Pipe Sealing Articles

  • Seal-Record in Essen, DE. case study

    The largest main collector within the jurisdiction of the Public Utility Company Essen has a nominal diameter of DN 3800. This main collectortown centre presented damages thatwere in need of redevelopment. After a thorough inspection, 33 leaky joints were selected for this pilot project and the company SMG Bautenschutztechnik fur Hoch und Tiefbau GmbH received the order. Project ...


    By AMEX GmbH

  • Environmental protection with Bentofix case study

    The project had been discussed for more than 40 years before the three-laned road (width 11.50m) was finally constructed in 2002. The required water protection measurement was performed in four working steps according to the planning of the designing office Misera in Freiburg: A 10cm thick sand layer was installed over the prepared subgrade A needlepunched geosynthetic clay liner ...


    By NAUE GmbH & Co.KG

  • Construction of a road tunnel on the Autobahn A38 case study

    Umbrella lining with Carbfol Today's modern traffic tunnels are increasingly being planned with a projected functionality for over 100 years – despite difficult geological and engineering conditions. The overriding objective of tunnel construction is the protection against the effects of groundwater and penetrating water. The local conditions at the highway tunnel construction site on ...


    By NAUE GmbH & Co.KG

  • Ämmässuo landfill, Finland case study

    Opened in 1987, the municipal landfill Ämmässuo in Finland extends over 50 ha, making it one of the largest in all of Scandinavia. Two test fields were set up to find a suitable solution for the surface sealing system and future slope reinforcement The structure of these fields consists of a mineral gas-drain layer, a mineral sealing layer, a geosynthetic clay liner, a protection ...


    By NAUE GmbH & Co.KG

  • Construction of a surface respository in the Ukraine case study

    As part of the shutting down of the nuclear power station in Chernobyl, a surface respository for weak to medium radio-active waste is being constructed around 30 km away from the power plant premises. The total building project JCSRM-Industrial Complexe for Solid Rodwaster Management) is sponsored by the EU and RWE Nukem GmbH, general contractors for these measures, commissioned NAUE GmbH & ...


    By NAUE GmbH & Co.KG

  • Pumping at Subzero Temperatures

    Pumping of cryogenic (low-temperature) products is important for many applications, especially in the field of liquefied natural gas (LNG). The Sulzer J-unit is a special sealing system for cryogenic pumps. It was invented more than 60 years ago. The evolution of the J-unit design since then has been impressive and has now resulted in a recently filed patent application by Sulzer. ...


    By Sulzer Ltd.

  • Six Factors to Consider Prior to Choosing an Electronic Enclosure

    Choosing the right enclosure maybe as important as selecting the right product. An electronic enclosure, also known as housing, helps protect the circuit board allowing it to function properly. Elements (e.g. water, wind, dust, dirt, heat, cold, humidity, and chemicals) in the surrounding environment could damage or deteriorate the product. For example, large temperature variations between the ...

  • Hygienic design for the food & processing industries

    Gaskets, seals and rough pipe surfaces are potential bacteria havens and hygienic challenges for the food and processing industry. The solution? Hygienic design. Jürgen Hofmann unlocks a glass cabinet. “Look at this,” he says - it is a length of stainless steel piping, which has a short branch at ninety degrees with a bolted-on cover. “There used to be a sensor in here or a similar device, but it ...

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