Standards groups in the U.S. and abroad have been actively advocating for compression packing used in valve stem sealing. Some of other more relevant provisions and changes are outlined in this article.
The working group (WG 10) for International Organization for Standardization’s (ISO) ISO/TC 153/SC 1, which covers industrial valves – including design, materials, manufacturing, testing and inspection – has been working on the second edition of ISO 15848-1. The second edition has reportedly been approved and is expected to be released in the first quarter of 2015.
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