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ISO 6002:2021PublishedIndustrial valves — Bolted bonnet steel gate valvesInternational Standard · Published 25 Jan 2021 · ISO/TC 153ISO 16139:2006PublishedIndustrial valves — Gate valves of thermoplastics materialsInternational Standard · Published 14 Mar 2006 · ISO/TC 138/SC 7ISO 5996:1984WithdrawnCast iron gate valvesInternational Standard · Published 1 Dec 1984 · ISO/TC 153ISO 6002:1992WithdrawnBolted bonnet steel gate valvesInternational Standard · Published 18 Jun 1992 · ISO/TC 153ISO 7259:1988WithdrawnPredominantly key-operated cast iron gate valves for underground useInternational Standard · Published 29 Dec 1988 · ISO/TC 153