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Are all filling machines created equal?

There are several different filling technologies available on the market today. No two technologies are the same due to the fact that each technology has been developed on a slightly different scientific principle.  Therefore no two technologies have the same characteristics, which means some methods are better for filling certain types of products than others.  Determining which technology is best suited for your product is also dependent upon the characteristics of the product as well as other attributes such as the container size and shape, filling speed requirements, hygienic needs, fill volume, sensitivity, and more, not the least of which can be the cost of the technology.

Which technology to choose? 

Some products lend themselves better to one technology over another and the choice is clear.  While there are other products where the choice is not as easy.  This is when you need to prioritize your needs and determine which technology is the best choice based on many different factors. There are times when the strengths and weaknesses of each technology are dependent upon the characteristics of the product.

Deciding the best filling technology for a particular application may seem like a daunting task but once you understand the basic characteristics it becomes easier to determine which technology is best suited for a particular application.

As you can see from the chart, for most situations the optimal choice is a Net Weight Filler.

 Electronic Net Weight FillerLevel Control FillerVolumetric Piston FillerFlowmeter System Filler
Aereted ProductsNo influence on net weightInfluence on level after fillingInfluence on actual filled quantityInfluence on filled quantity
Temperature VariationsNo influence on net weightNo control of actual quantityViscosity changes aspiration rateInfluence on flow rate and filled volume
ViscosityNo influence on filling and accuracyNot suitable for high viscosity productsQuick wearing of gaskets and mechanical partsLimitations of handing high viscosity products
Abrasive ProductsIdeal solution, no mechanical frictionNot suitable, particles may obstruct tubesNo suitable, particles wear cylindersNot suitable, particles may obstruct tubes
Foamy ProductsNo foamingThe turbulence created by the system increases foamNot suitable for foamy products, pressure in piston increases foamVelocity and vibration of product increase the foam
Shear Sensitive ProductsNo filling bottlenecks that can crush products and alter qualityProduct is subject to turbulenceProduct is subject to friction and turbulenceProduct is subject to turbulence and magnetic field

Not affected by Aeration

Not affected by temperature

Advantages of Net Weight Filling Machines

  • Filling Accuracy
    • There is no over filling or under filling.  No wasted product.  This is important for all products but even more so when filling an expensive product.  The saving will substantially shorten ROI.
    • When it is critical the container is filled as accurately as possible and the amount has to be precise, a Serac Net Weight Filler is the choice.

  • Flexibility in filling a wide variety of products.
  • Continuous Electronic Monitoring
    • Instant Feedback
    • Traceability & Statistical Reports on Production
    • Real Time Automatic Weight Adjustment during the filling process

  • Effective and Reliable Method for Filling

  • Give Away – Why throw away a product or watch it go down the drain? Reducing waste will save money and increase revenue. Why give away profit.

  • Net Weight Filling not Affected by Product Changes
    • Viscosity
    • Aeration
    • Temperature
    • Foamy 

Making the Right Choice

Choosing the right equipment for your packaging needs can be a daunting task. There are many factors that need to be considered when selecting the optimal solution. Serac has been designing and building filling and capping equipment for over 45 years and we have the experience and the know how to design and build a machine specifically for your needs.

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