Gema-tec a/s Extendable conveying screws can be delivered with either single or duble extendable screws.

The extendable conveying screw is a great alternative to customers who needs a particular efficient flow and subsequent emptying from silos or containers. Furthermore they are designed to handle non-homogene materials, such as wood chips, paper, material from the flour milling industry, grain and flour as well as wood grind, soy etc.


  • Easy adjustable installation
  • Robust hard-wearing material in stainless steel or black powder painte
  • Prevents bridge-building, rat-holes or segregation, which improves material flow
  • Modular design improves installation flexibility
  • Simple compact gear-mount to coupling, chain or belt transmission
  • Maintenance free in-between cast bearings with automatically lubricated bushing
  • Available with food approval certificate
  • Available with ATEX, Zone 22 certificate

For more information, please call +45 7586 8015