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ISO 27509:2012

Petroleum and natural gas industries — Compact flanged connections with IX seal ring

Dec 13, 2012
95.99   Withdrawal of Standard   Dec 7, 2020

General information

95.99     Dec 7, 2020

ISO

ISO/TC 67/SC 6

International Standard

23.040.60  

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Scope

ISO 27509:2012 specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS ½) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS ½) to DN 600 (NPS 24).
ISO 27509:2012 is applicable to welding neck flanges, blind flanges, paddle spacers and spacer blinds (paddle blanks), valve/equipment integral flanges, orifice spacers, reducing threaded flanges and rigid interfaces for use in process piping for the petroleum, petrochemical and natural gas industries.
ISO 27509:2012 is applicable within a temperature range from -196 °C to +250 °C.
ISO 27509:2012 is not applicable for external pressure.

Life cycle

NOW

WITHDRAWN
ISO 27509:2012
95.99 Withdrawal of Standard
Dec 7, 2020

CORRIGENDA / AMENDMENTS

WITHDRAWN
ISO 27509:2012/Cor 1:2013

REVISED BY

PUBLISHED
ISO 27509:2020