ISO 4126-3:2020
Current
The latest, up-to-date edition.
Safety devices for protection against excessive pressure Part 3: Safety valves and bursting disc safety devices in combination
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English, French
16-09-2020
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This document 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 41261, ISO 41264 and ISO 41265, and bursting disc safety devices, according to ISO 41262, 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.
| DocumentType |
Standard
|
| Pages |
11
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| UNI EN ISO 4126-3:2021 | Identical |
| I.S. EN ISO 4126-3:2020 | Identical |
| NEN-EN-ISO 4126-3:2021 | Identical |
| NF EN ISO 4126-3:2020 | Identical |
| IS 12370 : Part 3 : 2023 | Identical |
| UNE-EN ISO 4126-3:2021 | Identical |
| ÖNORM EN ISO 4126-3:2021 03 15 | Identical |
| PN-EN ISO 4126-3:2021-02 | Identical |
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