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.
Revises
ISO 7121:1986
WITHDRAWN
ISO 7121:2006
95.99
Withdrawal of Standard
Apr 7, 2016
PUBLISHED
ISO 7121:2016
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