# ISO 4126-4:2004/Cor 1:2007 — Withdrawn and superseded ISO standards For ISO 4126-4:2004/Cor 1:2007, item title is Safety devices for protection against excessive pressure — Part 4: Pilot-operated safety valves — Technical Corrigendum 1; status code is 9599; successor is ISO 4126-4:2013; withdrawn / published date is 2007-08-02, recorded from its source on 2026-08-05. - **Identifier:** ISO 4126-4:2004/Cor 1:2007 _(verified: appears in the quote below)_ - **Item title:** Safety devices for protection against excessive pressure — Part 4: Pilot-operated safety valves — Technical Corrigendum 1 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4126-4:2013 - **Withdrawn / published date:** 2007-08-02 _(verified: appears in the quote below)_ ## What the source says > 46466,IS,Cor,ISO 4126-4:2004/Cor 1:2007,Safety devices for protection against excessive pressure — Part 4: Pilot-operated safety valves — Technical Corrigendum 1,Dispositifs de sécurité pour protection contre les pressions excessives — Partie 4: Soupapes de sûreté pilotées — Rectificatif technique 1,2007-08-02,1,['13.240'],ISO/TC 185,9599,,[50827],['fr'],, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).