AS4187 – Updates, changes and implementation

Terry McAuley1

1STEAM Consulting Pty Ltd, PO Box 2249 Greenvale VIC 3059,

The current edition of AS/NZS4187 was published in December 2014. Since that time two amendments have been published, the most recent released on May 7th, 2019. Amendment No. 2 addressed many of the issues raised with respect to water quality and steam purity requirements and modified some of the water quality specifications, testing frequency and test methods.

This presentation will provide an overview of the changes to water quality requirements in Amendment No. 2 and provide some ‘handy hints’ for specifying water treatment systems, implementing water quality and steam purity monitoring and what corrective actions you may need to take if your results exceed the specifications.

Finally, the progress of the proposed revision to AS/NZS4187 and AS/NZS4815 will be discussed.

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