ISO 7121:1986Withdrawn

Flanged steel ball valves

Robinets à tournant sphérique en acier, à brides

Abstract / scope

Specifies requirements for nominal pressure ranges from ISO PN10 to ISO PN100 and nominal sizes from DN10 to DN500. Contains definitions and figures to illustrate them. Gives tables for body wall thickness, body and port inside diameter, effective diameters, and drain tappings. Includes an annex for information to be specified by purchaser.

Life cycle

Replaced by

ISO 7121:2006WithdrawnSteel ball valves for general-purpose industrial applicationsInternational Standard · Published 11 May 2006 · ISO/TC 153