ISO 27509:2020
Current
The latest, up-to-date edition.
Petroleum and natural gas industries — Compact flanged connections with IX seal ring
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English
07-12-2020
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This document 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).
NOTE NPS is expressed in accordance with ASME B36.10M and ASME B36.19M.
This document 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.
This document is applicable within a temperature range from −196 °C to +250 °C.
This document is not applicable for external pressure.
| Committee |
ISO/TC 67/SC 6
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| DocumentType |
Standard
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| Pages |
106
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| ProductNote |
THIS STANDARD ALSO REFERS:EN1591-1,DNV report No. 90-3241,DNV report No. 91-3156,DNV report No. 91-3193,DNV report No. 91-3418,DNV report No. 91-3458,DNV report No. 94-3567,DNV report No. 96-3160,DNV report No. 96-3263,DNV report No. 96-3426,DNV report No. 97-3547,DNV report No. 98-3430,DNV report No. 00-1008,DNV report No. 2003-1139,
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| PublisherName |
International Organization for Standardization
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| Status |
Current
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| Supersedes |
| Standards | Relationship |
| EN ISO 27509:2020 | Identical |
| I.S. EN ISO 27509:2020 | Identical |
| ÖNORM EN ISO 27509:2021 04 15 | Identical |
| NS-EN ISO 27509:2020 | Identical |
| SN EN ISO 27509:2021 | Identical |
| PN-EN ISO 27509:2021-06 | Identical |
| UNI EN ISO 27509 : 2021 | Identical |
| UNE-EN ISO 27509:2020 | Identical |
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