SANS/ISO 4427 Plastic Piping Systems: HDPE Material and Pipe Requirements
Plastic piping systems in South Africa are manufactured to the strictest of standards, mostly adopted from specifications published by the International Standards Organization (ISO). ISO was founded in 1946 by delegates from 25 countries at the Institute of Civil Engineers in London. To date, over 21801 International Standards have been published, covering most aspects of manufacturing and technology.
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