# ISO 14903:2017 — Withdrawn and superseded ISO standards For ISO 14903:2017, item title is Refrigerating systems and heat pumps — Qualification of tightness of components and joints; status code is 9599; successor is ISO 14903:2025; withdrawn / published date is 2017-07-12, recorded from its source on 2026-08-05. - **Identifier:** ISO 14903:2017 _(verified: appears in the quote below)_ - **Item title:** Refrigerating systems and heat pumps — Qualification of tightness of components and joints _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 14903:2025 - **Withdrawn / published date:** 2017-07-12 _(verified: appears in the quote below)_ ## What the source says > 67553,IS,,ISO 14903:2017,Refrigerating systems and heat pumps — Qualification of tightness of components and joints,Systèmes de réfrigération et pompes à chaleur — Qualification de l'étanchéité des composants et des joints,2017-07-12,2,"['27.200','27.080']",ISO/TC 86/SC 1,9599,[55263],[86750],"['en','fr']",34,"

ISO 14903:2017 provides the qualification procedure for type approval of the tightness of hermetically sealed and closed components, joints and parts used in refrigerating systems and heat pumps as described in relevant parts of ISO 5149. The sealed and closed components, joints and parts concerned are, in particular, fittings, bursting discs, flanged or fitted assemblies. The tight ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).