"Extrusion - International Magazine", Mar 2011 (English)

The German machine manufacturer Krah AG is global market leader when it comes to machines
for the production of plastic pipes made of thermoplastic materials and even for the supply of
turnkey plants to manufacture complete pipe systems for large pipe diameter (up to DN 4000
mm). In this respect the “helical extrusion” production method plays a decisive role, as comparing
to the past, when this procedure was mainly used to produce sewage pipes for non-pressure applications,
the technology has proved to be a real all-rounder. (Picture 1) Please find complete article here:

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