Abstract
ISO 7121:2006 specifies the requirements for a series of steel ball valves suitable for general-purpose industrial applications. It covers valves of the nominal sizes DN 8, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500 (NPS 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 6, 8, 10, 12, 14, 16, 18 and 20), and is applicable to pressure designations Class 150, 300, 600, 900, and PN 10, 16, 25, 40, 63, 100.
General information
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Status: WithdrawnPublication date: 2006-05Stage: Withdrawal of International Standard [95.99]
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Edition: 2Number of pages: 23
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Technical Committee :ISO/TC 153ICS :23.060.20
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Life cycle
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Previously
WithdrawnISO 7121:1986
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Now
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Revised by
PublishedISO 7121:2016