2021 Amsterdam : ANALYSIS OF PVC AND CPVC BLENDS
Author(s) : Saleem Shakir
Unplasticized formulations based on Poly(Vinyl Chloride) (PVC) and Chlorinated Poly(Vinyl
Chloride) (CPVC) resins offer technical solution to pressure piping systems that find extensive use in
residential and industrial applications. Building upon the desirable properties of the vinyl monomer, the
chlorine content of...
2021 Amsterdam : FRACTURE MECHANICS TECHNIQUES IN LARGE DIAMETER PVC PIPES
Author(s) : Antonio Rodolfo Jr., Vanderley M. John
Unplasticised (U-PVC) and modified (M-PVC) pipes used in irrigation and infrastructure
applications, outside diameter 326 mm, were evaluated according to various fracture mechanics
methodologies, including fracture toughness (stress intensity factor KC and energy release rate GC,
both at fracture), essential work of...
2021 Amsterdam : MODIFIED PLAIN STRAIN GROOVED TENSILE TEST TO EVALUATE LARGE DIAMETER PE PIPES
Author(s) : Thomas R. Kratochvilla, Patrick Grünbeck, Christoph Bruckner, Raimund Eremiasch, Harald Wilhelm, Mario Vukelja
In the last decades pipe dimensions of extruded PE pipes have reached new orders
of size. Today, PE pipes with outer diameters of up to DN/OD 3500 mm are produced
and used for pressure pipe applications like seawater intake/discharge, outfall, sewage
and industrial process piping systems.
To test the long-term...
2021 Amsterdam : RIGHT STABILIZATION AND QUICK MEASUREMENT OF GEL CONTENT IN PE-XA PIPES
Author(s) : Alireza Sahaf Amin, Dr. Gholamreza Pircheraghi
PE-Xa pipes used in the hot water supply are required for high mechanical strength and high creep
resistance at high temperature. Because of the higher cross-link degree of PE-Xa pipes as compared
with other crosslinked pipes methods , these pipes which are made by peroxide crosslinking have
better performance in the...
2021 Amsterdam : THE DEVELOPMENT TREND OF CHINA’S PLASTIC PIPE INDUSTRY RESPONDING TO CHANGES IN THE ECONOMIC SITUATION
Author(s) : Zhanjie Wang, Yan Zhao, Melody Guo, Yanju Fan, Wei Tang
In the past ten years, China's plastic pipe industry has maintained a steady growth and
made great progress in the upgrading of industrial structure, technological innovation,
and improvement of quality levels. However, at the same time, in the face of the complex
changes in the current economic situation, especially...
2021 Amsterdam : WHY PA-U12 HIGH PRESSURE PIPES DO NOT CARE ABOUT “ROCK ́N ́ SHARD” IN VIEW OF PAS 1075
Author(s) : Hermann van Laak, Jan Heimink, Mario Messiha, Andreas Frank, Christoph Bruckner, Thomas Kratochvilla
For high pressure pipes above maximum operation pressure of 10 bar, this paper
emphasizes PA-U12 as the easy to install alternative to steel. It underlines the superb
performance of PA-U12 pipes for alternative installation techniques without need for a
separate mechanical protection. An unplasticized polyamide 12...
2018 Las-Vegas : Design and qualification of PA-PERT pipe for oil and gas transportation
Author(s) : Liang Yu, Akshay Ponda, Dane Chang
Following the development of US shale oil and gas production since 2007, the demand for thermoplastic pipes with better corrosion resistance, and lower installation and operation cost than carbon steel pipe, has been growing significantly. Nylon 12 has been qualified for hydrocarbon transportation in offshore flexible...
2018 Las-Vegas : Determination of the slow crack growth resistance of PA12 pipe grades
Author(s) : Mario Messiha, Andreas Frank, Isabelle J. Berger, Jan Heimink, Hermann van Laak, Florian Arbeiter, Gerald Pinter
Since the last decade polyamide 12 (PA12) has been successfully introduced as material for SDR 11 gas piping systems up to 18 bar, representing itself as an attractive alternative to steel pipes for high-pressure applications. Practical experience has confirmed that beside the higher strength, PA12 pipe grades also...