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WATER BALLAST FRAME empty, for 3 x 0.4l icepacks

https://unicat.msf.org/cat/product/99307
NST PCOLPACKB34

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OC subscriptions: included in supply or field order tools (e.g. UniField)
SC subscriptions: included in supply or field tools
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)
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WATER BALLAST FRAME empty, for 3 x 0.4l icepacks

Form

A 3D printed water ballast frame ​for use in Vestfrost G3 refrigerators, narrow version for 0.4 litre icepacks with the dimensions 406 x 214 x 39 mm.Per piece.

You can order this via the ESCs and they will print it or if you have a 3D printer available you can print it yourself.

Manufacturing instructions:

  • Material: PETG, color: any
  • 3D printer: any FDM 3D printer with the minimal build plate size 200 x 200 mm.
  • Slicer settings: 4 perimeters to increase strength, support needed everywhere.
  • Post processing instructions: Remove supports (do not forget to remove supports from inside), clean the parts from stringing if needed, check if the parts slides into each other as per assembly instructions.

Assembly instructions:

  • ​Slide the left part and the right parts into the middle part fully.
  • Insert the 3 of 0.6l icepacks in left and right part
  • Slide the Slider 1 and Slicer 2 to hold the icepacks in place.
  • Insert the Lock 1 and Lock 2 from the top, mind the orientation of the grove, inside.

Repository with the 3D printing file: https://www.printables.com/model/1524589-refrigerator-ballast-frame-small

Image

Fit

​Primary compatibility:

  • Vestfrost G3 refrigerators
  • Narrow baskets

Compatible accessories:

  • 0.4 litre icepacks

Function

The function of this frame is to hold icepacks to create water ballast. This water ballast functions as a thermal buffer, stabilizing temperatures in cold chain refrigerators. Located above the storage baskets, this container, filled with water ice packs, uses its high thermal mass to absorb heat and preserve the cold. When the main lid is opened for inspecting, checking temperature monitors, or other reasons, the ballast acts as both a physical and thermal barrier. It prevents warm ambient air from directly reaching the vaccines and helps mitigate sudden temperature rises. This setup is essential for maintaining the strict temperature requirements of the cold chain, offering extra "holdover time" during frequent door openings or brief power interruptions.