Industry valves - Lined metal quarter turn and check valves for chemical process and related industries - new standard issued

BS ISO 19240:2017

What is it?:

This standard specifies requirements for design, dimensions, material, fabrication and production testing of lined metal quarter turn valves (plug valves, butterfly valves, ball valves) and check valves with flanged, wafer and wafer lug body types. It covers valves of the nominal sizes, DN15 to DN1200 and pressure designations PN10 to Class 300.

Why Is it Important?:

ISO TC153 WG7 developed this new standard for lined valves for the chemical industry. Check valves are also in the scope. Diaphragm and Gate Valves are not included. There is no API equivalent so the USA are supporting the introduction of this international standard.

Published in Valve User Magazine Issue 43


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