Juni 26, 2023

by admin in Uncategorized

A simple design procedure for PVC pipe to account for cyclic pressure loading

Plastic Pipes Conference Association # 2016 Berlin Steven Folkman, Ron Bishop One of conditions design engineers face is selecting an appropriate pipe wall thickness (or DR) that will accommodate both maximum operating pressure and repeated surge pressure events. Methods for assessing the number of cycles to failure is quite well developed for PVC pipe. Fracture […]

April 11, 2023

by admin in Uncategorized

Effect of beta-nucleation on aging and crack growth resistance of polypropylene exposed to chlorinated water

Joerg Fischer, Paul J. Freudenthaler, Patrick R. Bradler, Reinhold W. Lang, Susan C. Mantell Papers # 2018 Las-Vegas This research addresses the effect of nucleation on the global aging behavior and the fatigue crack growth (FCG) resistance of commercial alpha- and beta-nucleated polypropylene random copolymer pipe grades (PP-R) when exposed to chlorinated water (5 mg/l […]

Maret 6, 2023

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POLYETHYLENE OF RAISED TEMPERATURE (PE-RT) IN LOW TEMPERATURE DISTRICT HEATING SYSTEMS

Alex Stolarz, Klaus Grønnegaard Lauridsen # 2021 Amsterdam Low temperature District Heating – COOL DH – addresses the challenges of the upcoming decades in the energy sector for new housing developments. Energy efficiency is an important aspect of modern building construction. Improved building insulation and other technologies result in lower heat demand and enable new […]

Maret 1, 2023

by admin in Uncategorized

TESTING AND EVALUATION OF NANOADDITIVES IN U-PVC PIPES

TESTING AND EVALUATION OF NANOADDITIVES IN U-PVC PIPES Boccaleri, L. Palin, G. Rombolà, M. Milanesio # 2021 Amsterdam In the last decades, research on nanostructured materials as additives for plastics involved several polymeric matrices, but only limited studies and publications involve PVC. In this work, the context of rigid application of PVC (U-PVC) for pipes […]

Januari 10, 2023

by admin in Uncategorized

PIPE FOR FIRE EXTINGISHING DEVICE

Yoshikatsu NISHIDA, Yukihisa YAMADA, Masaya IWASAKI, Masaru TOMOBE, Yuichi KOUGA # 2021 Amsterdam By using polyethylene as the main material for this fire extinguishing device pipe, a resin-made fire extinguishing device is developed that is maintenance-free for eight years and can cope with the abnormal heat generation of lithium ion batteries. In order to prevent […]

November 29, 2022

by admin in Uncategorized

CHALLENGING THE 10% WALL THICKNESS RULE FOR HDPE MARINE PIPELINES

Ilija Radeljic, Ebbe Smith # 2021 Amsterdam HDPE pipe can be relatively easily scratched during the manipulation on the site, which is especially true for the marine pipelines. Installing the scratched marine pipe with the S bend method presents a risk and repair methods are usually performed. Currently, there is no standard defining the repair procedure, […]

November 22, 2022

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MULTILAYER POLYMER PIPES – THE INFLUENCE OF RESIDUAL STRESS ON FATIGUE LIFETIME

Lukas Travnicek, Pavel Hutar, Jan Poduska, Andreas Frank, Florian Arbeiter, Jaroslav Kucera, Jiri Sadilek, Gerald Pinter, Lubos Nahlik # 2021 Amsterdam The application of recycled material in pressure piping systems has been considered lately – it was suggested, that the recycled polyethylene could be used as a part of a multilayer pipe together with virgin […]

November 16, 2022

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Comparison Between Stress Rupture Test and Hot Water Circulation Test Considering actual operating condition of PE Pipes For Hot Water Application

Takehiro Fujii, Kazuhisa Igawa, Hidekazu Honma, Kazushi Yamada, Hiroyuki Nishimura Papers # 2016 Berlin The hydrostatic stress rupture test has been conventionally conducted as a good method of the lifetime evaluation. The hot water circulation test which is reflected to the actual operating condition is also useful method. The correlations and differences between the two […]

November 10, 2022

by admin in Market Reports

C-PVC-O, pushing limits beyond in molecular orientation

Ignacio Muñoz Papers # 2018 Las-Vegas During the last years PVC-O has become a popular product in pipe business due to the huge improvements of mechanical properties of PVC after orientation. At the same time, CPVC has become an important choice for hot water conduits in in-house applications. Molecor has started a research program to […]

November 1, 2022

by admin in Uncategorized

LARGE DIAMETER & THICK WALL HDPE PIPES PRODUCED AND DEVELOPED IN THE MIDDLE EAST – 3 CASE STORIES

aplicatioEng. Grigorios Vigellis, Eng. Mohamed Hageb # 2021 Amsterdam Continuous development and innovation in the production of plastic pipes made by high density polyethylene (HDPE) has enabled the industry to produce much larger diameter systems than ever believed possible. The enablers for production of such large plastic pipes are three main pillars: continuous innovation of plastic piping raw materials […]

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A simple design procedure for PVC pipe to account for cyclic pressure loading

Effect of beta-nucleation on aging and crack growth resistance of polypropylene exposed to chlorinated water

POLYETHYLENE OF RAISED TEMPERATURE (PE-RT) IN LOW TEMPERATURE DISTRICT HEATING SYSTEMS

TESTING AND EVALUATION OF NANOADDITIVES IN U-PVC PIPES

PIPE FOR FIRE EXTINGISHING DEVICE

CHALLENGING THE 10% WALL THICKNESS RULE FOR HDPE MARINE PIPELINES

MULTILAYER POLYMER PIPES – THE INFLUENCE OF RESIDUAL STRESS ON FATIGUE LIFETIME

Comparison Between Stress Rupture Test and Hot Water Circulation Test Considering actual operating condition of PE Pipes For Hot Water Application

C-PVC-O, pushing limits beyond in molecular orientation

LARGE DIAMETER & THICK WALL HDPE PIPES PRODUCED AND DEVELOPED IN THE MIDDLE EAST – 3 CASE STORIES

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