July 2019 Vol. 4

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PPN- The Leading Source of Industry News on Polymer Pipes and Plastic Pipe Failure


NEWSMAKERS: * Aquatherm * Agru * ExcelPlas * MOEC * PIPA * Reliance * Tubi * VBA * Vinidex

Disrupting an Industry One Pipe at a Time (Feature Article)
https://www.livewiremarkets.com/wires/disrupting-an-industry-one-pipe-at-a-time

Vinidex Fails in Contesting HDPE Pipe Manufacturing Patent
Tubi’s core patent was contested by Vinidex, who is the Australian subsidiary of Aliaxis, who is a leading global pipe company. Vinidex’s contest failed thus ensuring the validity of Tubi’s IP being novel. This also suggest that HDPE pipeline companies will see Tubi as a threat that can take material market share.
https://www.livewiremarkets.com/wires/disrupting-an-industry-one-pipe-at-a-time

New HDPE Pipe Installer
https://www.moec.com.au/

Breaking News – CSG Impacts on Surat Basin Revealed in Draft Report
https://www.energynewsbulletin.net/policy/news/1367479/csg-impacts-on-surat-basin-revealed-in-draft-report

Australian Poly Solutions Specialises in HDPE Pipe Fusion Welding and Hydrostatic Testing Services with Knowhow and Experience you can rely on
https://www.aussiepoly.com.au/

Descaling of HDPE-lined Brine Pipes
https://www.linkedin.com/pulse/descaling-brine-pipelines-progressive-effectiveness-luca-reinhart

AGRU Supplies XXL PE100 Pipes for New City Territory in Monaco
http://www.agru.at/pt/aplicacoes/agruline/tailored-pipe-system-in-xxl-format/

King County Jail Plagued with Water Failures Stemming from Aquatherm Pipes
http://www.issaquahreporter.com/news/king-county-jail-lost-water-16-times-since-2018/

King County will Spend $23.5 million USD to Fix Jail’s Leaking Aquatherm Pipes
https://www.seattleweekly.com/news/king-county-will-spend-23-5-million-to-fix-jails-leaking-pipes/

Aquatherm Publishes Extensive List of Exclusions to PP-R Pipe Warranty (2019)
http://www.aquatherm.com.au/images/pdf/aquatherm_warranty_statement_2019.pdf

Zurn Lawsuit Investigation for Plumbing Problems, Early Failure of PEX System
https://www.classaction.org/zurn-pex-plumbing-lawsuits

ExcelPlas Labs Offer Global Pipe Failure Investigations
ExcelPlas Labs have created a new benchmark in failure analysis of HDPE, PP-R, PB and PEX pipes in addition to PVC &  CPVC pipes as well as composite GRP and GRE pipes.  When a plastic pipeline fails to perform as intended, our team can determine the root cause of failure (e.g.  oxidative failure, chemical failure, creep failure, over-stress failure, fatigue failure, design failure, etc).  ExcelPlas are experienced with all plastic piping failure modes and mechanisms including Slow Crack Growth (SCG) Rapid Crack Propagation (RCP), Environmental Stress Crack Resistance (ESCR), Oxidative Stress Cracking (OSC), cyclic fatigue, manufacturing defects, and polymer material problems.
http://www.excelplas.com/

Impressive Video of Tig Welding PEX-AL-PEX Pipe Production Line
https://www.youtube.com/watch?v=WhzvNRRP-qo

PIPA PUBLISHES UPDATE OF POLYETHYLENE PIPE AND FITTINGS COMPOUNDS
https://www.pipa.com.au/wp-content/uploads/2019/07/POP004.pdf

PIPA PUBLISHES UPDATE OF MATERIALS SPECIFIC TO ELECTROFUSION AND MOULDED FITTINGS
https://www.pipa.com.au/wp-content/uploads/2019/07/POP004A.pdf

VBA Publishes NCC 2019 Plumbing Presentation  on Preventing Plumbing Failures
https://www.vba.vic.gov.au/__data/assets/pdf_file/0016/101095/VBA-NCC-2019-Plumbing-presentation.pdf

Introducing SharkBite PE-RT Pipe (NEW!)
https://www.youtube.com/watch?v=nI26n3QzeuI

Uponor Introduces New PEX Solutions for Radiant Heating
https://modernpumpingtoday.com/next-wave-radiant-new-solutions-radiant-heating-cooling-applications/

New Zealand Technical Forum of HDPE Pipes and Trenchless Technology
https://www.trenchless-australasia.com/events/techforums-new-zealand/

New Polymer Materials for Protection of City Gas Distribution Networks (New)
https://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2739657

Improving Pipe Failure Predictions: Factors Affecting Pipe Failure in Drinking Water Networks
https://www.sciencedirect.com/science/article/abs/pii/S0043135419307006

Determination of Design Coefficients for New Polyethylene Pipes Used in the Rehabilitation of Old Pipelines (New)
https://ascelibrary.org/doi/full/10.1061/%28ASCE%29PS.1949-1204.0000394

Numerical Simulation of Ductile Fracture in Polyethylene Pipe with Continuum Damage Mechanics (New)
https://journals.sagepub.com/doi/abs/10.1177/1464420719863458

New Method to Calculate Hydraulic Transients in HDPE Pipes Using the Standard Solid Model (New)
https://iopscience.iop.org/article/10.1088/1755-1315/240/5/052020/pdf


ExcelPlas – the Australian Pipes & Fittings Testing Laboratory

  • Accredited to ISO 17025 by the National Association of Testing Authorities (NATA) Australia, and is Australia’s largest laboratory dedicated for the testing of plastic pipes and fittings to various Standards which include Australian, European and International Standards.
  • The staff employed at the laboratory have a combined experience of more than 85 years within the plastics industry specifically with manufacturing, quality control and the research and development of plastic piping systems including HDPE, PEX, PP-R, PVC, U-PVC, M-PVC, O-PVC, ABS, GRP, GRE and PB.
  • Services provided include conformance testing, compliance testing, batch release testing, root cause analysis for field failures and non-destructive testing of samples.
  • http://www.excelplas.com/

ExcelPlas Lab Specialising in HDPE Pipe Condition Monitoring, Failure Analysis and Testing
In the event of a HDPE buttweld or electrofusion weld failing during initial testing, or in service, we can conduct investigations to assist in identifying the root cause of the failure.
This service also extends to the premature failure of the pipe or fitting itself.
http://www.excelplas.com/plastic-pipes

ExcelPlas Pipe Testing is a Leader in the Field of Polyethylene (PE) and High-Density Polyethylene (HDPE) Testing
ExcelPlas is accredited with the National Association of Testing Authorities (NATA) for butt weld tests, bend and tensile tests, peel decohesion tests on electro fusion sockets and failure mode determination
http://www.polypipetesting.com.au/butt-fusion-welds/

New UHMWPE Pipe for Tailing Offers Greater Than 4X the Abrasion Resistance of PE100 (Australia wide)
http://slurrypipes.com.au/


ExcelPlas Poly Pipe Weld Inspection Lists Top 7 Causes of Weld Failure:
• Lack of scraping
• Inaccurate scraping
• Contamination from dirt, water, oil or clays
• Lack of Paralell-ness of fusion faces
• Misalignment of surfaces
• Time, temperature and pressure deviations
• Not adhering to cool times

We have extensive experience in inspection of poly pipe welds for assuring welded joint quality.  Direct Poly Pipe Inspection ensures that operators are following the proven welding procedure; this reduces the occurrences of operational errors which lead to defects such as inclusions, lack of fusion (LoF), porosity and misalignment.
More information, contact john@excelplas.com

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https://www.polypipenews.com.au/advertise/

This Newsletter is brought to you by Excelplas Labs, Australia’s Largest group of Poly Pipe Testing Labs.

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