designed for exactly this purpose. The WD Series combines clarification and skimming in one step, thanks to a clarification section inside the bowl that makes it possible to utilize pre-filtered whey (i.e., without using a whey clarifier first). Combining these in one step reduces both investment costs and the installation footprint.

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Where to use Alfa Laval W WD Series

Where to use the W and WD Series

Common applications: cheese production; whey, casein and lactose processing

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Features that make the difference

What sets Alfa Laval separators apart is what’s on the inside: a broad scope of unique and patented technologies that, taken together, help dairy customers achieve improved product quality along with superior hygienic confidence. They also make it possible to drastically decrease both water and energy consumption, reducing both operational costs and environmental footprint.

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Hermetic Design

Gentle acceleration, powerful efficiency

A unique air-tight bowl that enables improved product quality and drastically reduces power consumption.

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eDrive™

Mechanical simplicicy for higher efficiency and lower costs

A direct-drive system with fewer rotating parts that minimizes both maintenance and energy costs.

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UniDisc™

New levels of capacity and hygiene

A radical new disc design that decreases cleaning needs while increasing flow rate by up to 20%.

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eMotion™

Double the output per kWh

An innovation to minimize friction, which cuts the separator´s energy consumption and CO2 footprint by up to 70%.

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Bactofuge®

Outstanding solids capacity

Continuous solid discharge ensures an intact and highly concentrated stream for onward processing or as a valuable by-product. This makes it possible to increase separation capacity.

The Separator Innovator

Alfa Laval invented the first disc stack separator over a century ago. Since then, we have led the way by constantly improving and reinventing centrifuge technology. Making it safer, more efficient, and more sustainable. Visit our Separator Innovator knowledge base and discover how we continue to revolutionize separation processes across industries.

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