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CIPP: Annular space and structural integrity

The regular existence of excessively large annular spaces between the CIPP and the existing pipeline after installation has been recently the subject of controversial discussions among experts. The various reasons for the annular space as well as the effects on structural integrity are discussed.In the following technical report by Dr.-Ing. Ricky Selle a systematic approach to the topic is made. The possible reasons for the formation of annular spaces are pointed out and classified in terms of their potential. On this basis, the effects on structural integrity of the liners can be quantified. 

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  • Open cut trench method vs. UV-CIPP

    48 trillion cubic meters of potable water! That's the amount of water lost annually due to defective water pipes. To avoid such wastage, it is important for defective pipes to be rehabilitated quickly. There are different remediation options for this.

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  • 9th Saerbeck Pipe Symposium 

    Make plans to attend our great networking event! You can expect two exciting days that include learning and discussing the benefits of trenchless pipeline rehabilitation.

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  • CIPP: Annular space and structural integrity

    The regular existence of excessively large annular spaces between the CIPP and the existing pipeline after installation has been recently the subject of controversial discussions among experts. The various reasons for the annular space as well as the effects on structural integrity are discussed.In the following technical report by Dr.-Ing. Ricky Selle a systematic approach to the topic is made. The possible reasons for the formation of annular spaces are pointed out and classified in terms of their potential. On this basis, the effects on structural integrity of the liners can be quantified. 

    Read more
  • International Application Meeting 2022

    13.01.2022 - Save the date!

    We look forward to seeing you at SAERTEX multiCom's International Application Meeting 2022.  

     

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  • Styrene-free SAERTEX-LINER ENVIRONMENT now with DIBt approval

    The styrene-free SAERTEX-LINER ENVIRONMENT was the first GRP liner with styrene-free VE resin on the market to be approved by DIBt. This improves the range of products offered by SAERTEX multiCom for the trenchless rehabilitation of wastewater pipes, especially for applications where it is important to avoid the typical odor of styrene.

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  • Improved Transportation and Storage Conditions for the SAERTEX-LINERS MULTI and GAS

    Over recent months our team has been working intensively on improving the transport and storage conditions for our pre-impregnated GRP LINERS. We are pleased to inform you now that temperature control (cooling) for a large number of our GRP LINER shipments is no longer necessary. Moreover, there are also positive new developments regarding the storage conditions for some product ranges.

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