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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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  • SAERTEX-LINER® H2O receives approval in Australia and New Zealand

    We are proud to announce that our SAERTEX-LINER H2O has been successfully tested for use in contact with drinking water according to AS/NZS 4020:2018.

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  • Highlights of the successful IFAT Munich 2022

    We look back on a successful week at IFAT Munich 2022 with a lot of joy and at the same time a little melancholy because the time has passed so quickly. We are glad to finally be able to enjoy the beautiful moments of a fair again after a long time.

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  • Our interviews from IFAT Munich 2022

    At this year's IFAT Munich 2022, in addition to interesting and instructive discussions with other visitors and exhibitors, we also interviewed our own experts.

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  • Successful rehabilitation of a potable water pipe in São Paulo, Brazil

    SAERTEX multiCom supplied the latest rehabilitation project in São Paulo with some of the longest single shots ever rehabilitated. The Brás and Jardins area is always populated with people and commercial activity, so SAERTEX multiCom's trenchless solutions were a perfect fit for this project. 

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  • Our digital customer portal is online

    Order a liner online in just a few clicks and view the most important documents at a glance? That is now possible with SAERTEX multiCom.

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  • The Future is Trenchless! SAERTEX multiCom at IFAT 2022 in Munich

    After numerous trade fairs were cancelled due to the Corona pandemic, SAERTEX multiCom will be back this year as an exhibitor at IFAT in Munich (29 May to 03 June 2022, Hall C3, Booth 317). The focus is on technologies and services for the trenchless rehabilitation of pressure pipelines, especially drinking water and gas. When it comes to the rehabilitation of drinking water and gas pipelines, experienced experts with equipment and know-how provide support worldwide from the concept phase to successful project completion, enabling customers to carry out their projects smoothly.

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