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Welding of Large Diameter Heavy Wall Polyolefine Pipes and Long Term Performance [PE]

Hessel, Lueghamer, Tsunaga

# 2004 Milan

Case histories of large diameter heavy wall polyolefine pipe installations for water supply in Japan are presented. The different methods for heated butt welding procedures for polyethylene are compared. The test methods to assess the performance of the welds are described and the failure mechanisms are discussed. Basing on experimental results the long term performance of a butt welded polyethylene pipe is predicted for a service life of more than 100 years.

Please note that the whole article content is available on PPCA website onlySource : 2004 Milan

Author(s) : Norbert Jansen, Albert Lueghamer 2018 Las-Vegas

Demand for polyethylene (PE) pipe continues to grow on a global basis. The performance properties of this tough, durable piping material are widely recognized by the engineering and design community on a worldwide scale and the range of applications expands. The evolutionary trend in PE piping systems has been very...

Successful application of PP pipes for Ultra Pure Water pipeline

Author(s) : Albert Lueghamer, Markus Haager, Peter Eitzenberger 2010 Vancouver

Ultra pure water (UPW) is an important resource in several industry sectors. A project in The Netherlands is presented where a pipeline for the transportation of UPW was recently built using PP pipes with a diameter of 280 mm (SDR 17.6). The project was unique in several ways. While typically UPW piping systems are...

Comparison of Long-Term and Short-Term Tests for Electrofusion Joints in PE Pipes

Author(s) : Troughton, Brown, Hessel, Piovano 2006 Washington DC

As part of the Polytec Systems European-funded project, electrofusion (EF) joints in polyethylene (PE) pipe, containing different flaws, have been subjected to various standard and non-standard, long-term and short-term, coupon and whole pipe tests. The results were compared to determine which tests could...

Cross-Linked PE Pipe for Hot Water and Geothermal Applications Reliability and Fusion Technology

Author(s) : Tsunaga, Matsunami, Sato, Nakata 1998 Gothenburg

By applying the cross-linked EF to the cross-linked PE(PEX) pipe \vhicli has a composite structure, the reliability of hot water piping system under severe environment lias significantly increased. A continuous use for approsimately 30 years under severe conditions such as 80 "C. and I MPa becomes possible. In this...

Buried PA 12 Pipes for the Transport of Gas & Water

Author(s) : Hessel 2008 Budapest

Experience with PP Pipes Used in Steel Mills

Author(s) : Haager, Gruber, Lueghamer, Nitsche 2008 Budapest

Resistance of Large Diameter PE Pipes to Internal Pressure

Author(s) : Hessel 2008 Budapest

Thermal Ageing of PE 100 Pipes for Accelerated Lifetime Prediction under Service Conditions

Author(s) : Vogt, Enderle, Schulte, Hessel 2008 Budapest