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ISO 27509:2012

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

General information
Withdrawn from 07.12.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
07.12.2020
Main
29.07.2013
Corrigendum
13.12.2012
Main
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 �) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS �) 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.
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