Part 3: safety valves and bursting disc safety devices in combination
This part of ISO 4126 specifies only the requirements for a product assembled from the in series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1, ISO 4126-4 and ISO 4126-5, and bursting disc safety devices according to ISO 4126-2 installed upstream of the valve within five pipe diameters of the valve inlet. It specifies the design, application and marking requirements for such products, composed of the bursting disc safety device, a safety valve or CSPRS and, where applicable, a connecting pipe or spool piece. In addition, it gives a method for establishing the combination discharge factor used in sizing combinations.
Status: Under development
ICS: 13.240 Protection against excessive pressure
Fonte: ISO
Collegati
ID 12403 | Update 11 December 2020
Summary of references of harmonised standards published in the Official Journal ...
Ed. 2017
Adopted in all 50 states, the NEC is the benchmark for safe electrical design, installation, and inspection to protect people and property from el...
International Standards in process
List of CD (committee draft) registered; DIS (draft International Standard) circulated, FDIS (final draft International Standard) circulated and St...
Testata editoriale iscritta al n. 22/2024 del registro periodici della cancelleria del Tribunale di Perugia in data 19.11.2024