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Butt-Fusion of PE-GF

General: Since some years helical extruded pipes made of PE-GF are used in the market for pressure application.Worldwide many projects have been realized in various diameters and for pressure applications up to 16 bar. The pipes are produced by the Krah Comtruder®-Technology, what guarantees a homogenously distribution of the chopped glass-fibers and the coupling-agent in

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30 % less Energy Consumption…

 … was not the only reason for the English Polypipe Group to purchase the Krah Compounder Concept.  Since many years Krah is with the ComTruder® involved in the inline compounding technology. Until today the system was used to produce and to extrude a compound based on PE/PP with glass-fiber or Calcium Carbonate as a part

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Principal Groundwater Discharge

Krah Chile is using Krah PE-GF Pressure Pipe Technology since 2009. The installed Krah KDR 700 is able to produce pressure pipes with standard PE100 or with PE-GF200. Since beginning Krah Chile delivered their pressure pipes for many applications. One examplary project is described below: Krah Chile produced more than 1300 meter PE-GF-pressure pipes in

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Outfall DN/ID 3000 mm in Peru

In this year 2013 a new record was made in Lima, Peru. Polyethylene pipes DN/ID 3000 were used for a deep water outfall pipeline. The polyethylene pipes were produced according to the Krah-Technology in Spain by PPA&Krah, Vitoria. PPA&Krah had already a lot of successful installed large outfall pipelines in the Mediterranean Sea and Atlantic

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Large pipe technology from Krah used for wastewater treatment plant in peru

Earlier this year, pipe/tube winding equipment manufacturer PPA & Krah supplied polyethylene pipes DN/ID 3000 for a deep water outfall pipeline in Lima, Peru. Krah said that previously the company had successfully installed large outfall pipelines in the Mediterranean Sea and Atlantic Ocean, but that one of the challenges in this project was to open

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Helical Wound HDPE Pipes

A wonder material of construction “Plastindia Journal”, September 2013 (English) Over the last decades the inherent weaknesses of concrete, clay, ductile, PVC and steel caused tremendous problems in existing sewer pipe systems, as they tend to be brittle or are too sensitive to aggressive chemicals and soil conditions. Failures had becoma a common occurrence worldwide

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And the WINNERS are…

Krah Calendar 2014   In the upcoming year, many will be faced with the question: What’s this got to do with pipes? So one or the other may have also marveled at the international plastics trade fair K2013, when he was confronted with the new designs of the Krah Calendar 2014. The answer to the

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Large Outfall Pipeline up to DN/ID 3000 mm, jointed by electro fusion.

  New Video in the KRAH AG channel (youtube: http://www.youtube.com/user/krahnet). Nice large outfall pipes or intakes pipes are shown in this video, to show that our Krah Large Pipe Technology can be used for these kind of application. All jobs were executed by the Spanish company PPA&Krah (www.ppakrah.com). The video: http://www.youtube.com/user/krahnet The complete video and

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Meet Kalli

  This is Kalli, Kalli is an engineer at the Krah AG. He is already retired since a few years, but now he came back with his mission to explain Krah technology in a very simple way to nearly everybody. To present and underline his explanations he is using video, so that also everyone else

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Segmented fittings fabricated from large diameter polyethylene pressure pipes

General: Segmented Fittings are state of the art for large diameter polyethylene pressure pipe systems. The maximum injection molded bends and T-pieces are until OD 500 available, injection molded stub-ends until OD 630. In larger diameters segmented fittings are the first choice. To guarantee the required homogeneity, stability and strength it is most important to

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