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Technical Reports of PE-pipes after widespread catastrophe by Tsunamis, Earthquake in Japan 2011

Foreword / Krah AG / Aug 2011

In March this year a massive earthquake in Japan - with all its terrible consequences - terrified many parts of the world. Still many people are struggling with the consequences of the disaster. The infrastructure in many parts of the country is affected, too.

Our customer and appreciated member of Krah Community „Dainippon Plastics Co. Ltd.” is producing PE-Pipes with Krah Production Technology since the early 80s and has installed a further Pipe Production Plant at Ako plant quite recently. As many of their pipe projects were implemented in the disaster area, the company commissioned the testing of the pipelines.


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Krah K12® pipes

How to compare Krah and ADS pipes?

In the South and North American pipe market there’s some confusion regarding the proper way to compare ADS pipes with other technologies. This is due, mainly, to the fact that ADS technology does not offer standardized pipe stiffness classes (for instance SN2, SN4, SN8, etc, as European standards demand), but they only offer one kind of pipe (with specific ring stiffness) for each diameter.

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