How to use Cement for Save Connections in Pipeline Engineering

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Pörner Ingenieurgesellschaft mbH

Italvacuum, Srl

ProMinent GmbH

Georg Fischer Piping Systems Ltd

In 1952 Georg Fischer launched the first PVC fittings. During the development phase, intensive R&D efforts were dedicated to new jointing technologies. Thus, the formula for what was later to become the adhesive Tangit was developed. Thanks to its efficiency, reliability and ease of use, Tangit is today still a very successful product, continually improved. In 1964 GF Piping Systems formed a partnership with the world’s largest manufacturer of adhesives, Henkel, and they continue to work actively together to further develop jointing technologies.

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Due to its innovative work in the field of solvent cementable piping systems, GF Piping Systems strengthened its position as a leading supplier of piping systems and jointing technologies. Over one billion successful connections worldwide are testimony to the reliability of the cementing process and the trust which customers place in this technology. Additional convincing features are the easy handling – even in cramped spaces – as well as the chemical and temperature resistance.

Wide range of application areas for cements

Two projects realized in Austria illustrate perfectly the versatility of the cement bonding method in constructing industrial piping systems. Körner Chemical Plant Engineering was commissioned with setting up a plant to degrease and pre-treat metal parts prior to galvanization. In the zinc bath treatment process, alkalis and acids are used in addition to a water bath, and suction lines are required to conduct vapors back to the air washer.

GF Piping Systems‘ solution comprised PVC-U piping systems, cement bonded with Tangit, manually operated ball valves and a range of services from material testing and recommendations to installation supervision and on-site support. Under these aggressive application conditions, PVC-U convinced with its high chemical resistance. The plant was brought on line in 2006 and has been in operation since without any problems.

For the company Donauchem, it was crucial that only maintenance friendly pipelines and valves with high chemical resistance were used in the new, automated mixing plant for flexible mixing and manufacturing of inorganic chemicals. The plant operates with various mixtures of acids and alkalis at temperatures between 10 °C and 30 °C as well as pressures up to 3 bar. The solution offered by GF Piping Systems encompassed PE 100 pipes with butt-fusion joints and PVC-U pipes with solvent cement joints, including diaphragm valves and ball valves as well as fusion machines, adhesives and cleaners. The plant was successfully taken into operation in 2010.

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